Features:
- Constructed of high strength steel, anti-rust, non-deformation, wear-resistant, high performance of durability.
- High thread ensures close connection with the bike hub and smooth operation.
- Fast and smooth shift and lower noisy clicking sound.
- Providing fast riding speed with less effort needed.
- to use, applicable to mountain bike freewheel.
- It will help with different situations, like easy-to-loose cases.
- Easy to install,no need to do any adjustment to the derailleur.

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