HIGH QUALITY MATERIAL: Made of aluminum alloy, light weight, stylish, flashy styling, high axial strength and compatibility.
STANDARD PRECISION: Ensure ultimate chain retention, Increase service life, and reduces friction and noise; There is no overlap between crank arm and chain ring bolt.
SPINDLE INTERFACE TYPE: Horizontal Square Taper. Please check if the orientation of your right crank arm is square or diamond. Keep both left and right arms have the same hole.
WIDELY USE: Suitable for road bike, mountain bike, folding bike, fixed gear bicycle, 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.