Trail riding can be tough on your gear. The ends of your cranks take a lot of abuse as the trail rushes underneath you and your bike. Protect your cranks from any damage with Race Face crank boots. Made from a durable Race Face proprietary plastic blend, leave no doubt and go with the originator in crank end protection. Wrap it up and protect the tips!Protective rubber boots to fit over the end of your alloy crank arms.Fits:Shimano XTR,Shimano XT,Shimano SLX,Sram X7,Sram X5,Atlas,Turbine (new/old),Evolve (new/old),Deus,Ride,Most alloy road cranks.