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 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.