Features:
Constructed of high strength steel, anti-rust, non-deformation, wear-resistant, high performance of durability.
High precision thread guarantee close connection with the bike hub and smooth . It can promise smooth rotation of chain without much noise .
Small size error, short running-in period can better adapt to other parts. Speed up the and save time for riding for a long time.
About the shifting performance, we designed our tooth profile dedicatedly and use a plat tooth design to avoid the chain drop when back-pedaling.
If you have any questions about our products, please email us and we will respond within 24 hours. Try to solve the problem for you.

Specification:
Material: Stainless steel
Weight: 430g/15.2oz
Variable speed: 7 speed
Size: 11.5 * 11.5cm / 4.5 * 4.5in

Package List:
1 x Bike Freewheel Set