SunRace MZ903 12 Speed Cassette

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Replace your old worn out Shimano 12 speed cassette with this wide-ratio option from Sunrace. This cassette is primarily built from hardened steel which will keep wear down and boost longevity. Sunrace have also utilised a 7075 alloy construction on the 39, 42 and 51 tooth sprockets to keep the weight in check. Those looking for a good value alternative to Shimano 12-speed cassettes will appreciate the wallet-friendly price point.

Who's this item for: Anyone who needs a wide-ratio cassette for charging up and down steep trails.

Number of gears: This is a 12-speed cassette.

Weight: Approx 517g

Materials / construction: Alloy spiders, lockring and spacers. High tensile steel 11-33T sprockets with 7075 alloy 39, 42 and 50T sprockets.

Cog-tooth span: 11-51T cassette
  • 11-13-15-17-19-21-24-28-33-39-45-51
Freehub mounting style: Mounting is via the Shimano HG (hyper-glide) freehub system.

Other component compatibility: This cassette is optimised for use with Shimano 12-speed drivetrains. It is only compatible with the HG freehub mounting standard.
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Cassette Fitment
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Shimano HG Splined
12 Speed
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SunRace MZ903 12 Speed CassetteSNRCMZ90312SCS
Black - Shimano HG Splined - 12 Speed - 11-51T4710944265446

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