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Helix R 12-Speed 9-50T Cassette Replacement Clusters


Unlike SRAM Eagle, Helix R 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 R 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.

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Product Spec

2 aluminum cogs, 10 steel cogs
9-50T: 556%
Aluminum Custer: 42,50t
Steel Cluster: 9,11,13,15,17,20,23,27,31,36t

Tech Info

User manual
Frequently Asked Questions

Guaranteed to be free from
defects in materials or workmanship
for 5 years after original purchase