SunRace MZ90 12-Speed MTB Cassette – 11-50T Wide-Range, HG-M Compatible
The SunRace MZ90 12-Speed 11-50T Cassette is a high-performance mountain bike cassette engineered for modern 12-speed 1x drivetrains. Featuring an ultra-wide 11-50 tooth gear range, this SunRace MTB cassette delivers smooth, reliable shifting, exceptional climbing capability, and precise gear transitions for trail, enduro, and all-mountain riding.
- 12-speed MTB cassette with 11-50T wide-range gearing
- HG-M compatible freehub fit for Shimano or SRAM 12-speed drivetrains
- Fluid Drive+ cogs for smooth and precise shifting
- Lightweight alloy first three cogs, steel remaining sprockets
- Includes spiders and alloy lockring for secure installation
- Optimised for 1x12 mountain bike drivetrains
Built with SunRace’s Fluid Drive+ technology, the MZ90 cassette optimises tooth profiles and shift ramps to produce quick, accurate shifting even under load. The first three sprockets are crafted from lightweight alloy, reducing overall weight, while the remaining steel cogs provide durability and long-lasting performance. Precision-engineered spiders and a secure alloy lockring complete the cassette, ensuring strength, alignment, and easy installation on HG-M (Shimano-compatible) freehub bodies.
With its wide 11-50T gear spread, the SunRace MZ90 allows riders to tackle steep climbs with lower gears while maintaining fast, efficient pedaling on flats and descents. It is ideal for serious MTB riders, enduro racers, and backcountry cyclists looking to upgrade their drivetrain for smoother performance, durability, and versatility.