Low Stack, Direct Fit, Internal Cable Routing Headset Adapter / Dustcover for FSA NS ACR Stem, Customizable | Frame and Bearing Fitment:-4 Recessed 36 Deg There are currently five versions

There are currently five versions of this part

If 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

aero position with plenty of surface area to support your hands and wrists

The Kalloy -17 version is designed to provide clean integration with the Kalloy Uno 7050 -17 degree stem

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Low Stack, Direct Fit, Internal Cable Routing Headset Adapter / Dustcover for FSA NS ACR Stem, Customizable | Frame and Bearing Fitment:-4 Recessed 36 Deg There are currently five versionsWhy do you want it? You 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. You are looking for a system that can pass hydraulic couplers or compression nuts through the headset for easier maintenance. What is it? This system must be used with a Deda DCR compression ring (available for purchase via this