Feature:1. 9‑speed flywheel 13‑14‑16‑18‑20‑22‑24‑28‑32T has a smoother speed change and reduces the weight of the perforation.2. The flywheel is mainly made of durable steel with high strength and durability.3. High‑precision tooth profile, precise positioning, sturdiness and durability, and strong compatibility.4. Strict quality control and quality assurance, high safety factor, can be used with peace of mind.5. It has the characteristics of high temperature resistance, rust prevention, no deformation, wear resistance, high durability and so on.Specification:Item Type: Bike FreewheelMaterial: SteelSpeed: 9 SpeedWeight: Approx.637g/22.5ozNumber of Teeth: 13-14-16-18-20-22-24-28-32T Package List:1 x Bike FreewheelNote:After the installation is complete, check whether the flywheel is locked and whether it is aligned.