Mountain Bike Freewheel Bicycle Hollow Lightweight 9‑50T Cassette Flywheel Colorful11 Speed 9‑50T

Features

1、Ultra‑light hollow design, wear‑resistant and anti‑oxidant, smoothly shifting and precise positioning.
2、Scientific wide gear ratio design, meet the needs of acceleration and climbing on flat roads, and can conquer all kinds of roads.
3、Vacuum coating hardening technology, made of chromium‑molybdenum steel, natural beauty in appearance, high temperature resistance and good impact absorption.
4、Specially designed for 11/12 speed bicycles, suitable for chain links between 9‑50T, easy to install and use.
5、There are 9‑11‑13‑16‑20‑24‑28‑32‑36‑42‑50T and 9‑11‑14‑15‑18‑21‑24‑28‑32‑36‑42‑50T for choice.

Package List

1 x Cassette Flywheel