Shimano - Cassette - ULTEGRA - 11-Speed CS-HG800-11
$144.99
SHIMANO - 11-Speed - HG-EV - 11-34T 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.