- Wide range, Super Fluid Drive shift profiling
- HG splined mountain cassette is compatible with Shimano and SRAM drivetrains
- Steel rings with sandblast satin finish
| Model | CSM680 |
| Freehub Type | HG (8-11sp) |
| Speed | 8 |
| Range | 11-40 |
| Cogs | 11 |
| Color | Silver |
| Weight | 456g |