PREMIUM QUALITY:Made of high strength metal materials, solid, firm and durable to use. Chainwheel, material: aluminum alloy
GOOD PERFORMANCE:Burly and lightweight forged crankset for ultimate strength and reliability. These are intended to be used on single speed mountain and road bike fixed gear bicycle.
APPLICABLE OCCASION:Compatible with all 22/32/44 speed mountain bike in the market. Suitable for road bikes, mountain bikes and DIY enthusiasts. Model number: bicycle crank and amp
LONG CRANK ARM:118-122.5mm crank arm length without any overlap of crank arm & chain ring bolts, great stable