Nx single chainset bb30 11 speed the sram nx crankset provides high performance at the right price featuring the sram engineered x sync chainring the nx crankset is engineered for complete chain control each tooths thickness is cnc machined to work seamlessly with the chains inner and outer links personalize your gearing with five available chainrings 30 32 34 36 38 6000 series aluminum arms fully compatible with all sram 1x drivetrains most affordable fully featured 1x crank in the i