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 wearWide gear range to meet the demands of all types of riderFor use with 11-speed HG-EV chainss