e*thirteen Helix Race 12s Cassette - 9-45T

The Helix Race 12-Speed 9-45T Cassette is a drop in Gravel Upgrade, that extends legendary Helix shift performance. e*thirteen Helix is compatible with SRAM and Shimano 12-speed drivetrains, to the lightweight Gravel and XC marketplace. With weights starting at just 310g, Flat-Top Chain compatibility, and a 500% range, you get an instant 13% range increase over XPLR 10-44 cassettes. e*thirteen's proprietary 9T cog also allows dropping chainring size for improved clearance and lower overall weight.

• Save weight, increase range, and expand compatibility on your Gravel or XC dream build.
• e*thirteen Helix cassette is compatible with SRAM 12 Speed Mountain and Gravel Drivetrains, and Shimano 12 Speed MTB drivetrain
• 2-piece design allows for replaceable aluminum cogs
• A drop-in replacement for SRAM XPLR 10-44T Cassettes with a 13% increase in range!
• Flat-Top Chain and XPLR Derailleur Compatible
• Specs: XD/XDR Driver required, 9-45T, 12 spd, 10 Steel / 2 Alloy Cogs (9,11,13,15,17,19, 22, 25, 28, 32, 38, 45), 500% Range, 7075 AL / Steel
• Weight: 340g
• Sizes: 9,11,13,15,17,19, 22, 25, 28, 32, 38, 45