{"title":"Low Stack Headset Parts","description":"Parts for your integrated headset bike. Either to slam it or jailbreak it.","products":[{"product_id":"low-stack-internal-cable-routing-headset-adapter-dustcover-for-vision-fsa-stems-spacers","title":"Low Stack Internal Cable Routing Headset Adapter \/ Dustcover for FSA Stems \u0026 Spacers, Customizable |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou operate a bike with electronic shifting and hydraulic braking and are seeking a lower-stack solution that can get you as low as 4-5mm from the frame. You want to use OEM internals, commonly available stems, and FSA ACR \/ SMR split spacers.\u003c\/p\u003e\n\u003cp\u003eYou are looking for a system that can pass hydraulic couplers or hose nuts through the headset for easier maintenance.\u003c\/p\u003e\n\u003cp\u003eYour bike deviates from the standard dimensions for the FSA or Deda systems, or you are willing to replace your current configuration with a Deda C-Ring. If your bike does have standard dimensions, please see this listing:\u003c\/p\u003e\n\u003cp\u003ehttps:\/\/aprotobike.com\/products\/low-stack-internal-cable-routing-headset-adapter-for-time\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis system must be used with a Deda DCR compression ring (available for purchase via this listing) in the following frame fitments:\u003c\/p\u003e\n\u003cp\u003e1. -4mm recessed bearing \/ 4mm-5mm stack\u003cbr\u003e2. -3\/5mm recessed bearing \/ 5mm stack\u003cbr\u003e3. -2.5mm recessed bearing \/ 6mm stack\u003cbr\u003e4. -2mm recessed bearing \/ 7mm stack\u003cbr\u003e5. flush bearing \/ 8-9mm stack\u003cbr\u003e6. +1mm exposed IS bearing \/ 9mm stack\u003cbr\u003e7. +2mm exposed IS bearing \/ 10-11mm stack\u003c\/p\u003e\n\u003cp\u003eAnd bearing fitments\u003cbr\u003e- A 36-degree version to fit 36x45 ~40mm ID \/ ~52mm OD, 36x36 (e.g., FSA ACR), ~40mm ID \/ ~51mm OD\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e(e.g., Trek Emonda ALR, Trek Domane Gen IV)\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eor ec44\/40 headset bearings\u003cbr\u003e- A 45-degree version to fit 45x45 ~40mm ID \/ ~52mm OD (e.g., Deda DCR) headset bearings\u003c\/p\u003e\n\u003cp\u003eYou can also purchase any of the above items with the 36 or 45 deg Deda compression ring needed to fit your bike \/ headset. If you wish to purchase these on your own from Deda or have them the part numbers are 36 degree: HDCOMPRACR and 45 degree: HDCOMPRDCR\u003c\/p\u003e\n\u003cp\u003ePlease round up the nearest recess measurement for the proper configuration and select a bearing fitment. Feel free to message me regarding additional customization or to clarify fit with your bike.\u003c\/p\u003e\n\u003cp\u003eCustom frame fitments and stack can also be accommodated.\u003c\/p\u003e\n\u003cp\u003eAs depicted in the second image,\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eFSA ACR \/ SMR \u003c\/span\u003esplit spacers can be utilized with the ACR Cover version of this system system. Please note that these are not included.\u003c\/p\u003e\n\u003cp\u003eThe third photo demonstrates that the dust cover is also compatible with the stock FSA adapters, as shown with the SMR adapter. These are also not included.\u003c\/p\u003e\n\u003cp\u003eIf you are ordering the FSA \/ Vision ACR version, you can purchase the following adapters for additional routing options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMy version of these FSA ACR or FSA SMR internal routing adapters that pass hose nuts and hydraulic couplers, those products are listed here: \u003ca href=\"https:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\"\u003ehttps:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLow Stack hose tray kits for partially external use with the FSA \/ Vision SMR stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers%20and%20https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\"\u003ehttps:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers and https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Kalloy Uno stems are available here:  \u003ca href=\"https:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\"\u003ehttps:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Zipp Service Course SL \/ Service Course stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Deda Superbox stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Tavelo Avro bar stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapter kits for the Specialized Tarmac SL7 \/ SL8 stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCustom frame fitments, use of other compression rings, and stack measurements can also be accommodated via the custom option.\u003c\/p\u003e\n\u003cp\u003ePlease message me to discuss options to fit other stems or integrated routing systems.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eThis part must be properly installed and the headset preloaded to manufacturer specifications.\u003c\/p\u003e\n\u003cp\u003eStems, bikes, etc. not included.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced when ordered and have a 4-10 day lead time. Custom orders may take up to 4 weeks depending on the sourcing of parts needed to complete the design. Bulk discounts are available, please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"+2mm Exposed 36 Deg \/ ACR Cover","offer_id":44802463138047,"sku":"ICR_FSA","price":59.99,"currency_code":"USD","in_stock":true},{"title":"+2mm Exposed 36 Deg \/ ACR Cover + 36 CRing","offer_id":44802463170815,"sku":"ICR_FSA","price":71.99,"currency_code":"USD","in_stock":true},{"title":"+2mm Exposed 45 Deg \/ ACR Cover","offer_id":44802463236351,"sku":"ICR_FSA","price":59.99,"currency_code":"USD","in_stock":true},{"title":"+2mm Exposed 45 Deg \/ ACR Cover + 45 CRing","offer_id":44802463301887,"sku":"ICR_FSA","price":71.99,"currency_code":"USD","in_stock":true},{"title":"+1mm Exposed 36 Deg \/ ACR Cover","offer_id":44802463334655,"sku":"ICR_FSA","price":59.99,"currency_code":"USD","in_stock":true},{"title":"+1mm Exposed 36 Deg \/ ACR Cover + 36 CRing","offer_id":44802463367423,"sku":"ICR_FSA","price":71.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 36 Deg \/ ACR Cover","offer_id":44802463432959,"sku":"ICR_FSA","price":59.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 36 Deg \/ ACR Cover + 36 CRing","offer_id":44802463465727,"sku":"ICR_FSA","price":71.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 45 Deg \/ ACR Cover","offer_id":44802463531263,"sku":"ICR_FSA","price":59.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 45 Deg \/ ACR Cover + 45 CRing","offer_id":44802463596799,"sku":"ICR_FSA","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-2mm Recessed 45 Deg \/ ACR Cover","offer_id":44802463629567,"sku":"ICR_FSA","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-2mm Recessed 45 Deg \/ ACR Cover + 45 CRing","offer_id":44802463695103,"sku":"ICR_FSA","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-2.5mm Recessed 36 Deg \/ ACR Cover","offer_id":44802463727871,"sku":"ICR_FSA","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-2.5mm Recessed 36 Deg \/ ACR Cover + 36 CRing","offer_id":44802463760639,"sku":"ICR_FSA","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-2.5mm Recessed 45 Deg \/ ACR Cover","offer_id":44802463826175,"sku":"ICR_FSA","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-2.5mm Recessed 45 Deg \/ ACR Cover + 45 CRing","offer_id":44802463891711,"sku":"ICR_FSA","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-3.5mm Recessed 45 Deg \/ ACR Cover","offer_id":44802463924479,"sku":"ICR_FSA","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-3.5mm Recessed 45 Deg \/ ACR Cover + 45 CRing","offer_id":44802463990015,"sku":"ICR_FSA","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-4mm Recessed 36 Deg \/ ACR Cover","offer_id":44802464022783,"sku":"ICR_FSA","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-4mm Recessed 36 Deg \/ ACR Cover + 36 CRing","offer_id":44802464055551,"sku":"ICR_FSA","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-4mm Recessed 45 Deg \/ ACR Cover","offer_id":44802464121087,"sku":"ICR_FSA","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-4mm Recessed 45 Deg \/ ACR Cover + 45 CRing","offer_id":44802464186623,"sku":"ICR_FSA","price":71.99,"currency_code":"USD","in_stock":true},{"title":"Custom \/ ACR Cover","offer_id":44802464219391,"sku":"ICR_FSA","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Custom \/ ACR Cover + 36 CRing","offer_id":44802464252159,"sku":"ICR_FSA","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Custom \/ ACR Cover + 45 CRing","offer_id":44802464284927,"sku":"ICR_FSA","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/products\/il_fullxfull.5115564295_gjar.jpg?v=1707760789"},{"product_id":"low-stack-direct-fit-internal-cable-routing-headset-adapter-dustcover-for-vision-smr-fsa-smr-stem","title":"Low Stack, Direct Fit, Internal Cable Routing Headset Adapter \/ Dustcover for FSA SMR Stem, Customizable |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou are seeking a lower-stack solution that can get you as low as 4-5mm from the frame and are willing to lose the ability to use spacers. You want to use OEM internals. You are using an FSA \/ Vision SMR or SMR-II stem.\u003c\/p\u003e\n\u003cp\u003eYou are looking for a system that can pass hydraulic couplers or compression nuts through the headset for easier maintenance.\u003c\/p\u003e\n\u003cp\u003eYour bike deviates from the standard dimensions for the FSA or Deda systems, or you are willing to replace your current configuration with a Deda C-Ring. If your bike does have standard dimensions, please see this listing:\u003c\/p\u003e\n\u003cp\u003ehttps:\/\/aprotobike.com\/products\/low-stack-internal-cable-routing-headset-adapter-for-time\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis system consists must be used with a Deda DCR compression ring (available for purchase via this listing) in the following frame fitments:\u003c\/p\u003e\n\u003cp\u003e1. -4mm recessed bearing \/ 6mm stack\u003cbr\u003e2. -3.5mm recessed bearing \/ 6mm stack\u003cbr\u003e3. -2.5mm recessed bearing \/ 6mm stack\u003cbr\u003e4. -2mm recessed bearing \/ 7mm stack\u003cbr\u003e5. flush bearing \/ 8-9mm stack\u003cbr\u003e6. +1mm exposed IS bearing \/ 9mm stack\u003cbr\u003e7. +2mm exposed IS bearing \/ 10-11mm stack\u003c\/p\u003e\n\u003cp\u003eAnd bearing fitments\u003cbr\u003e- A 36-degree version to fit 36x45 ~40mm ID \/ ~52mm OD, 36x36 (e.g., FSA ACR), ~40mm ID \/ ~51mm OD \u003cspan\u003e(e.g., Trek Emonda ALR, Trek Domane Gen IV)\u003c\/span\u003e or ec44\/40 headset bearings\u003cbr\u003e- A 45-degree version to fit 45x45 ~40mm ID \/ ~52mm OD (e.g., Deda DCR) headset bearings\u003c\/p\u003e\n\u003cp\u003eYou can also purchase any of the above items with the 36 or 45 deg Deda compression ring needed to fit your bike \/ headset. If you wish to purchase these on your own from Deda or have them the part numbers are 36 degree: HDCOMPRACR and 45 degree: HDCOMPRDCR.\u003c\/p\u003e\n\u003cp\u003ePlease round up the nearest recess measurement for the proper configuration and select a bearing fitment. Feel free to message me regarding additional customization or to clarify fit with your bike.\u003c\/p\u003e\n\u003cp\u003eCustom frame fitments, use of other compression rings, and stack measurements can also be accommodated via the custom option.\u003c\/p\u003e\n\u003cp\u003ePlease message me to discuss options to fit other stems or integrated routing systems.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed and the headset preloaded to manufacturer specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, etc. not included.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced when ordered and have a 4-10 day lead time. Custom orders may take up to 4 weeks depending on the sourcing of parts needed to complete the design. Bulk discounts are available, please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"+2mm Exposed 36 Deg \/ SMR Cover","offer_id":44802464481535,"sku":"ICR_ SMR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"+2mm Exposed 36 Deg \/ SMR Cover + 36 CRing","offer_id":44802464514303,"sku":"ICR_ SMR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"+2mm Exposed 45 Deg \/ SMR Cover","offer_id":44802464579839,"sku":"ICR_ SMR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"+2mm Exposed 45 Deg \/ SMR Cover + 45 CRing","offer_id":44802464645375,"sku":"ICR_ SMR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"+1mm Exposed 36 Deg \/ SMR Cover","offer_id":44802464678143,"sku":"ICR_ SMR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"+1mm Exposed 36 Deg \/ SMR Cover + 36 CRing","offer_id":44802464710911,"sku":"ICR_ SMR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 36 Deg \/ SMR Cover","offer_id":44802464776447,"sku":"ICR_ SMR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 36 Deg \/ SMR Cover + 36 CRing","offer_id":44802464809215,"sku":"ICR_ SMR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 45 Deg \/ SMR Cover","offer_id":44802464874751,"sku":"ICR_ SMR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 45 Deg \/ SMR Cover + 45 CRing","offer_id":44802464940287,"sku":"ICR_ SMR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-2mm Recessed 45 Deg \/ SMR Cover","offer_id":44802464973055,"sku":"ICR_ SMR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-2mm Recessed 45 Deg \/ SMR Cover + 45 CRing","offer_id":44802465038591,"sku":"ICR_ SMR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-2.5mm Recessed 36 Deg \/ SMR Cover","offer_id":44802465071359,"sku":"ICR_ SMR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-2.5mm Recessed 36 Deg \/ SMR Cover + 36 CRing","offer_id":44802465104127,"sku":"ICR_ SMR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-2.5mm Recessed 45 Deg \/ SMR Cover","offer_id":44802465169663,"sku":"ICR_ SMR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-2.5mm Recessed 45 Deg \/ SMR Cover + 45 CRing","offer_id":44802465235199,"sku":"ICR_ SMR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-3.5mm Recessed 45 Deg \/ SMR Cover","offer_id":44802465267967,"sku":"ICR_ SMR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-3.5mm Recessed 45 Deg \/ SMR Cover + 45 CRing","offer_id":44802465333503,"sku":"ICR_ SMR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-4mm Recessed 36 Deg \/ SMR Cover","offer_id":44802465366271,"sku":"ICR_ SMR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-4mm Recessed 36 Deg \/ SMR Cover + 36 CRing","offer_id":44802465399039,"sku":"ICR_ SMR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-4mm Recessed 45 Deg \/ SMR Cover","offer_id":44802465464575,"sku":"ICR_ SMR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-4mm Recessed 45 Deg \/ SMR Cover + 45 CRing","offer_id":44802465530111,"sku":"ICR_ SMR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"Custom \/ SMR Cover","offer_id":44802465562879,"sku":"ICR_ SMR","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Custom \/ SMR Cover + 36 CRing","offer_id":44802465595647,"sku":"ICR_ SMR","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Custom \/ SMR Cover + 45 CRing","offer_id":44802465628415,"sku":"ICR_ SMR","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20240209_192907435-EDIT.jpg?v=1708405880"},{"product_id":"low-stack-direct-fit-internal-cable-routing-headset-adapter-dustcover-for-fsa-ns-acr-stem","title":"Low Stack, Direct Fit, Internal Cable Routing Headset Adapter \/ Dustcover for FSA NS ACR Stem, Customizable |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou seeking a lower-stack solution that can get you as low as 4-5mm from the frame and are willing to lose the ability to use spacers. You want to use OEM internals. You are using an FSA NS ACR stem.