Function: 1 Hollow design reduces weight without adding weight to your bike.
2. Made of high tensile steel with hardening technology. Durable, durable and abrasion resistant.
3 Strong oxidation resistance makes oxidation difficult and longer shelf life. Unique mountain bike gear sprocket unique design allows you to control the shifting function properly.
4 Fine workmanship, high strength, sturdy and durable.
5 Suitable for mountain bike, road bike, etc.
Specifications:
Condition: 100% Brand New
Item Type: Bike Flywheel
Material: Steel
Color: As the picture
Speed: 8 speed
Gear ratio: 11-13-16-20-24-30-36-42T
Weight: approx. 19.4 oz (550
2 x Gear Rings
1 x Locking Ring