Shimano CS-HG800 Ultegra 11-34T 11-speed 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.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 riderCan be used on narrower MTB freehubs when used without spacerFor use with 11-speed hg-ev chains