12 Speed 32T Bicycle Cassette Freewheel Cycling Road Bike Hollow Freewheel Replacement Accesory

Feature: 1. Multi Layer Plating and Anti Rust Treatment: High tension steel plate adopts nickel chromium plating process, multi layer plating and anti rust treatment, with high accuracy tooth ratio. 2. Concave and Convex Tooth Design: The concave and convex tooth design, make the speed change more gliding, weight reduction, and strong compatibility. 3. Hollow Technology: The cassette adopts hollow technology, can effectively and easily reduce the weight, so that riding easier, and more gliding. Suitable for road bikes. 4. Runs Smoothly: The flywheel rotates smoothly and has no noise, and can well ensure that it is closely connected with the wheel hub of the bicycle and runs smoothly. 5. Manufacturing Material: Made of mickel chrome steel material, sturdy and durable, 11‑12‑13‑14‑15‑17‑19‑21‑23‑25‑28‑32T speed ratio, which undoubtedly prolongs its service life. Specification: Item Type: 12 Speed 32T Cassette Freewheel Weight: Approx.442g 15.6oz Speed Ratio: 11 12 13 14 15 17 19 21 23 25 28 32T Material: Nickel Chrome Steel Applicability: Suitable For Road Bikes. Package List: 1 x Flywheel 2 x Sprockets1 x Flywheel Cover