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Kalloy Uno
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)
FSA ACR Stem
S-Works -12 version is designed to provide clean integration with the S Works Tarmac -12 degree stem
Mount has a total length from bolt center to 1/4 edge of 47mm
Low Stack Internal Cable Routing Headset Adapter for Quick Pro ER:One | Stem System:FSA / Vision ACR Kalloy UnoWhy 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
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