Super elastic， The more perfect package crank.circumstances.
Silicone is non-toxic and environmentally friendly.
It is superior to plastic in terms of high temperature resistance, aging resistance and impact resistance.
1.Prevent the crank wear surface and scratch.
2.Flexible, tensile, variety of colors beyond dental plate protection is also a decorative.
3.360 degree comprehensive protection, refuse to shave.
5.High elasticity, practical and firm.Suitable for most bike crank arms.
6.It’s a good gift for you loving bike