Ethirteen Helix Sram XD Cassette 12s 9-50T S3-SEASON_Q12024 Carry your spare bottle the

Carry your spare bottle the aero way

Minimalist design

any environment

speed and cadence

the materials are anything but casual

Ethirteen Helix Sram XD Cassette 12s 9-50T S3-SEASON_Q12024 Carry your spare bottle thee*thirteen Helix Race Cassette 12s 9 50T Bronze Suitable for Sram XD and XDR drivers 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