Shimano Ultegra CS-HG800 11 Speed 11-34T

SHIMANO – 11-Speed – HG-EV – 11-34T Road Cassette SprocketCompatible 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