The Shimano 105 CS-R7100 12-speed cassette that brings versatility to any rider or road. From sprinting on the flats to climbing steep inclines, the 11-34T cassette has you covered.
Refined 12-step gear combination provides peak efficiency and accelerating performance for every situation
Compatible with new 12-speed and road 11-speed freehub body
Compatible with HG 12-speed chain