【Mountain Bike Square Taper Crank】104/64mm BCD,170mm Left and right crank. Compatible with Single/Double/Triple chainring and 14mm Internal sinking foot pedal.
【Narrow And Wide Teeth Chainring 】32T,34T,36T,38T single chain ring,Compatible with 8/9/10/11/12 Speed drivetrains. The narrow and wide teeth design effectively prevent the chain from falling off, increases wear life,and reduces friction and noise.
【Professional Design】Crankset made of CNC machining process, the surface of frosted and anodized heat treatment process forging. Higher strength and more exquisite.No imperfections. Easy to clean.
【High-strength aluminum alloy 】Made of aluminum alloy, light weight, stylish, flashy styling, high axial strength and compatibility.
【Package】1* Square Taper Left and right crank,1 Chainring,4 screws,4 Bolt.