Low Stack Internal Cable Routing Adapter / Dustcover for Time, De Rosa, etc. w/ standard FSA ACR headsets | Internal_Cable If you are building a

If you are building a Quick Pro AR:One or ER:One

com/products/transition-spacer-adapter-zipp-service-course-service-course-sl-to-fsa-acr-system-internal-routing

As mentioned before

This system must be used with a Deda DCR compression ring (available for purchase via this listing) in the following frame fitments:

But you also need to carry a pump and prefer to use the same bottle cage mount for both tools

Low Stack Internal Cable Routing Adapter / Dustcover for Time, De Rosa, etc. w/ standard FSA ACR headsets | Internal_Cable If you are building aWhy do you want it? You 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. These 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. You want to use an FSA Vision, S Works Tarmac, Kalloy Uno,