12-Speed Compatibility: Compatible with Sram XD Freehub bodies and Eagle SX, NG, GX, XX1 groupsets. Wide Gear Range: 10-50T cassette offers a wide gear range for optimal pedaling efficiency on varying terrain. Tooth: 10-12-14-16-18-21-24-28-32-36-42-50T Durable Construction: Ultra high strength steel ensure long-lasting performance and reliability. Smooth Shifting: Designed for precise and smooth gear transitions. Mountain Bike Specific: Engineered for the demands of off-road riding and trail conditions. Experience seamless shifting and unparalleled durability with the Sunshine 10-50t Cassette. Designed to fit SRAM XD Freehub systems, this 12-speed freewheel is compatible with Eagle SX, NG, GX, and XX1 mountain bike groupsets. Crafted with precision engineering, this cassette offers a wide gear range, allowing you to conquer steep climbs and maintain high speeds on descents. The lightweight construction ensures efficient power transfer, while the durable materials withstand the rigors of off-road adventures. Whether you're tackling technical trails or exploring remote singletrack, the Sunshine 10-50t Cassette delivers smooth, reliable performance mile after mile. Upgrade your MTB drivetrain and experience the difference that a high-quality cassette can make.