e*thirteen Helix R Cassette - 11-Speed, 9-46t, Nickel/Gray
$329,95
e*thirteen
The HELIX R Cassette is an upgrade to any SRAM™ Eagle™ or Shimano™ drivetrain, with more range than other cassettes 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 gr