Shimano Ultegra R8000 11 Speed Rear Cassette - Grey

Ultegra Cassette lightweight 11-speed HG-EV cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes. The Hyper glide sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear. A wider gear range to meet the demands of all types of rider.