Feature

●Sleek 12-step gear combination provides maximum efficiency and acceleration performance in all situations
●12S 11-12-13-14-15-17-19-21-24-27-30-34T
●Mechanical Di2 compatible


Description

Shimano CS-R7100 12s 11-12-13-14-15-17-19-21-24-27-30-34T ICSR710112134