HIGH QUALITY MATERIAL: This bike crank set is made of premium aluminium alloy, which is lightweight, adding no heaviness to bike.
LONG TIME SERVICE: This product has a high strength and deformation resistance, durable for long time use.
FINE WORKMANSHIP: This bike crank set made of standard precision machining, which ensures ultimate chain retention, increases service life, and reduces friction and noise.
FEATURE: This product fits for 170mm crank arm length without any overlap of crank arm and chain ring bolt.
IDEAL REPLACEMENT ACCESSORY: This chain set is an ideal replacement for bike repair, compatible with many bike models.