hardened-steel races

Machined titanium pulleys with our Standard Bearings is the second

Other X-SYNC

The new EC300 charging connector is designed specifically for Shimano's 12-speed Di2 road drivetrains

Tube material Latex

shimano dura ace shifting brake lever st r9270 l dual control lever Product Type_ Chainring hardened-steel racesSKU Description Clean Cockpit: Wireless connection enhances the aesthetic of your bike while keeping shifting lightning fast 1. 5 to 2 years of battery life with easy to change CR1632 shifter batteries Unparalleled ergonomics engineering refined with pro rider feedback Raised hood peak improves ergonomics, while a longer hood body increases hand support Compatible with satellite shifters SERVO WAVE technology optimizes brake control Lighter, smoother