Race Face Next SL 9 Speed Carbon Chainset The NEXT SL crank represents the next generation of Race Face carbon cranks. Weighing in at a cateogry leading, 695 grams, Next SL cranks are the lightest, strongest 100% carbon fiber MTB cranks ever made. Race Face has created a crank that goes beyond existing carbon material & process limitations, setting a new benchmark in performance XC components. NEXT combines over seven years of Race Face composite technology with over fifteen years of crank development, producing a carbon crank with an unparalleled strength to weight ratio. Race Face NEXT cranks are equipped with dedicated, newly designed NEXT chainrings. NEXT chainrings are 100% CNC sculpted in-house from the hardest, highest wearing 7075 aluminum available. Raceface start from super-thick 5mm plate material to maximize stiffness for super crisp up-shifts, then they set about removing excess material by milling, pocketing & scalloping away every excess gram. The end result are light,