Shimano Ultegra CS-R8101 12-Speed Cassette Size:11-34T Silicone printed logo on top

Silicone printed logo on top and bottom outside cuffs to grip silicone on to shorts

Receiving a complete overhaul for 2023

Includes complete right-side internals

Rounded edge

Lace closure with front elastic strap lace-keeper system

Shimano Ultegra CS-R8101 12-Speed Cassette Size:11-34T Silicone printed logo on topNew tooth profile designed to work with both electronic and mechanical Shimano drivetrains. Tooth profile slightly changed to better accomodate mechanical shifting For Di2 and Mechanical Shifting Systems Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation Faster, smoother shifts under maximum pedaling force Compatible with new 12 speed (HG Spline L2) and road 11 speed (HG 11) freehub bodies