Helix Race Cassette - 12-Speed, 9-45t, Gray

The e*thirteen Helix Race 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.

• Weighs only 319g while offering a 500% gear ratio