Specifications Type:MTB Bike Freewheel Flywheel Adjustable Gear Number:11-Speed Material:STEEL Gear Teeth:11T-25T/28T/32T/34T/36T/40T/42T/46T/50T/52T Freewheel Speed:10/11/12 Origin:Mainland China Components:Freewheel Product:Bicycle Cassette Speed:10/11/12S Compatible with:for HG Hub Package Included:1*Bike Cassette MTB Road Bike Cassette CNC Bicycle Flywheel 10 11V 12V Bike Freewheel 32/36T/40T/42T/46T/50T/52T Sprocket for HG We have our own factory which specializes in the production of bicycles and bicycle accessories. Our aim is to provide customers with high-quality products and suitable prices. must be an excellent choice for bike enthusiasts. Specifications8/9/10/11/12speed cassette provides 11-32T/11-36/11-40T/11-42T/11-46T/11-50T multiple gear options. MaterlalMountain Road Bike 8/9/10/11/12Speed cassette is made of quality steel material,high temperature resistance,corrosion resistance, anti-rust Compatibility8/9/10/11/12speed cassette is compatible with Sram and 8-speed systems Recommended use: mountain bikes(11-32T/11-36/11-40T/11-42T/11-46T/11-50T) Easy to installThe bicycle Cassette is a practical accessory for mountain bikes. Easy installation without adjustments. and is suitable for most bicycle rear wheel rotor sizes. Service guaranteeIf you are not satisfied with the multi-speed Cassette of our bicycle, you can send us an email at any time, and we promise to provide better service. Suitable for HG structure, with a simple overall design and easy installation. The large hollow design in the middle reduces the overall weight without reducing the strength. CNC technology, the surface of the flywheel is galvanized to prevent rust. Some flywheels are made of aluminum alloy brackets, making them more sturdy and durable overall. The design of sludge/drainage holes makes the flywheel less prone to getting dirty and easier to clean. box packaging, not easily damaged during transportation.