E*thirteen Helix Race 12 speed Gravel Cassette Intergalactic - 9-45t

Helix R 12-Speed 9-45T cassette extends legendary Helix shift performance and cross compatibility with SRAM and Shimano 12-speed drivetrains, to the light weight Gravel and XC marketplace. It features: 

  • 12 speed 9-45t -  9,11,13,15,17,19,22,25,28,32,38,45
  • Weighing in at a svelte 319g, this light weight engineering marvel offers an industry leading 500% gear ratio, due to e*thirteen's exclusive 9T highest gear cog.
  • A drop-in replacement for SRAM™ XPLR™ 10-44T Cassettes - A 13% increase in range!
  • Their 9T cog also also lets you step down one chainring size, while keeping the same top end gearing, meaning both better ground clearance and an overall lighter drivetrain.
  • Helix Cassettes were engineered with improved reliability of steel and aluminum assembly, and the 38-45T alloy cluster is easily replaceable so riders can keep their steel cluster for multiple seasons and freshen up the granny as needed without buying a whole new cassette.
  • Futureproof your bike, save weight, add gear range and spice things up with a touch of color with e*thirteen Helix-R cassettes.
  • Weight: 310g