The Sunrace MZ903 is a 12-speed cassette with 11-51T and is fully compatible with the standard Shimano HG freewheel hub. This is the solution for those who don't have an Micro Spline freewheel and want to drive 1x12.
- Product features- MZ903 12-speed cassette 11-51
- Use: MTB
- Suitable for Freehub: Shimano HG
- Suitable for: 12-speed
- Teeth: 11-51
- Gradation: 11-13-15-17-19-21-24-28-33-39-45-51
- Colour: silver
- Weight: 510g (manufacturer information)