Part type
Brand
Speed
12
Groupset series
Models
| Part number | Front speed | Rear speed | Total capacity | Low sprocket max | Max front difference | Weight | Listings |
|---|---|---|---|---|---|---|---|
| RD-M8100-GS | 1 | 35T | 45T | ||||
| RD-M8100-SGS | 1 | 41T | 51T | 284g | |||
| RD-M8120-SGS | 2 | 45T | 45T | 10T | 290g |