\u003c\/p\u003e\n\u003cp\u003eYou are looking for a system that can pass hydraulic couplers or compression nuts through the headset for easier maintenance.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis system must be used with a Deda DCR compression ring (available for purchase via this listing) in the following frame fitments:\u003c\/p\u003e\n\u003cp\u003e1. -4mm recessed bearing \/ 4-5mm stack\u003cbr\u003e2. -3.5mm recessed bearing \/ 5mm stack\u003cbr\u003e3. -2.5mm recessed bearing \/ 6mm stack\u003cbr\u003e4. -2mm recessed bearing \/ 7mm stack\u003cbr\u003e5. flush bearing \/ 8-9mm stack\u003cbr\u003e6. +1mm exposed IS bearing \/ 9mm stack\u003cbr\u003e7. +2mm exposed IS bearing \/ 10-11mm stack\u003c\/p\u003e\n\u003cp\u003eAnd bearing fitments\u003cbr\u003e- A 36-degree version to fit 36x45 ~40mm ID \/ ~52mm OD, 36x36 (e.g., FSA ACR), ~40mm ID \/ ~51mm OD \u003cspan\u003e(e.g., Trek Emonda ALR, Trek Domane Gen IV)\u003c\/span\u003e or ec44\/40 headset bearings\u003cbr\u003e- A 45-degree version to fit 45x45 ~40mm ID \/ ~52mm OD (e.g., Deda DCR) headset bearings\u003c\/p\u003e\n\u003cp\u003eYou can also purchase any of the above items with the 36 or 45 deg Deda compression ring needed to fit your bike \/ headset. If you wish to purchase these on your own from Deda or have them the part numbers are 36 degree: HDCOMPRACR and 45 degree: HDCOMPRDCR\u003c\/p\u003e\n\u003cp\u003ePlease round up the nearest recess measurement for the proper configuration and select a bearing fitment. Feel free to message me regarding additional customization or to clarify fit with your bike.\u003c\/p\u003e\n\u003cp\u003eCustom frame fitments, use of other compression rings, and stack measurements can also be accommodated via the custom option.\u003c\/p\u003e\n\u003cp\u003ePlease message me to discuss options to fit other stems or integrated routing systems.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed and the headset preloaded to manufacturer specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, etc. not included.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced when ordered and have a 4-10 day lead time. Custom orders may take up to 4 weeks depending on the sourcing of parts needed to complete the design. Bulk discounts are available, please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"+2mm Exposed 36 Deg \/ NS Cover","offer_id":44802470150399,"sku":"ICR_NSACR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"+2mm Exposed 36 Deg \/ NS Cover + 36 CRing","offer_id":44802470183167,"sku":"ICR_NSACR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"+2mm Exposed 45 Deg \/ NS Cover","offer_id":44802470248703,"sku":"ICR_NSACR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"+2mm Exposed 45 Deg \/ NS Cover + 45 CRing","offer_id":44802470314239,"sku":"ICR_NSACR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"+1mm Exposed 36 Deg \/ NS Cover","offer_id":44802470347007,"sku":"ICR_NSACR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"+1mm Exposed 36 Deg \/ NS Cover + 36 CRing","offer_id":44802470379775,"sku":"ICR_NSACR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 36 Deg \/ NS Cover","offer_id":44802470445311,"sku":"ICR_NSACR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 36 Deg \/ NS Cover + 36 CRing","offer_id":44802470478079,"sku":"ICR_NSACR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 45 Deg \/ NS Cover","offer_id":44802470543615,"sku":"ICR_NSACR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 45 Deg \/ NS Cover + 45 CRing","offer_id":44802470609151,"sku":"ICR_NSACR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-2 Recessed 45 Deg \/ NS Cover","offer_id":44802470641919,"sku":"ICR_NSACR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-2 Recessed 45 Deg \/ NS Cover + 45 CRing","offer_id":44802470707455,"sku":"ICR_NSACR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-2.5 Recessed 36 Deg \/ NS Cover","offer_id":44802470740223,"sku":"ICR_NSACR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-2.5 Recessed 36 Deg \/ NS Cover + 36 CRing","offer_id":44802470772991,"sku":"ICR_NSACR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-2.5 Recessed 45 Deg \/ NS Cover","offer_id":44802470838527,"sku":"ICR_NSACR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-2.5 Recessed 45 Deg \/ NS Cover + 45 CRing","offer_id":44802470904063,"sku":"ICR_NSACR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-3.5 Recessed 45 Deg \/ NS Cover","offer_id":44802470936831,"sku":"ICR_NSACR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-3.5 Recessed 45 Deg \/ NS Cover + 45 CRing","offer_id":44802471002367,"sku":"ICR_NSACR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-4 Recessed 36 Deg \/ NS Cover","offer_id":44802471035135,"sku":"ICR_NSACR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-4 Recessed 36 Deg \/ NS Cover + 36 CRing","offer_id":44802471067903,"sku":"ICR_NSACR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"-4 Recessed 45 Deg \/ NS Cover","offer_id":44802471133439,"sku":"ICR_NSACR","price":59.99,"currency_code":"USD","in_stock":true},{"title":"-4 Recessed 45 Deg \/ NS Cover + 45 CRing","offer_id":44802471198975,"sku":"ICR_NSACR","price":71.99,"currency_code":"USD","in_stock":true},{"title":"Custom \/ NS Cover","offer_id":44802471231743,"sku":"ICR_NSACR","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Custom \/ NS Cover + 36 CRing","offer_id":44802471264511,"sku":"ICR_NSACR","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Custom \/ NS Cover + 45 CRing","offer_id":44802471297279,"sku":"ICR_NSACR","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/products\/il_fullxfull.5672487576_q1ju.jpg?v=1707760853"},{"product_id":"kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer","title":"Transition Spacer \/ Adapter | Kalloy Uno Stem to FSA ACR System Internal Routing |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eMade to fit the popular Kalloy Uno 7050 family of stems to FSA ACR and SMR split spacers, these adapters are also designed to pass hydraulic brake nuts for easy maintenance. These are made only for use with electronic drive trains using hydraulic brakes.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability. These are made for the popular Kalloy Uno 7050 family of stems and allow you to run your brake hoses under the stem, then into the headset. The variations are as follows:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e-7 degree Kalloy Uno 7050 stem, 6mm of stack height\u003c\/li\u003e\n\u003cli\u003e-17 degree Kalloy Uno 7050 stem, 7mm of stack height\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFSA ACR split spacers can be utilized with this system. Please note that these are not included. \u003cspan\u003eThis sale is for the adapter only and does not include any stems or other items pictured.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhile SRAM, Shimano, and Jagwire hydraulic hoses were tested with the newest FSA No 55 headset, coated stainless hoses are recommended for the -17 degree version, as the bend is tight.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: \u003cspan\u003eThis item is stocked and usually ships within 2 business days.\u003c\/span\u003e\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"-7 Kalloy Uno","offer_id":44802473165055,"sku":"TS_KAL","price":19.99,"currency_code":"USD","in_stock":true},{"title":"-17 Kalloy Uno","offer_id":44802473197823,"sku":"TS_KAL","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20250819_211805678-EDIT.jpg?v=1755656918"},{"product_id":"smr-stem-low-stack-hose-guide","title":"SMR Stem Low-Stack Hose Guide |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou are using an FSA SMR stem and you want to reduce your stack height without routing the cables through the stem.\u003c\/p\u003e\n\u003cp\u003eNote: This item does not fit the SMR II stem.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis new hose guide system replaces the stock guides that come with FSA's widely-used SMR stem. It includes a 5.5mm adapter and a hose tray.\u003c\/p\u003e\n\u003cp\u003eIt has the following features:\u003cbr\u003e1. Reduces the stack height of the stock stem setup from 18mm to 5.5mm, which is the width of a hydraulic brake hose.\u003cbr\u003e2. Maintains the capacity to accommodate 2 brake hoses and 2 shifter cables.\u003cbr\u003e3. Is compatible with the commonly used FSA ACR split spacers and the FSA ACR headset system.\u003cbr\u003e4. Fits on FSA ACR compatible headset dust covers.\u003c\/p\u003e\n\u003cp\u003eThis sits on top of your FSA ACR \/ SMR compatible dust cover. Depending on your bearing configuration additional stack reduction is possible through use of this compatible product: https:\/\/apbikesbespokebits.etsy.com\/listing\/1504224526\u003c\/p\u003e\n\u003cp\u003ePlease contact me with any questions.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStem is not included and is for photo purposes only.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced when ordered and have a 4-10 day lead time.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"90mm","offer_id":44802473394431,"sku":"SMR_LS_NC","price":49.99,"currency_code":"USD","in_stock":true},{"title":"100mm","offer_id":44802473427199,"sku":"SMR_LS_NC","price":49.99,"currency_code":"USD","in_stock":true},{"title":"110mm","offer_id":44802473459967,"sku":"SMR_LS_NC","price":49.99,"currency_code":"USD","in_stock":true},{"title":"120mm","offer_id":44802473492735,"sku":"SMR_LS_NC","price":49.99,"currency_code":"USD","in_stock":true},{"title":"130mm","offer_id":44802473525503,"sku":"SMR_LS_NC","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/products\/il_fullxfull.5658547726_82t9.jpg?v=1707760887"},{"product_id":"smr-stem-low-stack-hose-guide-for-hydraulic-couplers","title":"SMR Stem Low-Stack Hose Guide for Hydraulic Couplers |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou are using an FSA SMR stem, you have internal cable routing, and are looking to hide a few secrets in your bike like a plug to wire a light or a pair of hydraulic quick connects...so you need a hose guide with a little more volume.\u003c\/p\u003e\n\u003cp\u003eNote: This item does not fit the SMR II stem.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis new hose guide system replaces the stock guides that come with FSA's widely-used SMR stem. It includes a optional 4.5mm spacer in addition to the 5.5mm adapter to allow for more flexibility regarding the placement of those couplers. Use of this spacer does increase the stack height of this system from 5.5mm to 10mm and is recommended for 90mm and 100mm stem lengths.\u003c\/p\u003e\n\u003cp\u003eIt also comes in two end types. Open type, is pictured below showing a 7mm gap to pass hoses and cables at the front of the guide in addition to the two side entries.\u003c\/p\u003e\n\u003cp\u003eWith this purchase, you get a total of 3 pieces.\u003c\/p\u003e\n\u003cp\u003eThis system has the following features:\u003cbr\u003e1. Reduces the stack height of the existing setup from 18mm to as low as 5.5mm, which is the width of a hydraulic brake hose.\u003cbr\u003e2. Maintains the capacity to accommodate 2 brake hoses and 2 shifter cables.\u003cbr\u003e3. Is compatible with the commonly used FSA ACR split spacers and the FSA ACR headset system.\u003cbr\u003e4. Fits on FSA ACR compatible headset dust covers.\u003cbr\u003e5. Enables compatibility with a new configuration of 2 Zeno brand hydraulic quick connect couplers\u003c\/p\u003e\n\u003cp\u003eThis sits on top of your FSA ACR \/ SMR compatible dust cover. Depending on your bearing configuration additional stack reduction is possible through use of this compatible product: https:\/\/apbikesbespokebits.etsy.com\/listing\/1504224526\u003c\/p\u003e\n\u003cp\u003ePlease contact me with any questions.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStem is not included and is for photo purposes only.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced when ordered and have a 4-10 day lead time.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"90mm \/ Open","offer_id":44802473656575,"sku":"SMR_LS_HC","price":69.99,"currency_code":"USD","in_stock":true},{"title":"90mm \/ Aero","offer_id":44802473689343,"sku":"SMR_LS_HC","price":69.99,"currency_code":"USD","in_stock":true},{"title":"100mm \/ Open","offer_id":44802473722111,"sku":"SMR_LS_HC","price":69.99,"currency_code":"USD","in_stock":true},{"title":"100mm \/ Aero","offer_id":44802473754879,"sku":"SMR_LS_HC","price":69.99,"currency_code":"USD","in_stock":true},{"title":"110mm \/ Open","offer_id":44802473787647,"sku":"SMR_LS_HC","price":69.99,"currency_code":"USD","in_stock":true},{"title":"110mm \/ Aero","offer_id":44802473820415,"sku":"SMR_LS_HC","price":69.99,"currency_code":"USD","in_stock":true},{"title":"120mm \/ Open","offer_id":44802473853183,"sku":"SMR_LS_HC","price":69.99,"currency_code":"USD","in_stock":true},{"title":"120mm \/ Aero","offer_id":44802473885951,"sku":"SMR_LS_HC","price":69.99,"currency_code":"USD","in_stock":true},{"title":"130mm \/ Open","offer_id":44802473918719,"sku":"SMR_LS_HC","price":69.99,"currency_code":"USD","in_stock":true},{"title":"130mm \/ Aero","offer_id":44802473951487,"sku":"SMR_LS_HC","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/products\/il_fullxfull.5706468133_te4t.jpg?v=1707760894"},{"product_id":"fsa-ns-acr-or-smr-adapters-transition-spacers","title":"Transition Spacers \/ Adapters | NS ACR, SMR Stems to FSA ACR","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eIf you operate an electronic shifting and hydraulic brake system bike and are looking for replacement adapters for stock stems to interface with the FSA ACR dust cap and split spacers.\u003c\/p\u003e\n\u003cp\u003eThese adapters \/ transition spacers are designed to pass hydraulic hose nuts or the ends of hydraulic quick connects to make maintenance easier.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability. The variations are as follows:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFSA ACR Stem, 5mm of stack height\u003c\/li\u003e\n\u003cli\u003eFSA \/ Vision SMR and SMR II Stem, 5mm of stack height\u003c!----\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFSA ACR split spacers can be used with these spacers. Please note that these are not included.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: \u003cspan\u003eThis item is stocked and usually ships within 2 business days.\u003c\/span\u003e\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"FSA NS ACR","offer_id":44802475622655,"sku":"TS_FSA","price":14.99,"currency_code":"USD","in_stock":true},{"title":"FSA SMR","offer_id":44802475655423,"sku":"TS_FSA","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/products\/il_fullxfull.5655995039_6l89.jpg?v=1707760914"},{"product_id":"low-stack-direct-fit-internal-cable-routing-headset-adapter-for-trek","title":"Low Stack Internal Cable Routing Headset Adapter \/ Dustcover for Trek Emonda ALR \/ Trek Domane Gen 4 |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou are seeking a lower-stack solution (~8 mm - 9 mm) that cleans up the existing through-the-headset cable routing on your Trek Emonda ALR (2023+) or Trek Domane (Gen IV) SL, SLR, RSL, or ALR, while using the parts referenced in the Trek Service Manuals.