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![Load image into Gallery viewer, e*thirteen Helix Race Cassette - 12-Speed, 9-50t, Bronze](http://365cycles.com/cdn/shop/files/FW0978-01_400x@2x.jpg?v=1685991752)
![Load image into Gallery viewer, e*thirteen Helix Race Cassette - 12-Speed, 9-50t, Bronze](http://365cycles.com/cdn/shop/files/FW0978-02_400x@2x.jpg?v=1685991752)
The e*thirteen Helix R 12-speed cassette is an upgrade to any SRAM‚Ñ¢ Eagle or Shimano‚Ñ¢ drivetrain, and offers more range than other cassette options. The 9 tooth cog lets you step down one chainring size while keeping the same top end gearing and provides not only better ground clearance, but an overall lighter drivetrain.
- Works flawlessly with Shimano and SRAM drivetrains, including electronic shift systems
- CNC optimized for light weight and wide range
- Helix R is durable and serviceable, with replaceable gear clusters
- Engineered with improved durability of 2 part steel and aluminum assembly
- XD driver compatible
Description
The e*thirteen Helix R 12-speed cassette is an upgrade to any SRAM‚Ñ¢ Eagle or Shimano‚Ñ¢ drivetrain, and offers more range than other cassette options. The 9 tooth cog lets you step down one chainring size while keeping the same top end gearing and provides not only better ground clearance, but an overall lighter drivetrain.
- Works flawlessly with Shimano and SRAM drivetrains, including electronic shift systems
- CNC optimized for light weight and wide range
- Helix R is durable and serviceable, with replaceable gear clusters
- Engineered with improved durability of 2 part steel and aluminum assembly
- XD driver compatible