This is the SunRace CSMZ800, 12-Speed, HG, Wide-Ratio Cassette.
- Shimano Freehub Compatible HG (Not XD)
- 12 Speed
- 11-51T wide ratio gearing allows a more efficient use of energy through finer cadence control
- Steel Cogs
- Alloy Spiders
- Alloy cassette lockring
- For use with 12-speed MTB chains
- Average weight: 648g
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