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The SunRace CSMX3 10-Speed 11-42T is a lightweight mountain bike cassette designed to fit traditional HG splined freehub bodies. It features a large 42-tooth aluminum climbing gear with the remaining cogs made of steel, and it offers excellent 1x10 shifting compatibility with SRAM derailleurs.
Speed: 10-Speed
Gear Range: 11-42T (11, 13, 15, 18, 21, 24, 28, 32, 36, 42 teeth)
Weight: Approx. 385 gramsMaterial: 7075 Aluminum (largest cog and carriers) + Steel (smaller cogs)
Freehub Compatibility: Standard Shimano/SRAM 8, 9, 10, and 11-speed mountain freehubs (not compatible with SRAM XD driver bodies)
Compatibility & PerformanceSRAM
Derailleurs: Generally compatible out of the box with mid- or long-cage 10-speed SRAM derailleurs.
Shimano Derailleurs: Can be used with Shimano, but typically requires a longer B-tension screw to clear the large 42-tooth cog.
