The SRAM XG-1299 Cassette Eagle 10-50T 12 Speed Rainbow is engineered for mountain biking enthusiasts seeking unparalleled performance and durability. With its innovative X-DOME™ architecture, this cassette offers a remarkable 500% gear range while maintaining a lightweight profile, making it a superior alternative to traditional 2x systems. Designed for use with the XD™ driver body, it features advanced shifting technology that ensures smooth and quiet gear transitions, enhancing both inboard and outboard performance. The XG-1299 is not only built for strength but also optimized for compatibility with the Eagle™ chain, making it a perfect choice for riders who demand freedom and reliability on the trails.