\u003c\/p\u003e\n\u003cp\u003eYou want to use a FSA \/ Vision, Specialized Tarmac SL7, Kalloy Uno, Enve In-Route or EXS stem \/ barstem on your Trek while keeping the cables neatly tucked away.\u003c\/p\u003e\n\u003cp\u003eThese products are best suited for use with electronic drivetrains. \u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThere are currently SIX versions of this Part.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eThe FSA \/ Vision ACR version allows you to use FSA ACR split spacers or transition spacers for the FSA \/ Vision ACR system.\u003c\/li\u003e\n\u003cli\u003eThe FSA  \/ Vision Direct Fit SMR version will enable you to use the FSA  \/ Vision SMR or SMR-II stems mounted directly and slammed for a low stack height and streamlined look.\u003c\/li\u003e\n\u003cli\u003eThe Enve version is designed only for use with the Enve InRoute system and is compatible with Enve split spacers.\u003c\/li\u003e\n\u003cli\u003eThe EXS version is designed only to work with the EXS one piece barstem. EXS spacers can be used between the headset cover and transition spacer.\u003c\/li\u003e\n\u003cli\u003eThe Tavelo Avro \/ Rise version can be used with the Tavelo Avro Gen-1, Avro Gravel, and Rise handlebars. It can use Tavelo spacers.\u003c\/li\u003e\n\u003cli\u003eThe 2-Hole version only has room for  2 hydraulic hoses. It is also the lowest version that can be used with a standard -17-degree stem. It has a height of 4-5mm and can be used with regular round spacers.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eIn order to work, this part requires the Trek Domane MKIV Headset Split Ring (Part #\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"text-decoration: underline;\"\u003e W5274269). That split ring is listed as the service part for the Emonda ALR in the current service manual, but may not be included with that bike and can be purchased separately from your Trek dealer or via this link:\u003c\/span\u003e https:\/\/www.trekbikes.com\/us\/en_US\/equipment\/cycling-components\/bike-headsets\/trek-domane-mkiv-headset-split-ring\/p\/W5274269\/\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIf you are ordering the FSA \/ Vision ACR version, you can purchase the following adapters for additional routing options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMy version of these FSA ACR or FSA SMR internal routing adapters that pass hose nuts and hydraulic couplers, those products are listed here: \u003ca href=\"https:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\"\u003ehttps:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eLow Stack hose tray kits for partially external use with the FSA \/ Vision SMR stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers%20and%20https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\"\u003ehttps:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers and https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Kalloy Uno stems are available here:  \u003ca href=\"https:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\"\u003ehttps:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Zipp Service Course SL \/ Service Course stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Deda Superbox stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Tavelo Avro bar stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapter kits for the Specialized Tarmac SL7 \/ SL8 stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease message me to discuss options to fit other stems, custom dimensions, custom integration for stems, etc.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed and the headset preloaded to manufacturer specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, Headset Split Ring, etc. not included.\u003c\/p\u003e\n\u003cp\u003ePart is guaranteed to fit. If not, you will either be eligible for refund or remakes until this part fits.\u003c\/p\u003e\n\u003cp\u003eIf you select a custom stem adapter, please message me with details before ordering.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced when ordered and have a 4-10 day lead time. Bulk discounts are available, please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"FSA \/ Vision ACR","offer_id":44949727183103,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision Direct Fit SMR","offer_id":44949727248639,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Enve InRoute","offer_id":46575706341631,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true},{"title":"EXS","offer_id":46650371440895,"sku":"","price":34.99,"currency_code":"USD","in_stock":true},{"title":"Tavelo Avro \/ Rise","offer_id":48481454391551,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"2-hole","offer_id":47189067661567,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20250207_020054559-EDIT.jpg?v=1738897901"},{"product_id":"transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing","title":"Transition Spacer \/ Adapter | Specialized S-Works Tarmac SL7 \/ SL8 stem to FSA ACR System Internal Routing |","description":"\u003ch3\u003e Why do you want it?\u003c\/h3\u003e\n\u003cp\u003eMade to adapt the great looking Specialized Tarmac SL7 \/ SL8 stems to FSA ACR and SMR split spacers, these adapters are also designed to pass hydraulic brake nuts for easy maintenance. These are made only for use with electronic drive trains using hydraulic brakes.\u003c\/p\u003e\n\u003cp\u003eYou are looking for a long and low position. The Tarmac stem is a rather unique part in that it's complex geometry is both low stack (35mm including my transition spacer) and includes additional drop creating one of the lowest hydraulic hose friendly routing systems available. The result is that the -12 degree stems are comparable in height to a traditional -17 degree stem with 40mm of stack.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product consists of three parts.\u003c\/p\u003e\n\u003cp\u003eThe first part is a transition spacer 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability. This is available in both the -6 and -12 degree fitment.\u003c\/p\u003e\n\u003cp\u003eThe second is an top cap spacer that covers top of the spacer allowing for access to the stem bolts and uses a traditional round stem top cap.\u003c\/p\u003e\n\u003cp\u003eThe third piece is a minimalist cable bat designed to hold only 2 hydraulic hoses. Also supplied is either a matching Stainless or Titanium bolt.\u003c\/p\u003e\n\u003cp\u003eThe first photo shows the parts included in this listing. The second photos show use with FSA ACR split spacers and the headset caps available via my other listings. The spacers and headset caps are not included.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. The transition spacer is made made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance. The other two parts are printed in regular PA12 Nylon. Metal hardware is sourced globally.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStem is not included and is for photo purposes only.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced when ordered and have a 4-10 day lead time.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"-6 \/ Stainless Steel","offer_id":44954915143935,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"-6 \/ Titanium","offer_id":44954915176703,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true},{"title":"-12 \/ Stainless Steel","offer_id":44954915209471,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"-12 \/ Titanium","offer_id":44954915242239,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20240319_165318222.jpg?v=1710868711"},{"product_id":"low-stack-internal-cable-routing-headset-adapter-for-cervelo","title":"Low Stack Internal Cable Routing Headset Adapter \/ Dustcover for Cervelo Soloist up to 2027 \/ 2022+ R5 \/ Aspero-5 \/ 2024+ Aspero,  to FSA and Enve |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou are seeking a lower-stack solution that will clean up the internal cable routing on your Cervelo road or gravel bike and allow you to use other stems. \u003c\/p\u003e\n\u003cp\u003eYou want to use an FSA \/ Vision, Enve In-Route, Specialized Tarmac SL7, Kalloy Uno, or other stem on your Cervelo while keeping the cables inside. You are comfortable running the C-shaped steerer inside a round stem (e.g., like Jumbo Visma). \u003c\/p\u003e\n\u003cp\u003eAProto Bike is NOT responsible for any issues or failures that may occur from running this setup. You are responsible for checking for the latest information from Cervelo, and their advice supersedes mine.\u003c\/p\u003e\n\u003cp\u003eThis part is only compatible with electronic drivetrains.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThere are three versions of this Part:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eFSA \/ Vision ACR version allows you to use FSA ACR split spacers or transition spacers for the FSA \/ Vision ACR system with the Cervelo bikes. This part has a height as measured from the frame of ~5mm.\u003c\/li\u003e\n\u003cli\u003eEnve: ST312 version is designed only for use with the Enve In-Route system and is shaped to work with the SR-312 compression ring used on the 2022-2025 R5 and prior to 2025 Aspero-5. This part has a height as measured from the frame of ~10mm.\u003c\/li\u003e\n\u003cli\u003eEnve: STA version is designed only for use with the Enve In-Route system and is shaped to work with the SR-STA compression ring used on the Soloist, 2024+ Aspero, and  2026+ R5. This part has a height as measured from the frame of ~5mm.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eIf you are ordering the FSA \/ Vision ACR version, you can purchase the following adapters for additional routing options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMy version of these FSA ACR or FSA SMR internal routing adapters that pass hose nuts and hydraulic couplers, those products are listed here: \u003ca href=\"https:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\"\u003ehttps:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLow Stack hose tray kits for partially external use with the FSA \/ Vision SMR stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers%20and%20https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\"\u003ehttps:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers and https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Kalloy Uno stems are available here:  \u003ca href=\"https:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\"\u003ehttps:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Zipp Service Course SL \/ Service Course stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Deda Superbox stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Tavelo Avro bar stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapter kits for the Specialized Tarmac SL7 \/ SL8 stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease message me to discuss options to fit other stems, custom dimensions, custom integration for stems, etc.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed and the headset preloaded to manufacturer specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, Headset Split Ring, etc. not included.\u003c\/p\u003e\n\u003cp\u003ePart is guaranteed to fit. If not, you will either be eligible for refund or remakes until this part fits.\u003c\/p\u003e\n\u003cp\u003eIf you select a custom stem adapter, please message me with details before ordering.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced when ordered and have a 4-10 day lead time. Bulk discounts are available, please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"FSA \/ Vision ACR","offer_id":46065372791039,"sku":"","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Enve: ST312","offer_id":46141965762815,"sku":"","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Enve: STA","offer_id":46570473062655,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20240706_151046349.jpg?v=1724105770"},{"product_id":"low-stack-direct-fit-internal-cable-routing-headset-adapter-dustcover-for-enve","title":"Low Stack, Internal Cable Routing Headset Adapter \/ Dustcover for Enve In-Route, Customizable |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou are looking to fit an Enve In-Route stem or handlebar to your bike, but need an adapter for your frame that uses a different internal routing system. \u003c\/p\u003e\n\u003cp\u003eThis part is only compatible with electronic drivetrains.\u003c\/p\u003e\n\u003cp\u003eYour bike deviates from the standard dimensions for the FSA or Deda systems, or you are willing to replace your current configuration with a Deda C-Ring. If your bike does have standard dimensions, please see this listing:\u003c\/p\u003e\n\u003cp\u003ehttps:\/\/aprotobike.com\/products\/low-stack-internal-cable-routing-headset-adapter-for-time\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis system must be used with a Deda DCR compression ring (available for purchase via this listing) in the following frame fitments:\u003c\/p\u003e\n\u003cp\u003e1. -4mm recessed bearing \/ 4-5mm stack\u003cbr\u003e2. -3.5mm recessed bearing \/ 5mm stack\u003cbr\u003e3. -2.5mm recessed bearing \/ 6mm stack\u003cbr\u003e4. -2mm recessed bearing \/ 7mm stack\u003cbr\u003e5. flush bearing \/ 8-9mm stack\u003cbr\u003e6. +1mm exposed IS bearing \/ 9mm stack\u003cbr\u003e7. +2mm exposed IS bearing \/ 10-11mm stack\u003c\/p\u003e\n\u003cp\u003eAnd bearing fitments\u003cbr\u003e- A 36-degree version to fit 36x45 ~40mm ID \/ ~52mm OD, 36x36 (e.g., FSA ACR), ~40mm ID \/ ~51mm OD \u003cspan\u003e(e.g., Trek Emonda ALR, Trek Domane Gen IV)\u003c\/span\u003e or ec44\/40 headset bearings\u003cbr\u003e- A 45-degree version to fit 45x45 ~40mm ID \/ ~52mm OD (e.g., Deda DCR) headset bearings\u003c\/p\u003e\n\u003cp\u003eYou can also purchase any of the above items with the 36 or 45 deg Deda compression ring needed to fit your bike \/ headset. If you wish to purchase these on your own from Deda or have them the part numbers are 36 degree: HDCOMPRACR and 45 degree: HDCOMPRDCR\u003c\/p\u003e\n\u003cp\u003ePlease round up the nearest recess measurement for the proper configuration and select a bearing fitment. Feel free to message me regarding additional customization or to clarify fit with your bike.\u003c\/p\u003e\n\u003cp\u003eCustom frame fitments, use of other compression rings, and stack measurements can also be accommodated via the custom option.\u003c\/p\u003e\n\u003cp\u003ePlease message me to discuss options to fit other stems or integrated routing systems.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed, and the headset must be preloaded to manufacturer specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, etc. not included.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced when ordered and have a 4-10 day lead time. Custom orders may take up to 4 weeks, depending on the sourcing of parts needed to complete the design. Bulk discounts are available, please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"+2mm Exposed 36 Deg \/ Cover","offer_id":46065388159231,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"+2mm Exposed 36 Deg \/ Cover + 36 CRing","offer_id":46065388191999,"sku":null,"price":71.99,"currency_code":"USD","in_stock":true},{"title":"+2mm Exposed 45 Deg \/ Cover","offer_id":46065388224767,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"+2mm Exposed 45 Deg \/ Cover + 45 CRing","offer_id":46065388257535,"sku":null,"price":71.99,"currency_code":"USD","in_stock":true},{"title":"+1mm Exposed 36 Deg \/ Cover","offer_id":46065388290303,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"+1mm Exposed 36 Deg \/ Cover + 36 CRing","offer_id":46065388323071,"sku":null,"price":71.