- XD Driver Only11 Speed
- Steel and 7075 Aluminum 2-piece configuration, aluminum cluster fastens to XD driver with a 3mm hex pinchbolt.
- 9-34 Gearing: Steel 9,11,13,15,17,19, 21, 24, 27, 30, Aluminum 34 – 271g
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Trsr Carbon Chain Guide Offers The Same World Class Chain Retention In A Lighter, Stiffer, And Far More Adjustable Design. All Polycarbonate Parts Are Now Solvent Resistant, So They Won’T Get Brittle Or Crack After Exposure To Lubes And Cleaners. It Has A Co-Moulded Soft Rubber Interior To Cut Down On Noise, And It Opens Quickly And Easily Without Tools.
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 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.
Unlike other brand, Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of other brands 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.