Description
Shimano Ultegra R8101 Cassette | 12 Speed
- 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
