Race face crank boots for carbon cranksrace face products are made to endure some of the most abusive riding conditions out there made for riders who value function as well as fashion tested on north vancouvers notorious shore youll be safe in the knowledge that your race face gear can take on anything you throw at it features protective rubber boots to fit over the end of your carbon crank arms fits next next sl sixc all sram carbon cranks shimano saint and gravity cranks buy race