Road Bike Freewheel Cassette Sprocket 9 Speed 11 40T Bicycle Replacement Accessory

Feature: 1. Hollow design, reduce weight. 2. High tension steel plate plated with nickel chromium. 3. Steel gears have a finer gear selection for strength and durability for precise adjustment. 4. Shift up and down quickly and smoothly. 5. Designed for 9 speed bike. Easy to install and use. Specification: Condition: 100percent Brand New Item Type: Freewheel Material: High tension steel plate Color: as picture shown Speed: 9 speed Teeth: 11 13 16 20 24 28 32 36 40T . Package List: 1 x Locking Ring2 x Gear Ring1 x Freewheel