More range, less weight, and less money. Need we say more?TRS Plus 12 Speed Cassettes have class-leading range, and plug directly into SRAM™ Eagle™ Mechanical* and Shimano™ XTR™, XT™, and SLX™ 12 speed drivetrains.The exclusive-to-e*thirteen 9t sprocket allows you to run a smaller chainring for better ground clearance and additional weight savings.If you're planning on building up your new bike with a 12 speed drivetrain or your existing setup is running rough, consider saving some money and weight with e*thirteen's TRS Plus 12 Speed Cassettes.Special Note for Hope™ Hub Owners: Please notify us if you will be installing the cassette on a Hope™ XD driver, as Hope™ XD drivers do not adhere to licensed XD specification and require an additional shim which we will include with your order.Special Note for Eagle™ AXS users: TRS+ cassettes were developed before Eagle AXS was available in the market, so TRS+ Cassettes may present setup problems in some cases. For best results we recommend Helix 12s Cassettes for use with Eagle AXS drivetrain!COMPATIBILITY: SRAM™ Eagle™ and Shimano™ XTR™, XT™, SLX™ 12 Speed Drivetrains.Mounts to an XD™ Driver with a 3mm pinch bolt, and standard cassette spline tool. Removes simply with a chainwhip and cassette tool.FREEHUB MOUNT: XD™ and XDR™ Drivers Only.RANGE: 9-46T: 511%.SPEEDS: 12 Speed. WEIGHT: 9-46T, 332 g.