Helix Race Cluster 12s 42-50T e*thirteen Galactic

Unlike 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 Race 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 significantly decrease the wear life of your new cassette. Installing a new chain with your new cluster is a much better and economical solution. The Intergalactic 42-50t cluster features PVD finishing which improves durability and wear life. PRODUCT SPEC Material 2 aluminum cogs, 10 steel cogs Range 9-50T: 556% Speeds 12-Speed Teeth Aluminum Custer: 42,50t Steel Cluster: 9,11,13,15,17,20,23,27,31,36t