The x01® dh crankset with x-sync™ technology is engineered for ultimate dh performance in the most aggressive terrain. The carbon crank combines stiffness and strength with lightest-in-class weight of under 800 grams. Proven in world cup and world championship racing it’s the crankset made for relentless downhill rides. - carbon dh racing crank - cnc machined 7075 two-tone anodized x-sync™ chainring 94 bcd —an integral component of the sram 1x™ drivetrain - x-sync™ technology compatible with sram 1x™ 7- and 10-speed dh drivetrains - x-sync™ tall square tooth design provides maximum chain control - sharp narrow tooth profile and rounded chamfer edges help manage a deflected chain - mud-clearing recesses for the inner chain links and rollers - lightest in class carbon construction - high strength alloy pedal lug - iso 4210 compliant. See declaration of conformity for details.