Helix Race 12-Speed 9-50T Cassette Gravel Chainline is determined by SRAM®

Chainline is determined by SRAM® crank assembly

Fits generation 1 guides only

The high-modulus carbon construction combined with 30mm inner rim width provide lateral stability and precision

160mm and 165mm

83mm crank requires the Helix GR Chainring

Helix Race 12-Speed 9-50T Cassette Gravel Chainline is determined by SRAM®Helix Race 12 speed, 556% Range, 384g More Range, Less Weight The Helix Race 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. PRODUCT FEATURES Compatible with SRAM, Shimano, and TRP Shifters and Derailleurs of