Helix Plus Cassette 12s AL Cogs 42-50T e*thirteen

Helix Plus Cassette 12s AL Cogs 42-50T e*thirteen

Marsoni

M251S

$125.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Helix Plus Cassette 12s AL Cogs 42-50T e*thirteene*thirteen 12 Speed Aluminum Replacement cluster 42 50T for a 9 50 Helix Cassette Black Helix Plus 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 12s clusters are backward compatible with and can be used to upgrade your existing TRS+ 9 50 cassette. When installing the Helix Plus cassette, as with any cassette, we recommend checking chain

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Reviewed in the United States on November 28, 2025