This is the E*Thirteen 12 Speed, 9-50 tooth Cassette. Specifically designed for e-bikes, the exclusive 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 e-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. TRS Plus 12 Speed Cassettes have class-leading range, and plug directly into all SRAM™ Eagle™ and Shimano™ XTR™, XT™, and SLX™ 12 speed drivetrains.

• Mounts to an XD™ Driver with a 3mm pinch bolt, and standard cassette spline tool. Removes simply with a chain whip and cassette tool.
• Freehub Mount: XD™ and XDR™ Drivers Only
• Material: 2 aluminium cogs, 10 steel cogs
• Replaceable steel and aluminium cog sets
• Range: 9-50T: 556%
• Size: 9-50T: 9,11,13,15,17,20,23,27,31,36,42,50
• Weight: 393g