Durable ConstructionCrafted with high-strength steel and 7075 aluminum alloy, this cassette combines robustness with reduced weight. Its durable materials ensure long-lasting performance even under demanding mountain biking conditions Wide 12-Speed 10-50T RangeThis 12-speed XD cassette offers a versatile 10-50T gear range, making it ideal for tackling steep climbs and achieving high speeds on descents. Whether you're navigating rugged mountain trails or smooth singletrack, this gear ratio provides the precision and flexibility needed for optimal performance Precision CNC MachiningThe cassette is expertly crafted using CNC integrated machining, ensuring a lightweight, visually appealing design without compromising durability. This high-precision process delivers smooth shifting performance and seamless gear transitions, helping you stay focused on the ride Compatible with XD FreehubsSpecifically designed for XD standard freehub bodies, this cassette is a perfect fit for a wide range of mountain bikes. It is compatible with 12-speed drivetrains such as SRAM SX, NX, GX, and XX1 EAGLE, offering broad compatibility across popular setups Optimized for Versatile RidingEngineered for various terrains and biking styles, this XD cassette suits all XD-compatible hubs. Whether you're a competitive racer or a recreational rider, this cassette ensures reliable and efficient gear changes, enhancing your cycling experience Specifications: Material: High-strength steel + 7075 aluminum alloy (maximum 3 gears) Speed: 12-speed Teeth: 10-50T Package included: 1 x Freewheel Sprocket