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.

Specifications

• 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

• Silver

• 510g