Bike Crank Arms, 1 Pair Universal 170Mm Bicycle Aluminium Alloy Single Crankset Mtb 5 Claws Arm Set Repair Parts Bcd 130Mm For Mountain Road Bike(Black)

☆【Premium QualIty】This bike crank arm is made of premium quality aluminium alloy material, which is sturdy and durable in use. It is not easily damaged and deformed, has reliable quality and ensures high strength for long lasting usage. ☆【Exquisite Workmanship】The 170mm crank arm adopts standard precision machining, which ensures ultimate chain retention, increases service life and reduces friction and noise. ☆【Excellent Performance】The 170mm bike crank arm is lightweight, which adds no heaviness to your bike. 170mm crank arm length without any overlap of crank arm and chain ring bolt. ☆【Universal Fitment】The bicycle crank arm is a good replacement for bike repair, which is compatible with many bike models. BCD: 130 mm (suitable for 107-100mm); arm length: 170 mm/ 6.7 inch; fit for: pedal diameter = 9/16. ☆【Guarantee】Our product have 180 days warranty, if you have any question about this bike crank arm, please feel free to contact us, we will try our best to help you solve your problem.