RACE FACE G4 CARBON CRANK BOOTSCARBON FIBER CRANKS, BOOTS WITH THE FURTrail riding can be tough on your components. Your carbon fiber cranks can take abuse from things like rocks and roots while you're riding. You can easily keep the tips of your cranks protected with the Race Face G4 Carbon Crank Boots. They are made from a durable Race Face proprietary plastic blend. They are compatible with Race Face Next SL Cinch, Sixc Cinch, Chester, Respond, Next/Next Sl, and Sixc cranks. They are also compatible with most other popular carbon MTB cranks and some DH cranks. Features Made from a durable plastic blend Compatible with Race Face cranks and most other popular carbon MTB cranks Available in multiple colors to add a little style to your ride | Race Face | G4 Carbon Crank Boots Blue