• STANDARD : Ensure chain retention, Increase service life, and reduces friction and noise; There is no overlap between crank arm and chain ring bolt.
• INSTALL EASILY: Crank Arm is easy to install and tighten it only if you make sure the thread in alignment.
• HIGH QUALITY MATERIAL: Crank Arm is made of aluminum alloy, light weight, stylish, flashy styling, high axial strength and compatibility.
• WIDELY USE: This Crank Arm is suitable for road bike, mountain bike, folding bike, fixed gear , etc.
• GUARANTEE: If you are not satisfied with our product received, you can apply for unconditional return and refund within 180 days. In terms of any problem of this product, you can send emails to us at any time. We will reply you as soon.