feature:
1. it is made of high?strength steel and go through with temper hardening technology.
2. it has higher strength, durability and extremely strong wear resistance than other normal counterpart.
3. strong oxidation resistance makes it difficult to rust, durable and has a long service life.
4. the unique design of the gear pinion for mountain bikes can control the speed change function well.
5. the cover is made of chrome?plated technology, and the hollow design is adopted to reduce the weight.


specification:
item type: flywheel
material: steel
color: as picture shown
weight: approx. 480.0g/16.9oz

speed: 8 speed
tooth: 11-13-16-20-24-28-32-36t





package list:
1 x flywheel3 x accessory