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MZ903 12 Speed Cassette

SunRace MZ903 12 Speed Cassette
This product has been discontinued and is no longer stocked by MTB Direct.
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Description

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.

Product Reviews

Sent directly from our partner

This item is sent directly from our partner and will arrive separately if you order with other items.

Special Order

Special Order items are ordered for you from our supplier. Your whole order will be held until all items are in stock and will ship in 10-14 days.

If you are ordering other items which are in stock, you may wish to order those separately so they ship without delay.