SunRace CSMZ800 11-51T 12 Speed MTB Wide Ratio Cassette fits Shimano SRAM Black
Featuring hard-wearing steel cogs, this trail-ready mountain bike (MTB) cassette is well-equipped for handling all the demands associated with all-day epics on your favourite trails. 
SunRace has also kitted out this model with an alloy lockring and spider for additional strength and durability, while its numerous holes keep its weight reduced to a minimum. 
Benefitting from an ED black coating, it offers fantastic wear resistance as you charge from trail to trail. 
Another highlight is its wide 11-51 tooth ratio that's paired with Fluid Drive Plus technology for consistent shifting performance, wherever your next adventure takes you.
Please note: This is a Shimano HG fitment option and does not fit Shimano MicroSpline.
Technical specifications:
Material 4 large pinions: steel
Material 8 small pinions: steel
Technology: Fluid Drive Plus
Switching stages: 12
Gradation: 11-13-15-17-19-21-24-28-33-39-45-51
Translation bandwidth: 464%
Freehub Compatibility: Shimano HG/SRAM
Color:black anodized spider and red anodized lockring
Weight according to the manufacturer: 648g