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 36 Deg \/ Cover","offer_id":46065388355839,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 36 Deg \/ Cover + 36 CRing","offer_id":46065388388607,"sku":null,"price":71.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 45 Deg \/ Cover","offer_id":46065388421375,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"0mm Flush 45 Deg \/ Cover + 45 CRing","offer_id":46065388454143,"sku":null,"price":71.99,"currency_code":"USD","in_stock":true},{"title":"-2mm Recessed 45 Deg \/ Cover","offer_id":46065388486911,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"-2mm Recessed 45 Deg \/ Cover + 45 CRing","offer_id":46065388519679,"sku":null,"price":71.99,"currency_code":"USD","in_stock":true},{"title":"-2.5mm Recessed 36 Deg \/ Cover","offer_id":46065388552447,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"-2.5mm Recessed 36 Deg \/ Cover + 36 CRing","offer_id":46065388585215,"sku":null,"price":71.99,"currency_code":"USD","in_stock":true},{"title":"-2.5mm Recessed 45 Deg \/ Cover","offer_id":46065388617983,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"-2.5mm Recessed 45 Deg \/ Cover + 45 CRing","offer_id":46065388650751,"sku":null,"price":71.99,"currency_code":"USD","in_stock":true},{"title":"-3.5mm Recessed 45 Deg \/ Cover","offer_id":46065388683519,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"-3.5mm Recessed 45 Deg \/ Cover + 45 CRing","offer_id":46065388716287,"sku":null,"price":71.99,"currency_code":"USD","in_stock":true},{"title":"-4mm Recessed 36 Deg \/ Cover","offer_id":46065388749055,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"-4mm Recessed 36 Deg \/ Cover + 36 CRing","offer_id":46065388781823,"sku":null,"price":71.99,"currency_code":"USD","in_stock":true},{"title":"-4mm Recessed 45 Deg \/ Cover","offer_id":46065388814591,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"-4mm Recessed 45 Deg \/ Cover + 45 CRing","offer_id":46065388847359,"sku":null,"price":71.99,"currency_code":"USD","in_stock":true},{"title":"Custom \/ Cover","offer_id":46065388880127,"sku":null,"price":89.99,"currency_code":"USD","in_stock":true},{"title":"Custom \/ Cover + 36 CRing","offer_id":46065388912895,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true},{"title":"Custom \/ Cover + 45 CRing","offer_id":46065388945663,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20240706_150948138_1e73e860-1fc4-47c8-be1d-0c35e30ae2e4.jpg?v=1724106184"},{"product_id":"cervelo-zht-zhs-to-fsa-acr-internal-routing-adapter","title":"Cervelo ZHT-5 \/ ZFS-5 to FSA ICR \/ ACR internal routing headset Adapter \/ Dustcover |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou have a Cervelo ZHT-5 or ZFS-5 mountain bike and want to use an FSA ICR \/ ACR-compatible integrated bar stem or stem to hide a few cables.\u003c\/p\u003e\n\u003cp\u003eYou can make the bike fit with a spacer under the stem you plan on using.\u003c\/p\u003e\n\u003cp\u003eThe +5mm version can only hide 2 hoses or fully-housed cables. The +10mm can hide up to 4, but this is a tight fit.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis replacement headset cover fits the Cervelo split ring has shown in the photos (split ring NOT included) and is a direct replacement for the stock headset cover.\u003c\/p\u003e\n\u003cp\u003eThere are two versions of this Part. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e17 mm, replicates the stock headset cover + a 10mm spacer, for a total height from the frame of 17mm\u003c\/li\u003e\n\u003cli\u003e12mm, replicates the stock headset cover + a 5mm spacer, for a total height from the frame of 12mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe additional space is required to make room inside the spacer for hoses and cables to bend.\u003c\/p\u003e\n\u003cp\u003ePlease message me to discuss options for fitting other stems, custom dimensions, and custom integration for stems, etc.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed and the headset preloaded to manufacturer specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, Headset Split Ring, etc. not included.\u003c\/p\u003e\n\u003cp\u003ePart is guaranteed to fit. If not, you will either be eligible for refund or remakes until this part fits.\u003c\/p\u003e\n\u003cp\u003eIf you select the custom option, please message me with details before ordering.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced when ordered and have a 4-10 day lead time. Custom orders may take up to 4 weeks depending on the sourcing of parts needed to complete the design. Bulk discounts are available, please message \/ email for more information.\u003c\/p\u003e\n\u003cp\u003eThe blue split ring is shown for reference only and is NOT INCLUDED.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"17mm","offer_id":46205941416191,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"12mm","offer_id":46205941448959,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"Custom","offer_id":46206077010175,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20240321_221536500.jpg?v=1728170068"},{"product_id":"transition-spacers-adapters-for-fsa-enve-in-route","title":"Transition Spacers \/ Adapters | Enve In-Route to FSA ACR","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eIf you operate an electronic shifting and hydraulic brake system bike and are looking for replacement adapters to use the Enve In-Route stem or bar stem with the FSA ACR (or SMR) headset cover and split spacers.\u003c\/p\u003e\n\u003cp\u003eThese adapters \/ transition spacers are designed to pass hydraulic hose nuts or the ends of hydraulic quick connects to make maintenance easier.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability. The specification is follows:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnve In Route Stem, 5mm of stack height\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFSA ACR split spacers and Enve Spacers can be utilized with the Enve option. Please note that these are not included.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: \u003cspan\u003eThis item is stocked and usually ships within 2 business days.\u003c\/span\u003e\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"Enve In-Route","offer_id":46570487578879,"sku":"","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20240706_151015536.jpg?v=1724106448"},{"product_id":"low-stack-internal-cable-routing-headset-adapter-for-time","title":"Low Stack Internal Cable Routing Adapter \/ Dustcover for Time, De Rosa, etc. w\/ standard FSA ACR headsets |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou seeking a lower-stack solution (~4mm-6mm) for your Time (2025+ ADHX \/ ADHX 45 \/ Alpe D'Huez, Scylon), De Rosa (Merak, Idol, 838, Spider), or other bikes that are using a standard FSA ACR headset.\u003c\/p\u003e\n\u003cp\u003eThese adapters may also fit other bikes that use standard-dimensioned FSA ACR \/ SMR internal routing headsets with a ~56 mm OD headtube. They work best with electronic drivetrains.\u003c\/p\u003e\n\u003cp\u003eYou want to use an FSA \/ Vision, S-Works Tarmac, Kalloy Uno, Enve In-Route, or other stem while keeping the cables neatly tucked away.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis set of parts is modified from my general headset collection to have a 55.8mm OD to match the 56mm OD headtubes used by these bikes. \u003c\/p\u003e\n\u003cp\u003eYou can verify this fitment by measuring your bike with the bearing removed along the inside of the head tube. It should measure around 8.7mm from the top edge of the frame to bearing the seat. Alternatively, you can message us to confirm fitment.\u003c\/p\u003e\n\u003cp\u003eThere are currently TEN versions of this Part.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eThe FSA \/ Vision ACR version allows you to use FSA ACR split spacers or transition spacers for the FSA \/ Vision ACR system. This design has a height of 4-5mm.\u003c\/li\u003e\n\u003cli\u003eThe FSA  \/ Vision Direct Fit SMR version will enable you to use the FSA  \/ Vision SMR and SMR-II stems mounted directly and slammed for a low stack height and streamlined look. This design has a height of 6mm.\u003c\/li\u003e\n\u003cli\u003eThe Enve version is designed only for use with the Enve InRoute system. This design features a height of 4-5mm and is compatible with Enve split spacers.\u003c\/li\u003e\n\u003cli\u003eThe EXS version is designed only for use with the EXS barstem. This design features a height of 6mm and is designed to fit under the transition spacer supplied with the bar. EXS spacers can be used between the headset cover and transition spacer.\u003c\/li\u003e\n\u003cli\u003eThe Tavelo Avro \/ Rise version can be used with the Tavelo Avro Gen-1, Avro Gravel, and Rise handlebars. The stack is comparable to our other covers at ~5mm. It can use Tavelo spacers.\u003c\/li\u003e\n\u003cli\u003eThe 2-Hole version only has room for 2 hydraulic hoses. It is also the lowest version that can be used with a standard-17-degree stem. It has a height of 4-5mm and can be used with regular round spacers.\u003c\/li\u003e\n\u003cli\u003eThe Kalloy -17 version is designed to provide clean integration with the Kalloy Uno 7050 -17 degree stem. It has room for 2 hydro hoses and a di2 cable. It has a height of 7-8mm and cannot take additional spacers. NOTE: The hose bend with this product is very tight and does not work well with all hoses. Stainless hoses are recommended\u003c\/li\u003e\n\u003cli\u003eThe Kalloy -7 version is designed to provide clean integration with the Kalloy Uno 7050 -17 degree stem. It has room for 2 hydro hoses and a di2 cable. It has a height of 7-8mm and cannot take additional spacers.\u003c\/li\u003e\n\u003cli\u003eS-Works -12 version is designed to provide clean integration with the S Works Tarmac -12 degree stem. It has room for 2 hydro hoses and a di2 cable. It has a height of 6-7mm and cannot take additional spacers. It includes a Ti bolt, a cable bat for 2 hoses, and an aero stem cover as pictured.\u003c\/li\u003e\n\u003cli\u003eS-Works -6 version is designed to provide clean integration with the S Works Tarmac -6 degree stem. It has room for 2 hydro hoses and a di2 cable. It has a height of 6-7mm and cannot take additional spacers. It includes a Ti bolt, a cable bat for 2 hoses and an aero stem cover as pictured.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eIf you are ordering the FSA \/ Vision ACR version, you can purchase the following adapters for additional routing options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMy version of these FSA ACR or FSA SMR internal routing adapters that pass hose nuts and hydraulic couplers, those products are listed here: \u003ca href=\"https:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\"\u003ehttps:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLow Stack hose tray kits for partially external use with the FSA \/ Vision SMR stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers%20and%20https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\"\u003ehttps:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers and https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Kalloy Uno stems are available here:  \u003ca href=\"https:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\"\u003ehttps:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Zipp Service Course SL \/ Service Course stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Deda Superbox stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Tavelo Avro bar stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapter kits for the Specialized Tarmac SL7 \/ SL8 stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease message me to discuss options for fitting other stems, custom dimensions, and custom integration for stems, etc.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed and the headset preloaded to manufacturer specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, Headset Split Ring, etc. not included unless otherwise specified.\u003c\/p\u003e\n\u003cp\u003ePart is guaranteed to fit. If not, you will either be eligible for refund or remakes until this part fits.\u003c\/p\u003e\n\u003cp\u003eIf you select a custom stem adapter, please message me with details before ordering.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced upon order and have a lead time of 4-10 days. Bulk discounts are available. Please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"FSA \/ Vision ACR \/ FSA ACR (No. 55 Std \/ Silver Compression Ring H2474)","offer_id":46631675232511,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision ACR \/ FSA ACR (No. 69\/ Black Compression Ring H2630A)","offer_id":46736090464511,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision ACR \/ FSA ACR (No. 55 LS \/ Black Compression Ring H2630A)","offer_id":47528608923903,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision Direct Fit SMR \/ FSA ACR (No. 55 Std \/ Silver Compression Ring H2474)","offer_id":46631675265279,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision Direct Fit SMR \/ FSA ACR (No. 69\/ Black Compression Ring H2630A)","offer_id":46736090497279,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision Direct Fit SMR \/ FSA ACR (No. 55 LS \/ Black Compression Ring H2630A)","offer_id":47528608956671,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Enve InRoute \/ FSA ACR (No. 55 Std \/ Silver Compression Ring H2474)","offer_id":46631675298047,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"Enve InRoute \/ FSA ACR (No. 69\/ Black Compression Ring H2630A)","offer_id":46736090530047,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"Enve InRoute \/ FSA ACR (No. 55 LS \/ Black Compression Ring H2630A)","offer_id":47528608989439,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"EXS \/ FSA ACR (No. 55 Std \/ Silver Compression Ring H2474)","offer_id":46831388950783,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"EXS \/ FSA ACR (No. 69\/ Black Compression Ring H2630A)","offer_id":46831388983551,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"EXS \/ FSA ACR (No. 55 LS \/ Black Compression Ring H2630A)","offer_id":47528609022207,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Tavelo Avro \/ Rise \/ FSA ACR (No. 55 Std \/ Silver Compression Ring H2474)","offer_id":48481485684991,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"Tavelo Avro \/ Rise \/ FSA ACR (No. 69\/ Black Compression Ring H2630A)","offer_id":48481485717759,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"Tavelo Avro \/ Rise \/ FSA ACR (No. 55 LS \/ Black Compression Ring H2630A)","offer_id":48481485750527,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"2 Hole \/ FSA ACR (No. 55 Std \/ Silver Compression Ring H2474)","offer_id":47101556654335,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"2 Hole \/ FSA ACR (No. 69\/ Black Compression Ring H2630A)","offer_id":47101556687103,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"2 Hole \/ FSA ACR (No. 55 LS \/ Black Compression Ring H2630A)","offer_id":47528609054975,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"Kalloy Uno -17 Degree \/ FSA ACR (No. 55 Std \/ Silver Compression Ring H2474)","offer_id":47101556752639,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Kalloy Uno -17 Degree \/ FSA ACR (No. 69\/ Black Compression Ring H2630A)","offer_id":47101556785407,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Kalloy Uno -17 Degree \/ FSA ACR (No. 55 LS \/ Black Compression Ring H2630A)","offer_id":47528609087743,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Kalloy Uno -7 Degree \/ FSA ACR (No. 55 Std \/ Silver Compression Ring H2474)","offer_id":47101566812415,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Kalloy Uno -7 Degree \/ FSA ACR (No. 69\/ Black Compression Ring H2630A)","offer_id":47101566845183,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Kalloy Uno -7 Degree \/ FSA ACR (No. 55 LS \/ Black Compression Ring H2630A)","offer_id":47528609120511,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"S-Works -12 \/ FSA ACR (No. 55 Std \/ Silver Compression Ring H2474)","offer_id":47101588963583,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"S-Works -12 \/ FSA ACR (No. 69\/ Black Compression Ring H2630A)","offer_id":47101588996351,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"S-Works -12 \/ FSA ACR (No. 55 LS \/ Black Compression Ring H2630A)","offer_id":47528609153279,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"S-Works -6 \/ FSA ACR (No. 55 Std \/ Silver Compression Ring H2474)","offer_id":47101589061887,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"S-Works -6 \/ FSA ACR (No. 69\/ Black Compression Ring H2630A)","offer_id":47101589094655,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"S-Works -6 \/ FSA ACR (No. 55 LS \/ Black Compression Ring H2630A)","offer_id":47528609186047,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20250207_012707953-EDIT.jpg?v=1767132589"},{"product_id":"transition-spacers-adapters-fsa-to-exs","title":"Transition Spacers \/ Adapters | EXS to FSA ACR","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eIf you operate an electronic shifting and hydraulic brake system bike and are looking for adapters to use the EXS bar stem with the FSA ACR (or SMR) headset cover and split spacers.