Shimano CS-R8000 Ultegra 11 Speed Cassette

Lightweight 11-speed HG-EV cassette with rigid alloy sprocket carrier to offer better shifting performance, even under the most demanding gear changes, as well as shaving off the grams.Key Features: Hyperglide EV 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 11-speed HG-EV chainss