E-Thirteen Helix 11 Speed Race Cassette - XD Driver - Intergalactic - 9-46T - 11 Speed YGroup_7033477988397 Sizing: Universal fit 54-61cm

Sizing: Universal fit 54-61cm

Double-layer lens with anti-fog coating

For optimum performance

easy to use and accurately reads pressures up to 300 PSI

Carbon optimized flex for improved small bump compliance

E-Thirteen Helix 11 Speed Race Cassette - XD Driver - Intergalactic - 9-46T - 11 Speed YGroup_7033477988397 Sizing: Universal fit 54-61cmThe 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. The 11 speed cassettes have a huge 511% range and the aluminium 46 tooth cog is easily replaceable so riders can keep their steel cluster for multiple