Sram: The SRAM XG-1299 Eagle cassette delivers the ultimate combination of lightweight performance, wide-range gearing and premium finishing for high-end mountain bike builds. With a 520% gear range, it allows riders to run larger chainrings for increased top-end speed while maintaining the climbing capability needed for steep terrain and demanding race courses. Built using SRAM’s X-Dome architecture, the cassette offers exceptional strength with minimal weight, while the open design improves mud clearance and shifting consistency in challenging conditions. Designed for use with XD driver bodies and compatible with Eagle drivetrains, it provides a premium upgrade option for riders looking to maximise drivetrain performance. Features 520% gear range for maximum climbing capability and top-end speed X-Dome architecture for lightweight strength and durability Open design improves mud clearance and shifting consistency Compatible with XD driver bodies Backwards compatible with Eagle drivetrains Premium finishes available in Gold and Rainbow Specifications Speed compatibility: 12-speed Gear range: 10-52T Cog sizes: 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 52 Cassette technology: XG Cog finish: Gold, Rainbow Drivetrain configuration: 1x Minimum sprocket: 10T Maximum sprocket: 52T Chain technology: Eagle