Shimano launches 12-Speed Ultegra R8100 Di2: Wireless Cockpit, Faster Shifting + Improved Brakes – No New Wheel Standards / Freehubs!
Ultegra R8100 Road Components Deliver Shimano's Unrivaled Road Performance to Even More Riders Connecting rider to the road, Shimano’s new ULTEGRA R8100 series takes trickle-down technology to a new level…














