ethirteen Helix R 12-Speed Cassette
Sale
$
319.00
$329.95
Save $10.95 (3% Off)
ethirteen Helix R 12-Speed Cassette, Get more range with less weight. The ethirteen Helix R 12-speed cassette delivers an impressive 556% range and weighs a mere 345 g. Plus, it's compatible with both SRAM Eagle and Shimano drivetrains.