20 Set Freewheel Sprocket Adapter, Hub Refit Parts, , Bicycle, Bike

Description:

- This bike cassette cog made of high quality aluminium alloy material, integrated production, corrosion resistance, sturdiness and durability.

- The surface is colored by anodizing process, the color is brilliance, anti-corrosion and rust-proof, and the durability is enhanced.

- The set includes 5 pieces spacer, flywheel cover, and 1 piece flywheel for convenient using.

- Lightweight won't add more burdens to your bike and scientific design increases contact area to hub body.

- This flywheel is compatible with 7-10 speed Cassette flywheel. Please choose 7-10 chain to install.

Specification:

- Material: Aluminum Alloy

- Size: 20T

Package Includes: 1 Set Cassette

Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!