Shimano CS-R8101 Ultegra 12-speed cassette 11 - 34T

Lightweight 12-speed HG+ cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes

Hyperglide+ sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear

Wide gear range to meet the demands of all types of rider

For use with 12-speed chains