\u003c\/p\u003e\n\u003cp\u003eThese adapters \/ transition spacers are designed to pass hydraulic hose nuts or the ends of hydraulic quick connects to make maintenance easier. This product only fits 1 1\/8 steerers and does not work with 1 1\/4.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability. The specification is follows:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEXS bar stem, 5mm of stack height\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFSA ACR split spacers and EXS Spacers can be utilized with this product. Please note that these are not included.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced when ordered and have a 4-10 day lead time.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"EXS","offer_id":46650374750463,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20250303_172220370.jpg?v=1741026588"},{"product_id":"low-stack-internal-cable-routing-adapter-for-time-standert-etc-w-standard-deda-dcr-headsets","title":"Low Stack Internal Cable Routing Headset Adapter \/ Dustcover for Time, Standert, etc. w\/ standard Deda DCR headsets |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou seeking a lower-stack solution (~4mm-6mm) for your Time (pre 2025 ADHX \/ ADHX ) or pre-2025 Standert Bikes that use marked Deda DCR headsets.\u003c\/p\u003e\n\u003cp\u003eThese adapters may also fit other bikes that use standard-dimensioned Deda DCR internal routing headsets with a ~56 mm OD headtube. They work best with electronic drivetrains.\u003c\/p\u003e\n\u003cp\u003eYou want to use an FSA \/ Vision, S-Works Tarmac, Kalloy Uno, Enve In-Route, or other stem while keeping the cables neatly tucked away.\u003c\/p\u003e\n\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou are seeking a lower-stack solution (~4mm-6mm) for your Time (pre 2025 ADHX \/ ADHX ) or pre-2025 Standert Bikes that use marked Deda DCR headsets. These adapters may also fit other bikes that use standard-sized Deda DCR internal routing headsets with a ~56 mm OD head tube. They work best with electronic drivetrains.\u003c\/p\u003e\n\u003cp\u003eYou want to use an FSA \/ Vision, S-Works Tarmac, Kalloy Uno, Enve In-Route, or other stem while keeping the cables neatly tucked away.\u003c\/p\u003e\n\u003cp\u003ePlease get in touch with us if your bike isn't listed or if you want a custom solution. We likely can help.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis set of parts is modified from my general headset collection to have a 55.8mm OD to match the 56mm OD headtubes used by these bikes. \u003c\/p\u003e\n\u003cp\u003eYou can verify this fitment by measuring your bike with the bearing removed along the inside of the head tube. It should measure around 8.7mm from the top edge of the frame to bearing the seat. Alternatively, you can message us to confirm fitment.\u003c\/p\u003e\n\u003cp\u003eThere are currently TEN versions of this Part.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eThe FSA \/ Vision ACR version allows you to use FSA ACR split spacers or transition spacers for the FSA \/ Vision ACR system. This design has a height of 4-5mm.\u003c\/li\u003e\n\u003cli\u003eThe FSA  \/ Vision Direct Fit SMR version will enable you to use the FSA  \/ Vision SMR and SMR-II stems mounted directly and slammed for a low stack height and streamlined look. This design has a height of 6mm.\u003c\/li\u003e\n\u003cli\u003eThe Enve version is designed only for use with the Enve InRoute system. This design features a height of 4-5mm and is compatible with Enve split spacers.\u003c\/li\u003e\n\u003cli\u003eThe EXS version is designed only for use with the EXS barstem. This design features a height of 6mm and is designed to fit under the transition spacer supplied with the bar. EXS spacers can be used between the headset cover and transition spacer.\u003c\/li\u003e\n\u003cli\u003eThe Tavelo Avro \/ Rise version can be used with the Tavelo Avro Gen-1, Avro Gravel, and Rise handlebars. The stack is comparable to our other covers at ~5mm. It can use Tavelo spacers.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe 2-Hole version only has room for 2 hydraulic hoses. It is also the lowest version that can be used with a standard-17-degree stem. It has a height of 4-5mm and can be used with regular round spacers.\u003c\/li\u003e\n\u003cli\u003eThe Kalloy -17 version is designed to provide clean integration with the Kalloy Uno 7050 -17 degree stem. It has room for 2 hydro hoses and a di2 cable. It has a height of 7-8mm and cannot take additional spacers. NOTE: The hose bend with this product is very tight and does not work well with all hoses. Stainless hoses are recommended\u003c\/li\u003e\n\u003cli\u003eThe Kalloy -7 version is designed to provide clean integration with the Kalloy Uno 7050 -17 degree stem. It has room for 2 hydro hoses and a di2 cable. It has a height of 7-8mm and cannot take additional spacers.\u003c\/li\u003e\n\u003cli\u003eS-Works -12 version is designed to provide clean integration with the S Works Tarmac -12 degree stem. It has room for 2 hydro hoses and a di2 cable. It has a height of 6-7mm and cannot take additional spacers. It includes a Ti bolt, a cable bat for 2 hoses, and an aero stem cover as pictured.\u003c\/li\u003e\n\u003cli\u003eS-Works -6 version is designed to provide clean integration with the S Works Tarmac -6 degree stem. It has room for 2 hydro hoses and a di2 cable. It has a height of 6-7mm and cannot take additional spacers. It includes a Ti bolt, a cable bat for 2 hoses and an aero stem cover as pictured.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eIf you are ordering the FSA \/ Vision ACR version, you can purchase the following adapters for additional routing options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMy version of these FSA ACR or FSA SMR internal routing adapters that pass hose nuts and hydraulic couplers, those products are listed here: \u003ca href=\"https:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\"\u003ehttps:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLow Stack hose tray kits for partially external use with the FSA \/ Vision SMR stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers%20and%20https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\"\u003ehttps:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers and https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Kalloy Uno stems are available here:  \u003ca href=\"https:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\"\u003ehttps:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Zipp Service Course SL \/ Service Course stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Deda Superbox stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Tavelo Avro bar stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapter kits for the Specialized Tarmac SL7 \/ SL8 stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease message me to discuss options for fitting other stems, custom dimensions, and custom integration for stems, etc.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and, in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM-level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed and the headset preloaded to the manufacturer's specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, Headset Split Ring, etc., not included unless otherwise specified.\u003c\/p\u003e\n\u003cp\u003eThe part is guaranteed to fit. If not, you will either be eligible for a refund or remakes until this part fits.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced upon order and have a lead time of 4-10 days. Bulk discounts are available. Please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"FSA \/ Vision ACR \/ Deda DCR (45 deg w\/ black C ring)","offer_id":47528154333439,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision ACR \/ Deda ACR (36 deg w\/ grey C ring)","offer_id":47528181104895,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision ACR \/ Deda for Merida or Standert","offer_id":47528181137663,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision Direct Fit SMR \/ Deda DCR (45 deg w\/ black C ring)","offer_id":47528154431743,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision Direct Fit SMR \/ Deda ACR (36 deg w\/ grey C ring)","offer_id":47528181170431,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision Direct Fit SMR \/ Deda for Merida or Standert","offer_id":47528181203199,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Enve InRoute \/ Deda DCR (45 deg w\/ black C ring)","offer_id":47528154530047,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"Enve InRoute \/ Deda ACR (36 deg w\/ grey C ring)","offer_id":47528181235967,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"Enve InRoute \/ Deda for Merida or Standert","offer_id":47528181268735,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"EXS \/ Deda DCR (45 deg w\/ black C ring)","offer_id":47528154628351,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"EXS \/ Deda ACR (36 deg w\/ grey C ring)","offer_id":47528181301503,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"EXS \/ Deda for Merida or Standert","offer_id":47528181334271,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Tavelo Avro \/ Rise \/ Deda DCR (45 deg w\/ black C ring)","offer_id":48481502396671,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"Tavelo Avro \/ Rise \/ Deda ACR (36 deg w\/ grey C ring)","offer_id":48481502429439,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"Tavelo Avro \/ Rise \/ Deda for Merida or Standert","offer_id":48481502462207,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"2 Hole \/ Deda DCR (45 deg w\/ black C ring)","offer_id":47528154726655,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"2 Hole \/ Deda ACR (36 deg w\/ grey C ring)","offer_id":47528181367039,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"2 Hole \/ Deda for Merida or Standert","offer_id":47528181399807,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"Kalloy Uno -17 Degree \/ Deda DCR (45 deg w\/ black C ring)","offer_id":47528154824959,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Kalloy Uno -17 Degree \/ Deda ACR (36 deg w\/ grey C ring)","offer_id":47528181432575,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Kalloy Uno -17 Degree \/ Deda for Merida or Standert","offer_id":47528181465343,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Kalloy Uno -7 Degree \/ Deda DCR (45 deg w\/ black C ring)","offer_id":47528154923263,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Kalloy Uno -7 Degree \/ Deda ACR (36 deg w\/ grey C ring)","offer_id":47528181498111,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Kalloy Uno -7 Degree \/ Deda for Merida or Standert","offer_id":47528181530879,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"S-Works -12 \/ Deda DCR (45 deg w\/ black C ring)","offer_id":47528155021567,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"S-Works -12 \/ Deda ACR (36 deg w\/ grey C ring)","offer_id":47528181563647,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"S-Works -12 \/ Deda for Merida or Standert","offer_id":47528181596415,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"S-Works -6 \/ Deda DCR (45 deg w\/ black C ring)","offer_id":47528155119871,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"S-Works -6 \/ Deda ACR (36 deg w\/ grey C ring)","offer_id":47528181629183,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"S-Works -6 \/ Deda for Merida or Standert","offer_id":47528181661951,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20250207_012707953-EDIT.jpg?v=1767132589"},{"product_id":"low-stack-internal-cable-routing-adapter-for-haro-ventum-enve-standert-etc-with-standard-inroute-or-token-cablebox-headsets","title":"Low Stack Internal Cable Routing Headset Adapter \/ Dustcover for Haro, Ventum, Standert, etc. with standard InRoute or Token Cablebox headsets |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou are seeking a lower-stack solution (~4mm-6mm) for your Haro, Ventum, or Standert (2025+) that use InRoute or Token Cablebox headsets.\u003c\/p\u003e\n\u003cp\u003eThese adapters may also fit other bikes that use standard-dimensioned Token internal routing headsets with a ~56 mm OD headtube. They work best with electronic drivetrains.\u003c\/p\u003e\n\u003cp\u003eYou want to use an FSA \/ Vision, S-Works Tarmac, Kalloy Uno, Enve In-Route, or other stem while keeping the cables neatly tucked away.\u003c\/p\u003e\n\u003cp\u003ePlease get in touch with us if your bike isn't listed or if you want a custom solution. We likely can help.\u003c\/p\u003e\n\u003cp\u003ePlease note that the Haro spacer is designed to mimic the appearance of the Haro item, but Ventum spacer replaces their round item and does not offer the same flush transition that the one intended for the CR2, CR5 cockpit.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis set of parts is modified from my general headset collection to have a 55.8mm OD to match the 56mm OD headtubes used by these bikes. \u003c\/p\u003e\n\u003cp\u003eYou can verify this fitment by measuring your bike with the bearing removed along the inside of the head tube. It should measure around 8.7mm from the top edge of the frame to the bearing seat. Alternatively, you can message us to confirm fitment.\u003c\/p\u003e\n\u003cp\u003eWhen installing, please note that you may reuse the rubber gasket on your current headset cover. Gently remove it from the old cover and press it into the underside of the new cover\/adapter.\u003c\/p\u003e\n\u003cp\u003eThere are currently FIVE versions of this part, each of which can be ordered as a round headset cover or one that fits the countersunk headtube of the Haro Rivette road bike.