Features:

* Brand new and high quality.
*Made of high-quality materials, durable.
* Easy to install
*Light weight
*Exquisite appearance
*Suitable for all kinds of 7-speed bicycles with cassette freewheels

Specifications:

*Material: Alloy steel
*Surface: Anti-rust treatment
*Number of teeth: 12-28T,12-32T
*Weight: About 270g
*Type: Cassette flywheel
*Speed: 7 speed
*Color: Silver

Package Contents:
1*cassette flywheel