SHIMANO CS-HG800 Road 11SPD Cassette

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. The cogs are nickel-plated steel for superb durability while the aluminum spiders and lockring help shave grams. And of course, the tooth profiles and shifting gates ensure crisp, smooth shifting that Shimano's 11-speed drivetrains are known for. Features: Nickel-plated steel cogs plus aluminum spider and lockring strike an optimal balance for durability and weight savings Cogs' tooth shape and design makes for super-smooth gear changes Compatible with Shimano 10-speed and 11-speed freehub bodies Includes spacer for use on 11-speed road freehub bodies 11-34 cassette requires use of longer, mid-cage Ultegra R8000 GS rear derailleur