Bicycle Freewheel Cassette Sprocket 8 Speed Mountain Bike Replacement Accessory

Features: Constructed of high strength metal, anti rust, non deformation, wear resistant, high performance of durability. High precision thread ensures close connection with the bike hub and smooth operation. It can promise smooth rotation of chain without much noise. Providing fast riding speed with less effort needed. Reliable to use, applicable to mountain bike freewheel. Specification: Material: Aluminium alloy Weight: 463g 16.3oz Surface treatment: silver chrome treatment Variable speed: 8 speed Teeth: 13T 14 16 18 20 22 24 28 Size: Approx. 11.3 * 11.3cm 4.4 * 4.4in Package List: 1 x Bike Freewheel Set . Note: