Cocosity Bicycle Flywheel 30 10 Speed 11-42T Steel Bike Flywheel Freewheel Cassette Sprocket Bicycle Accessory

Feature:
1. Steel gears have the strength and durability of finer gear selection for precise heading adjustment. Fast and stable upshifting and downshifting.
2. Hollow out design, reduce weight, do not add extra weight.
3. Made of quality steel, corrosion resistant, sturdy and durable.
4. Professional manufacturing, directly replace your old or broken one.
5. Wonderful bicycle accessory.

Specifications:
Item Type: Bicycle Cassette Sprocket
Condition: 100% Brand New
Material: Steel
Weight: Approx. 643g
Color: Golden
Speed: 30/10Speed
Tooth Ratio: 11-42T
Package List:
1 x Bicycle Cassette Sprocket 1 x Lock Plate
2 x Snap Ring