The NEXT SL crank represents the next generation of Race Face carbon cranks. Crank that goes beyond existing carbon material and process limitations, setting a new benchmark in performance XC components.
More lightweight and more versatile! The B.O.R. XM557 2X_X0/29 crankset featuring the "Smart Spindle System" and secures for installing the cranks into 11 different bottom bracket types. For 2x9-speed or 2x10-speed drive.