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eThe FSA \/ Vision ACR version allows you to use FSA ACR split spacers or transition spacers for the FSA \/ Vision ACR system. This design has a height of 5mm.\u003c\/li\u003e\n\u003cli\u003eThe FSA  \/ Vision Direct Fit SMR version will enable you to use the FSA  \/ Vision SMR and SMR-II stems mounted directly and slammed for a low stack height and streamlined look. This design has a height of 6mm.\u003c\/li\u003e\n\u003cli\u003eThe Enve version is designed only for use with the Enve InRoute system. This design features a height of 5mm and is compatible with Enve split spacers.\u003c\/li\u003e\n\u003cli\u003eThe EXS version is designed only for use with the EXS barstem. This design features a height of 5mm and is designed to fit under the transition spacer supplied with the bar. EXS spacers can be used between the headset cover and transition spacer.\u003c\/li\u003e\n\u003cli\u003eThe 2-Hole version only has room for 2 hydraulic hoses. It is also the lowest version that can be used with a standard-17-degree stem. It has a height of 6mm and can be used with regular round spacers.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eIf you are ordering the FSA \/ Vision ACR version, you can purchase the following adapters for additional routing options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMy version of these FSA ACR or FSA SMR internal routing adapters that pass hose nuts and hydraulic couplers, those products are listed here: \u003ca href=\"https:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\"\u003ehttps:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLow Stack hose tray kits for partially external use with the FSA \/ Vision SMR stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers%20and%20https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\"\u003ehttps:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers and https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Kalloy Uno stems are available here:  \u003ca href=\"https:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\"\u003ehttps:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Zipp Service Course SL \/ Service Course stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Deda Superbox stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Tavelo Avro bar stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapter kits for the Specialized Tarmac SL7 \/ SL8 stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease message me to discuss options for fitting other stems, custom dimensions, and custom integration for stems, etc.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and, in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM-level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed and the headset preloaded to the manufacturer's specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, Headset Split Ring, etc., not included unless otherwise specified.\u003c\/p\u003e\n\u003cp\u003eThe part is guaranteed to fit. If not, you will either be eligible for a refund or remakes until this part fits.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced upon order and have a lead time of 4-10 days. Bulk discounts are available. Please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"FSA \/ Vision ACR \/ Round Base-Token (56mm)","offer_id":47528271413503,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision ACR \/ Round Base-InRoute (56mm)","offer_id":47560560115967,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision ACR \/ Haro Rivette","offer_id":47528325054719,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision Direct Fit SMR \/ Round Base-Token (56mm)","offer_id":47528271511807,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision Direct Fit SMR \/ Round Base-InRoute (56mm)","offer_id":47560560148735,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision Direct Fit SMR \/ Haro Rivette","offer_id":47528325087487,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"Enve InRoute \/ Haro Rivette","offer_id":47528325120255,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"EXS \/ Round Base-Token (56mm)","offer_id":47528271708415,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"EXS \/ Round Base-InRoute (56mm)","offer_id":47560560214271,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"EXS \/ Haro Rivette","offer_id":47528325153023,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"2 Hole \/ Round Base-Token (56mm)","offer_id":47528271806719,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"2 Hole \/ Round Base-InRoute (56mm)","offer_id":47560560247039,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20251112_165320333.jpg?v=1765692909"},{"product_id":"not-so-low-stack-internal-cable-routing-adapter-for-time-de-rosa-etc-w-standard-fsa-acr-headsets","title":"Not So Low Stack Internal Cable Routing Adapter for Time, De Rosa, etc. w\/ standard FSA ACR headsets |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou seeking a a sleek 15mm headset cover that helps you use your FSA ACR headset with an ENVE InRoute bar or stem for your Time (2025+ ADHX \/ ADHX 45 \/ Alpe D'Huez, Scylon), De Rosa (Merak, Idol, 838, Spider), or other bikes that are using a standard FSA ACR headset.\u003c\/p\u003e\n\u003cp\u003eThese adapters may also fit other bikes that use standard-dimensioned FSA ACR \/ SMR internal routing headsets with a ~56 mm OD headtube. They work best with electronic drivetrains.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis set of parts is modified from my general headset collection to have a 55.8mm OD to match the 56mm OD headtubes used by these bikes. \u003c\/p\u003e\n\u003cp\u003eYou can verify this fitment by measuring your bike with the bearing removed along the inside of the head tube. It should measure around 8.7mm from the top edge of the frame to the bearing seat. Alternatively, you can message us to confirm fitment.\u003c\/p\u003e\n\u003cp\u003eThere is currently one version of this Part.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eThe Enve version is designed only for use with the Enve InRoute system. This design has a total stack of 15mm. It is compatible with additional Enve split spacers.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eOther versions like an EXS or Tavelo Avro compatible barstem may also be available. Please contact us if you want a different version\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and, in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM-level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed and the headset preloaded to the manufacturer's specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, Headset Split Ring, etc., not included unless otherwise specified.\u003c\/p\u003e\n\u003cp\u003eThe part is guaranteed to fit. If not, you will either be eligible for a refund or remakes until this part fits.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced upon order and have a lead time of 4-10 days. Custom orders may take up to 4 weeks, depending on the sourcing of parts needed to complete the design. Bulk discounts are available. Please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"Enve InRoute \/ FSA ACR (No. 55 Std \/ Silver Compression Ring H2474)","offer_id":47561372107007,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"Enve InRoute \/ FSA ACR (No. 69\/ Black Compression Ring H2630A)","offer_id":47561372139775,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true},{"title":"Enve InRoute \/ FSA ACR (No. 55 LS \/ Black Compression Ring H2630A)","offer_id":47561372172543,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20251209_193422298.jpg?v=1765309569"},{"product_id":"transition-spacers-adapters-tavelo-avro-to-acr","title":"Transition Spacers \/ Adapters | Tavelo Avro to FSA ACR","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eIf you operate an electronic shifting and hydraulic brake system bike and are looking for adapters to use the Tavelo Avro handlebar with the FSA ACR (or SMR) headset cover and split spacers.\u003c\/p\u003e\n\u003cp\u003eThese adapters \/ transition spacers are designed to pass hydraulic hose nuts or the ends of hydraulic quick-connects to make maintenance easier. This product only fits 1 1\/8 steerers and does not work with 1 1\/4.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is part of a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability. The specification  for this angled spacer is as follows:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2mm stack in the front\u003c\/li\u003e\n\u003cli\u003e10mm stack in the rear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFSA ACR split spacers and Tavelo can be utilized with this product. Please note that these are not included.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: Item is stocked and usually ships within 2 business days.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"Tavelo Avro","offer_id":48071147028735,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20260119_022621411.jpg?v=1768790573"},{"product_id":"transition-spacers-adapters-acr-to-enve-in-route","title":"Transition Spacers \/ Adapters | FSA ACR to Enve In-Route","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eIf you operate an electronic shifting and hydraulic brake system bike and are looking for adapters to use FSA ACR or SMR handlebars, stems or related products on a bike equipped with the Enve In-Route system, and you do not want to swap the headset cover.\u003c\/p\u003e\n\u003cp\u003eThese adapters \/ transition spacers are designed to clear the recessed cover of the Enve Melee bike. This product only fits 1 1\/8 steerers and does not work with 1 1\/4.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is part of a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability. The specification  for this spacer is as follows:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e9mm stack\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eKeyed for both ACR and In-Route systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFSA ACR split spacers and In-Route split spacers can be utilized with this product. Please note that these are not included.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: Item is stocked and usually ships within 2 business days.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"ACR","offer_id":48107367891199,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20260127_224657054.jpg?v=1771366016"},{"product_id":"low-stack-internal-cable-routing-headset-adapter-dustcover-for-specialized-allez-sprint","title":"Low Stack Internal Cable Routing Headset Adapter \/ Dustcover for Specialized Allez Sprint |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou are seeking a solution that enables you to use FSA ACR spacers and stems with your Allez Sprint. This part replaces the stock headset cover. \u003c\/p\u003e\n\u003cp\u003eThe dome-shaped headset cover allows the hoses to travel back to the holes in the stock compression ring. As a result, this solution works best with electronic drivetrains.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis spacer is designed to fit and look good with the Allez Sprint, giving it the clean hose routing it deserves, along with compatibility with FSA's family of stems and integrated bars, as well as a wide variety of other products.\u003c\/p\u003e\n\u003cp\u003eThose other products include a number that I sell on this site, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMy version of these FSA ACR or FSA SMR internal routing adapters that pass hose nuts and hydraulic couplers, those products are listed here: \u003ca href=\"https:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\"\u003ehttps:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLow Stack hose tray kits for partially external use with the FSA \/ Vision SMR stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers%20and%20https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\"\u003ehttps:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers and https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Kalloy Uno stems are available here:  \u003ca href=\"https:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\"\u003ehttps:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Zipp Service Course SL \/ Service Course stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Deda Superbox stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Tavelo Avro bar stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapter kits for the Specialized Tarmac SL7 \/ SL8 stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe stack height for this product is 10mm.\u003c\/p\u003e\n\u003cp\u003ePlease message me to discuss options for fitting other stems, custom dimensions, and custom integration for stems, etc.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and, in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM-level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed and the headset preloaded to the manufacturer's specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, Headset Split Ring, etc., not included unless otherwise specified.\u003c\/p\u003e\n\u003cp\u003eThe part is guaranteed to fit. If not, you will either be eligible for a refund or remakes until this part fits.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced upon order and have a lead time of 4-10 days. Custom orders may take up to 4 weeks, depending on the sourcing of parts needed to complete the design. Bulk discounts are available. Please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"FSA \/ Vision ACR","offer_id":48107374280959,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20260127_232114024.jpg?v=1769560239"},{"product_id":"low-stack-internal-cable-routing-headset-adapter-dustcover-for-leader-801-gr201-gv201-others-w-6mm-bearing-seat-depth","title":"Low Stack Internal Cable Routing Headset Adapter \/ Dustcover for Leader 801, GR201, GV201, others w\/ 6mm bearing seat depth |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou have a Leader 801, GR201, GV201, or other bike with a less-than-standard 6mm bearing seat depth, and you would like to clean up the routing. You may also be experiencing preloading issues with the stock headset.\u003c\/p\u003e\n\u003cp\u003eThese headset covers will keep your cables neatly tucked away while allowing you to use a wide variety of stems, including the FSA \/ Vision SMR and ACR, S-Works Tarmac, Kalloy Uno, and Enve In-Route, as well as one-piece bar stems from FSA \/ Vision, EXS, Enve, Tavelo, and more.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis set of parts is modified from my general headset collection to have a 55.8mm OD to match the 56mm OD headtubes used on these bikes, and the internal mating surfaces are modified to work with the reduced bearing seat depth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note that they must be used either with an FSA or Deda upper headset, including BOTH the C Ring and the bearing. It is not designed to be used with the stock headset setup.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePlease verify this fitment by measuring your bike with the bearing removed along the inside of the head tube. It should measure around 6mm from the top edge of the frame to the bearing seat. Alternatively, you can message us to confirm fitment.