Helix Race 11-Speed 9-46T Cassette Color:Grey If your crank isn’t listed

If your crank isn’t listed and you encounter issues

just beyond the speed-limited assistance of most e-bikes

perfect for epic full-day adventures

strong enough for shuttle days at the bike park

2 motor systems

Helix Race 11-Speed 9-46T Cassette Color:Grey If your crank isn’t listedHelix Race 11 speed, 511% Range, 370 Grams More Range, Less Weight The HELIX Race Cassette is an upgrade to any SRAM or Shimano 11speed drivetrain, with more range than other cassettes 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. PRODUCT FEATURES Compatible with SRAM, Shimano, and TRP Shifters and Derailleurs