12-speeds (11-13-15-17-19-21-24-28-32-36-42-50)
Fits Shimano/SRAM 8, 9, 10 Speed and Shimano Dynasys 11 Speed Mountain hubs
Work with SRAM or Shimano derailleurs
Wide ratio cassette to extend your shifting performance
Not compatible with Sram XD Driver
0.681 kilograms