The HELIX R Cassette is an upgrade to any SRAM Eagle or Shimano™ drivetrain*, with more range than any other cassette on the market. 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. Add some color to your bike with their copper, nickle gray, gray, blue, purple, or orange option.


  • Compatible with SRAM™ and Shimano™ 12 speed drivetrains
  • 2-piece design allows for replaceable aluminum cogs
  • E*spec uprated for E-bike use


  • Reduces un-sprung rear wheel weight for improved suspension function and handling
  • Excellent shifting with Shimano™ and SRAM™ systems without compromise
  • e*thirteen’s wider range and 9 tooth cog allows riders to run a 2 tooth smaller chainring for more clearance and reduced weights

*XD™ driver required.

*Hope XD drivers are undersized at the clamp location and require a Cassette Shim Kit