\u003c\/p\u003e\n\u003cp\u003eThere are currently five versions of this part, each further customized to support your choice of headset.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eThe FSA \/ Vision ACR version allows you to use FSA ACR split spacers or transition spacers for the FSA \/ Vision ACR system. This design has a height of 4-5mm.\u003c\/li\u003e\n\u003cli\u003eThe FSA  \/ Vision Direct Fit SMR version will enable you to use the FSA  \/ Vision SMR and SMR-II stems mounted directly and slammed for a low stack height and streamlined look. This design has a height of 6mm.\u003c\/li\u003e\n\u003cli\u003eThe Enve version is designed only for use with the Enve InRoute system. This design features a height of 4-5mm and is compatible with Enve split spacers.\u003c\/li\u003e\n\u003cli\u003eThe EXS version is designed only for use with the EXS barstem. This design features a height of 6mm and is designed to fit under the transition spacer supplied with the bar. EXS spacers can be used between the headset cover and the transition spacer.\u003c\/li\u003e\n\u003cli\u003eTavelo Avro adapter version allows you to use the Tavelo angled spacers. This design is angled, resulting in a profile similar to a 5mm stack cover in our other designs.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eIf you are ordering the FSA \/ Vision ACR version, you can purchase the following adapters for additional routing options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMy version of these FSA ACR or FSA SMR internal routing adapters that pass hose nuts and hydraulic couplers, those products are listed here: \u003ca href=\"https:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\"\u003ehttps:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLow Stack hose tray kits for partially external use with the FSA \/ Vision SMR stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers%20and%20https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\"\u003ehttps:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers and https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Kalloy Uno stems are available here:  \u003ca href=\"https:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\"\u003ehttps:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Zipp Service Course SL \/ Service Course stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Deda Superbox stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Tavelo Avro bar stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapter kits for the Specialized Tarmac SL7 \/ SL8 stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003cp\u003eIf you are ordering the FSA \/ Vision ACR version, you can purchase the following adapters for additional routing options:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease message me to discuss options for fitting other stems, custom dimensions, and custom integration for stems, etc.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and, in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM-level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed and the headset preloaded to the manufacturer's specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, Headset Split Ring, etc., not included unless otherwise specified.\u003c\/p\u003e\n\u003cp\u003eThe part is guaranteed to fit. If not, you will either be eligible for a refund or remakes until this part fits.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced upon order and have a lead time of 4-10 days. Bulk discounts are available. Please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"FSA \/ Vision ACR \/ Deda DCR (45 deg w\/ black C ring)","offer_id":48107741675775,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision ACR \/ FSA No. 55R LS","offer_id":48107741741311,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision ACR \/ FSA No. 55R STD","offer_id":48107814125823,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision Direct Fit SMR \/ Deda DCR (45 deg w\/ black C ring)","offer_id":48107741774079,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision Direct Fit SMR \/ FSA No. 55R LS","offer_id":48107741839615,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"FSA \/ Vision Direct Fit SMR \/ FSA No. 55R STD","offer_id":48107814158591,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true},{"title":"Enve InRoute \/ Deda DCR (45 deg w\/ black C ring)","offer_id":48107741872383,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"Enve InRoute \/ FSA No. 55R LS","offer_id":48107741937919,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"Enve InRoute \/ FSA No. 55R STD","offer_id":48107814191359,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"EXS \/ Deda DCR (45 deg w\/ black C ring)","offer_id":48107741970687,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"EXS \/ FSA No. 55R LS","offer_id":48107742036223,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"EXS \/ FSA No. 55R STD","offer_id":48107814224127,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"Tavelo Avro \/ Deda DCR (45 deg w\/ black C ring)","offer_id":48107814256895,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true},{"title":"Tavelo Avro \/ FSA No. 55R LS","offer_id":48107814289663,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true},{"title":"Tavelo Avro \/ FSA No. 55R STD","offer_id":48107814322431,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20250207_012707953-EDIT.jpg?v=1767132589"},{"product_id":"transition-spacers-adapters-round-to-enve-in-route","title":"Transition Spacers \/ Adapters | Regular Round to Enve In-Route","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eIf you have a bike that uses electronic shifting and integrated hose \/ cable routing through the headset via the Enve In-Route system and are looking for adapters to allow you to use a regular round stem with the hoses \/ cables routed under the stem.\u003c\/p\u003e\n\u003cp\u003eThese adapters \/ transition spacers sit on top of the hoses \/ cables and fit over split spacers. This cleans up the look, allowing you to raise the hose exit to the top of your spacer stack. It also means that this spacer does not affect the ability to pass hydraulic hose nuts. This product only fits 1 1\/8 steerers and does not work with 1 1\/4.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is part of a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability. This product has 10mm of stack.\u003c\/p\u003e\n\u003cp\u003eAs mentioned before, you can use Enve In-Route split spacers under this adapter.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: Item is stocked and usually ships within 2 business days.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"Round","offer_id":48107882774783,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20260128_042010869.jpg?v=1769577361"},{"product_id":"transition-spacers-adapters-round-to-fsa-acr","title":"Transition Spacers \/ Adapters | Regular Round to FSA ACR","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eIf you have a bike that uses electronic shifting and integrated hose \/ cable routing through the headset using the FSA ACR system (or SMR system), and are looking for adapters to allow you to use a regular round stem with the hoses \/ cables routed under the stem.\u003c\/p\u003e\n\u003cp\u003eThese adapters \/ transition spacers sit on top of the hoses \/ cables and fit over split spacers. This cleans up the look, allowing you to raise the hose exit to the top of your spacer stack. It also means that this spacer does not affect the ability to pass hydraulic hose nuts. This product only fits 1 1\/8 steerers and does not work with 1 1\/4.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is part of a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability. This product has 10mm of stack.\u003c\/p\u003e\n\u003cp\u003eAs mentioned before, you can use FSA ACR split spacers under this adapter.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: Item is stocked and usually ships within 2 business days.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"Round","offer_id":48107896766719,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20260128_042220230.jpg?v=1769577737"},{"product_id":"transition-spacers-adapters-deda-superbox-to-fsa-acr","title":"Transition Spacers \/ Adapters | Deda Superbox to FSA ACR","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eIf you have a bike with electronic shifting and integrated hose\/cable routing through the headset using the FSA ACR system (or SMR system), and are looking for adapters to use a Deda Superbox V1 or V2 Stem.\u003c\/p\u003e\n\u003cp\u003eMaybe it's because you prefer the look, or maybe it's because you need a 150mm or 160mm stem to make your fit work, and there are no other fully integrated stems on the market at those lengths.\u003c\/p\u003e\n\u003cp\u003eThese adapters \/ transition spacers can be used directly with the stem as shown or with the Deda external hose tray. It is not compatible with Alanera split spacers. If you wish to use split spacers with your setup, we advise using the FSA ACR split spacers under this transition spacer rather than using Deda Superbox V1 spacers above it.\u003c\/p\u003e\n\u003cp\u003eThis product fits only 1 1\/8 steerers and is not compatible with 1 1\/4.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is part of a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability.\u003c\/p\u003e\n\u003cp\u003eThis product has 5mm of stack.\u003c\/p\u003e\n\u003cp\u003eAs mentioned before, you can use FSA ACR split spacers under this adapter. \u003cspan\u003ePlease note that these are not included. This sale is for the adapter only and does not include any stems or other items pictured.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: Item is stocked and usually ships within 2 business days.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"Deda Superbox V1 \/ V2","offer_id":48145811964159,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20260217_162855298.jpg?v=1771365616"},{"product_id":"transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing","title":"Transition Spacer \/ Adapter | Zipp Service Course \/ Service Course SL + \/ - 6 to FSA ACR System Internal Routing","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eZipp's venerable Service Course SL stem was introduced in 2010 and quickly became a favorite due to its light weight and stiffness. The deep ovalized shape also means its one of the few stems we like the look of both in the more traditional -6 orientation but also in the riser +6 orientation. It also comes in a 150mm length, a rarity among lighter-weight road-focused stems.\u003c\/p\u003e\n\u003cp\u003eDesigned to fit the +\/-6 degree Service Course SL or Service Course stems to the FSA ACR system (or SMR system), these adapters pin two hydraulic hoses neatly under the stem, bringing them up through the FSA spacers. We have both a -6 product and, for the first time, are offering a riser product for the +6 configuration.\u003c\/p\u003e\n\u003cp\u003eLike our popular Kalloy Uno adapter, this product also features the same countersunk look, helping it visually blend with the larger ACR split spacers. These adapters also allow hydraulic brake nuts to pass for easy maintenance. \u003c\/p\u003e\n\u003cp\u003ePlease note that these are intended only for use with electronic drivetrains that use hydraulic brakes.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability. These are made for the +\/- 6 degree version of the Service Course SL and Service Course stem and allow you to run your brake hoses under the stem, then into the headset.  There are three versions of this product:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e-6 Service Course SL or Service Course: Fits with the stem in the -6 position\u003c\/li\u003e\n\u003cli\u003e+6 Service Course SL or Service Course: Fits with the stem in the riser +6 position.\u003c\/li\u003e\n\u003cli\u003eFit Pack: 1 of each of the above at a bundled discount, allowing you to try a low or a high position with no hose cutting needed to swap between the -6 and +6 positions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eAs noted before, FSA ACR split spacers can be utilized with this system. Please note that these are not included. \u003cspan\u003eThis sale is for the adapter only and does not include any stems or other items pictured.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: \u003cspan\u003eThis item is stocked and usually ships within 2 business days.\u003c\/span\u003e\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"-6 Service Course SL or Service Course","offer_id":48145990254847,"sku":"TS_KAL","price":19.99,"currency_code":"USD","in_stock":true},{"title":"+6 Service Course SL or Service Course","offer_id":48322469658879,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true},{"title":"Fit Pack","offer_id":48322469691647,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20260204_214125682.jpg?v=1770438558"},{"product_id":"transition-spacers-adapters-deda-superbox-to-enve-inroute","title":"Transition Spacers \/ Adapters | Deda Superbox to Enve In-Route","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eIf you have a bike with electronic shifting and integrated hose\/cable routing through the headset using the Enve In-Route system, and are looking for adapters to use a Deda Superbox V1 or V2 Stem.\u003c\/p\u003e\n\u003cp\u003eMaybe it's because you prefer the look, or maybe it's because you need a 150mm or 160mm stem to make your fit work, and there are no other fully integrated stems on the market at those lengths.\u003c\/p\u003e\n\u003cp\u003eThese adapters \/ transition spacers can be used directly with the stem as shown or with the Deda external hose tray. It is not compatible with Alanera split spacers. If you wish to use split spacers with your setup, we advise using the In-Route split spacers under this transition spacer rather than using Deda Superbox V1 spacers above it.\u003c\/p\u003e\n\u003cp\u003eThis product is designed to fit the Enve Melee top cover.\u003c\/p\u003e\n\u003cp\u003eThis product fits only 1 1\/8 steerers and is not compatible with 1 1\/4.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is part of a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability. This product has 10mm of stack.\u003c\/p\u003e\n\u003cp\u003eAs mentioned before, you can use Enve In-Route split spacers under this adapter. \u003cspan\u003ePlease note that these are not included. This sale is for the adapter only and does not include any stems or other items pictured.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: Item is stocked and usually ships within 2 business days.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"Deda Superbox V1 \/ V2","offer_id":48169590882559,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20260217_212531326.jpg?v=1771365940"},{"product_id":"transition-spacers-adapters-enve-in-route-to-token-a-box-speed-addict","title":"Transition Spacers \/ Adapters | Enve In-Route to Token A-Box Speed Addict","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eIf you operate an electronic shifting and hydraulic brake system bike and are looking for replacement adapters to use the Enve In-Route stem or bar stem with a bike fitted with the Token A-Box system or Token Speed Addict split spacers.\u003c\/p\u003e\n\u003cp\u003eThese adapters \/ transition spacers are compatible for use with both Enve In-Route split spacers or Token Speed Addict split spacers. You can mix or match them as long as you stay within the manufacturer's maximum spacer stack guidelines.