Helix Race 12-Speed 9-50T Cassette Aluminum Replacement Clusters service parts e*thirteen has improved upon the

e*thirteen has improved upon the best aspects of their beloved LG1 Race Carbon wheels to create an even stronger wheel

TPX bearings for lower friction and longer service life

especially when riders push the limits

and softer medium tack sidewall knobs

Helix Race 12-Speed 9-50T Cassette Aluminum Replacement Clusters service parts e*thirteen has improved upon theUnlike SRAM Eagle, Helix Race cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM cassettes. As an added bonus, Helix R 12s clusters are backward compatible with and can be used to upgrade your existing TRS+ 9 50 cassette. When installing the Helix Race cassette, as with any cassette, we recommend checking chain wear. If your chain shows 0. 5% or more wear, you will