SunRace CSRS3 11 Speed CassetteEnjoy fast and reliable 11 speed shifting all over the mountain with this stunning MTB model from SunRace. Its steel spider is incredibly durable, making it tough enough for the most rowdy off-road rides. This is a perfect choice of upgrade for replacing your old or worn-out existing model.Features: Steel Spider Designed for MTB use 11 speed 332gBuy SunRace Components from Chain Reaction Cycles, the World's Largest Online Bike Store.