Mountain Road Bike Crankset Crank Set 104 BCD 7-12 Speed 170mm Crankset Single
【Bicycle Crankset】: Lightweight mountain bike crank arm set suitable for 7/8/9/10/11/12 speed chain rings wheel, 104BCD, Round. 【 Material】: Bike crankset is made of high strength aluminum alloy, which is not fading and resists oxidation.