Low Stack Internal Cable Routing Headset Adapter for Quick Pro ER:One | Stem System:FSA / Vision ACR S-Works -12 version is designed

S-Works -12 version is designed to provide clean integration with the S Works Tarmac -12 degree stem

If you have a bike that uses electronic shifting and integrated hose / cable routing through the headset using the FSA ACR system (or SMR system)

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

you can use both Enve or Token spacers with this product

This part has a height as measured from the frame of ~10mm

Low Stack Internal Cable Routing Headset Adapter for Quick Pro ER:One | Stem System:FSA / Vision ACR S-Works -12 version is designedWhy do you want it? You are seeking to pair the hottest road bike in 2026, the Quick Pro ER: One, with bars or stems from FSA, Deda, or Enve. Or 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. What is it? This replacement headset cover takes the place of the Quick Pro item and allows you to use spacers, adapters, stems, or 1 peice