Mountain Bike Aluminum Alloy Hollow Integral Single Speed Crank Set Arm Repair Accessory

Features: Made of high strength aluminum alloy, non deformation and durable to use, provides a better force. This crankset is compatible with single speed bike. Standard precision machining, which ensures gears occludes perfectly, increases service life, and reduces friction and noise . Helps make riding more labor saving and efficient. Great accessory for bike lovers and DIY enthusiasts. Specifications: Condition: 100percent Brand New and High Quality Material: Aluminum Alloy & Steel Color Options: Black; Black & Red Chain Diameter: Approx. 183mm 7.2inch Crank Hole Length: Approx. 170mm 6.7inch Chain Compatibility: Single Speed Size: As picture show Weight: Approx. 674g Packing List: 1 x Crank 2 x Crank Arms (L&R)