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is part of a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability.\u003c\/p\u003e\n\u003cp\u003eThis product has 5mm of stack.\u003c\/p\u003e\n\u003cp\u003eAs mentioned before, you can use both Enve or Token spacers with this product. \u003cspan\u003ePlease note that these are not included. This sale is for the adapter only and does not include any stems, headset covers, or other items pictured.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: Item is stocked and usually ships within 2 business days.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"Enve In-Route","offer_id":48169594749183,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20260214_202525106.jpg?v=1771101777"},{"product_id":"low-stack-internal-cable-routing-headset-adapter-dustcover-for-van-rysel-rcr","title":"Low Stack Internal Cable Routing Headset Adapter \/ Dustcover for Van Rysel RCR |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou are seeking a solution that enables you to use third party bars and stems with your Van Rysel RCR or RCR Pro. This part replaces the stock headset cover. \u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is designed as a trial for the RCR specifically for the EXS Barstem. It has a 5mm stack height and uses the stock headset parts including the compression ring.\u003c\/p\u003e\n\u003cp\u003ePlease message me to discuss options for fitting other stems, custom dimensions, and custom integration for stems, etc.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and, in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM-level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed and the headset preloaded to the manufacturer's specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, Headset Split Ring, etc., not included unless otherwise specified.\u003c\/p\u003e\n\u003cp\u003eThe part is guaranteed to fit. If not, you will either be eligible for a refund or remakes until this part fits.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced upon order and have a lead time of 4-10 days. Custom orders may take up to 4 weeks, depending on the sourcing of parts needed to complete the design. Bulk discounts are available. Please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"EXS Trial Pack","offer_id":48204519964927,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"EXS Single Production","offer_id":48293993152767,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/VanRyselRCR-2026-02-20183730.png?v=1771640675"},{"product_id":"transition-spacers-adapters-black-inc-to-token-a-box-speed-addict","title":"Transition Spacers \/ Adapters | Black Inc to Token A-Box Speed Addict","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNOTE: this is a preorder and items will start shipping March 6th, 2026\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf you are looking to fit the Black Inc Aero Barstem to a bike fitted with the Token A-Box system or Token Speed Addict split spacers, this item is designed with you in mind.\u003c\/p\u003e\n\u003cp\u003eThese adapters \/ transition spacers are compatible for use with both with Black Inc split spacers or Token Speed Addict split spacers. You can mix or match them as long as you stay within the manufacturer's maximum spacer stack guidelines.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is part of a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability.\u003c\/p\u003e\n\u003cp\u003eThis product has 5mm of stack.\u003c\/p\u003e\n\u003cp\u003eAs mentioned before, you can use both Black Inc or Token spacers with this product. \u003cspan\u003ePlease note that these are not included. This sale is for the adapter only and does not include any stems, headset covers, or other items pictured.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: Item is stocked and usually ships within 2 business days.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"Black Inc","offer_id":48214992978175,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20260305_171912605.jpg?v=1772858114"},{"product_id":"transition-spacers-adapters-fsa-acr-to-token-a-box-speed-addict","title":"Transition Spacers \/ Adapters | FSA ACR to Token A-Box Speed Addict","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eIf you are looking to fit an FSA ACR or SMR stem or barstem to a bike fitted with the Token A-Box system or Token Speed Addict split spacers--and do not want to replace the headset cover, this item is designed with you in mind.\u003c\/p\u003e\n\u003cp\u003eThese adapters \/ transition spacers are compatible for use with both with FSA split spacers or Token Speed Addict split spacers. You can mix or match them as long as you stay within the manufacturer's maximum spacer stack guidelines.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is part of a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability.\u003c\/p\u003e\n\u003cp\u003eThis product has 5mm of stack.\u003c\/p\u003e\n\u003cp\u003eAs mentioned before, you can use both Black Inc or Token spacers with this product. \u003cspan\u003ePlease note that these are not included. This sale is for the adapter only and does not include any stems, headset covers, or other items pictured.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: Item is stocked and usually ships within 2 business days.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"FSA ACR","offer_id":48368229908735,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20260505_160401074.jpg?v=1777997965"},{"product_id":"low-stack-internal-cable-routing-headset-adapter-dustcover-for-is42-frames","title":"Low Stack Internal Cable Routing Headset Adapter \/ Dustcover for IS42 and IS41 Frames |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou are seeking a solution to use Enve InRoute stems on an IS42 or IS41 bike. This part replaces the stock headset cover. \u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is a replacement headset cover designed for use with Enve InRoute spacers. If you are using a fork with a D-shaped or otherwise shaped steerer, this product may be used to enable fully internal routing while managing hose bend diameter. Please contact us before purchasing for this use.\u003c\/p\u003e\n\u003cp\u003eThis headset cover can use microshims to ensure correct fitment and is designed to have ~10mm of stack as measured from the frame.\u003c\/p\u003e\n\u003cp\u003ePlease message me to discuss options for fitting other stems, custom dimensions, and custom integration for stems, etc.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and, in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM-level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed and the headset preloaded to the manufacturer's specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, Headset Split Ring, etc., not included unless otherwise specified.\u003c\/p\u003e\n\u003cp\u003eThe part is guaranteed to fit. If not, you will either be eligible for a refund or remakes until this part fits.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced upon order and have a lead time of 4-10 days. Custom orders may take up to 4 weeks, depending on the sourcing of parts needed to complete the design. Bulk discounts are available. Please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"Enve InRoute","offer_id":48474984972543,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20260503_182158671-EDIT.jpg?v=1777833438"},{"product_id":"transition-spacers-adapters-deda-superbox-to-quick-pro","title":"Transition Spacers \/ Adapters | Deda Superbox to Quick Pro","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eIf you are building a Quick Pro AR:One or ER:One, and are looking for adapters to use a Deda Superbox V1 or V2 Stem.\u003c\/p\u003e\n\u003cp\u003eMaybe it's because you just prefer the adjustability of a 2-piece solution, have a preferred bar, or maybe it's because you need a 150mm or 160mm stem to make your fit work, and the fully integrated solutions just don't work.\u003c\/p\u003e\n\u003cp\u003eThese adapters\/transition spacers can be used directly with the stem as shown or with the Deda external hose tray. It is not compatible with Alanera split spacers. If you wish to use split spacers with your setup, we advise using the Quick Pro split spacers under this transition spacer rather than using Deda Superbox V1 spacers above it.\u003c\/p\u003e\n\u003cp\u003eThis product is designed to fit the stock Quick Pro headset covers.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis product is part of a family of stem adapters 3D printed using HP's Nylon 12 with 40% glass bead fill for compression strength and dimensional stability. This product has 10mm of stack.\u003c\/p\u003e\n\u003cp\u003eThe last photo shows how it fits with Quick Pro headset cover.\u003c\/p\u003e\n\u003cp\u003eAs mentioned before, you can use Quick Pro split spacers under this adapter. \u003cspan\u003ePlease note that these are not included. This sale is for the adapter only and does not include any stems or other items pictured.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts, like these, designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM level performance.\u003c\/p\u003e\n\u003cp\u003eNote: Item is stocked and usually ships within 2 business days.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"Deda Superbox V1 \/ V2","offer_id":48789929492735,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20260702_233805151.jpg?v=1783045520"},{"product_id":"low-stack-internal-cable-routing-headset-adapter-for-quick-pro-er-one","title":"Low Stack Internal Cable Routing Headset Adapter for Quick Pro ER:One |","description":"\u003ch3\u003eWhy do you want it?\u003c\/h3\u003e\n\u003cp\u003eYou are seeking to pair the hottest road bike in 2026, the Quick Pro ER:One, with bars or stems from FSA, Deda, or Enve.\u003c\/p\u003e\n\u003cp\u003eOr you want the ability to use any of the adapters we have available for the FSA system that allow you to use stems from Specialized, Kalloy Uno, Zipp, or just round stems.\u003c\/p\u003e\n\u003ch3\u003eWhat is it?\u003c\/h3\u003e\n\u003cp\u003eThis replacement headset cover takes the place of the Quick Pro item and allows you to use spacers, adapters, stems, or 1-peice bar stems from the bransd you select. \u003c\/p\u003e\n\u003cp\u003eThis line is specifically designed for the Quick Pro ER:One only.\u003c\/p\u003e\n\u003cp\u003eThere are currently THREE versions of this part.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eThe FSA \/ Vision ACR version allows you to use FSA ACR split spacers or transition spacers for the FSA \/ Vision ACR system. This design has a height of 5mm.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe Enve version is designed only for use with the Enve InRoute system. This design features a height of 5mm and is compatible with Enve split spacers.\u003c\/li\u003e\n\u003cli\u003eThe Deda version is designed only for use with the Deda Alanera Spacers, Alanera Barstem and the V2 Superbox stem. This design features a height of 5mm and is designed to fit under the transition spacer supplied with the bar. Deda Alanera spacers can be used between the headset cover and transition spacer.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eIf you are ordering the FSA \/ Vision ACR version, you can purchase the following adapters for additional routing options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMy version of these FSA ACR or FSA SMR internal routing adapters that pass hose nuts and hydraulic couplers, those products are listed here: \u003ca href=\"https:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\"\u003ehttps:\/\/aprotobike.com\/products\/fsa-ns-acr-or-smr-adapters-transition-spacers\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLow Stack hose tray kits for partially external use with the FSA \/ Vision SMR stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers%20and%20https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\"\u003ehttps:\/\/aprotobike.com\/products\/smr-stem-low-stack-hose-guide-for-hydraulic-couplers and https:\/\/aproto.myshopify.com\/products\/smr-stem-low-stack-hose-guide\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Kalloy Uno stems are available here:  \u003ca href=\"https:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\"\u003ehttps:\/\/aprotobike.com\/products\/kalloy-uno-to-fsa-acr-system-internal-routing-adapter-transition-spacer\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Zipp Service Course SL \/ Service Course stems are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Deda Superbox stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-deda-superbox-to-fsa-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the Tavelo Avro bar stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-tavelo-avro-to-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters for the EXS Barstem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-fsa-to-exs\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-fsa-to-exs\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapter kits for the Specialized Tarmac SL7 \/ SL8 stem are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacer-adapter-for-specialized-s-works-tarmac-sl7-sl8-stem-to-fsa-acr-system-internal-routing\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eGeneric round stem adapters are available here: \u003ca href=\"https:\/\/aprotobike.com\/products\/transition-spacers-adapters-round-to-fsa-acr\"\u003ehttps:\/\/aprotobike.com\/products\/transition-spacers-adapters-round-to-fsa-acr\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease message me to discuss options for fitting other stems, custom dimensions, and custom integration for stems, etc.\u003c\/p\u003e\n\u003ch3\u003eHow is it Made?\u003c\/h3\u003e\n\u003cp\u003eThese parts are printed in the USA on Commercial Grade HP Multi-Jet Fusion machines. Parts designed to hold preload are made using PA12GB. While this material costs over 2x more than traditional PA12 Nylon, the addition of the glass increases its strength under compression by 80% and, in this application, eliminates creep. Given that SLS and MJF printed nylons are only 60%-70% of the density of the high-pressure injection-molded parts made by OEMs, this assures OEM-level performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part must be properly installed and the headset preloaded to the manufacturer's specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eStems, bikes, Headset Split Ring, etc., not included unless otherwise specified.\u003c\/p\u003e\n\u003cp\u003eThe part is guaranteed to fit. If not, you will either be eligible for a refund or remakes until this part fits.\u003c\/p\u003e\n\u003cp\u003eNote: Items are produced upon order and have a lead time of 4-10 days. Bulk discounts are available. Please message \/ email for more information.\u003c\/p\u003e","brand":"AProto Bike","offers":[{"title":"FSA \/ Vision ACR","offer_id":48789996372223,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true},{"title":"Enve InRoute","offer_id":48789996568831,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/files\/PXL_20260702_231402793.jpg?v=1783047947"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/9558\/1183\/collections\/PXL_20251112_165320333_869379fb-1cdf-4c54-9433-a50d017b5412.jpg?v=1769527076","url":"https:\/\/aprotobike.com\/collections\/headset-parts.oembed?page=3","provider":"AProto Bike","version":"1.0","type":"link"}