e*thirteen Helix R Cassette - 12-Speed, 9-45t, Gray

$319.00 Regular price $353.99
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The e*thirteen Helix R 12-speed cassette is an upgrade to any SRAM‚Ñ¢ Eagle or Shimano‚Ñ¢ drivetrain, and offers more range than other cassette options. 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.

  • Weighs only 319g while offering a 500% gear ratio
  • Works flawlessly with Shimano and SRAM drivetrains, including electronic shift systems
  • CNC optimized for light weight and wide range
  • Helix R is durable and serviceable, with replaceable gear clusters
  • Engineered with improved durability of 2 part steel and aluminum assembly
  • XD driver compatible
  • MPN: FW2HRA-101
  • UPC: 4711280340262
  • Cassette Body TypeSRAM XD 11/12 Speed
    Cassette Body TypeSRAM XDR
    Cassette Cogs9-11-13-15-17-19-22-25-28-32-38-45
    Defined ColorGray
    Defined ColorSilver
    Drivetrain Speeds12
    SKU: CASS0512