Shimano 105 Di2 CS-R7101 Cassette 12 Speed 11-34TThe Shimano 105 Di2 CS-R7101 Cassette offers high performing, rider-tuned gearing with wide gear choices for Di2 and Mechanical Shifting Systems. As part of Shimano's 105 R7000 series, this cassette is ideal for beginner road cyclists, combining great value with trickle-down technology from Shimano's top-tier groups. The refined 12-step gear combination provides peak efficiency and accelerating performance for every situation. Compatible with new 12-speed (HG-Spline-L2) and road 11-speed (HG-11) freehub bodies. Compatible with Shimano HG 12-speed chain. This cassette weighs only 361g and has teeth of 11-12-13-14-15-17-19-21-24-27-30-34t.192790822662
