Shimano Ultegra CS-HG800 11-speed cassette 11 – 32T Road Bike BNIB. SHIMANO – 11-Speed – HG-EV – 11-32T Road Cassette Sprocket. Compatible with GS cage rear derailleurs, the HG800-11 cassette offers low climbing gears perfect for mixed surface riding. It is compatible with both 10 and 11-speed freehubs. Hub body designed to fit a variety of bikes from MTB to road bikes Spacer required to fit hub body to road bikes. 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. 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 chains. Time Trial & Triathlon. 11 – 32 teeth. SHIMANO ULTEGRA R8000 Series. Combination name (Group name).