The Race Face G4 Next Crank Boots are perfect protection for your cranks when the tough trails become 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!  Race Face G4 Next Crank Boots Features Protective rubber boots to fit over the end of your Next SL G4 carbon crank arms 2 pack