SunRace 11 Speed SRAM XD Mountain Bike CassetteThis tough cassette is specifically designed for MTB as it offers 11 top quality sprockets for smooth shifting performance in every gear. Its superb design consists of an A7075 aluminium larger sprocket and alloy spacers, lockring and spider for phenomenal strength and durability on the trails. Furthermore, its lightweight profile means you can get up to speed quickly without worrying about any excess weight holding you back. This is the ultimate choice of a replacement for your old or worn-out existing model.Features: Material: A7075 Aluminium Use: MTB Speed: 11 speed Smoother shifting performance LightweightBuy SunRace Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.