Shimano XTR RD-M9120 12 spd Rear Derailleur takes shifting to another level. The ultimate for any cross country bike Shimano XTR steps out with new 12 speed shifting that's smoother and more precise than anything before.
| CAGE LENGTH | SGS/Long |
| TOTAL CAPACITY | 41T |
| MAX FRONT DIFFERENCE | 10T |
| COLOR | Series Color |
| MOUNT | Direct attachment (conventional) |
| TENSION PULLEY BEARING | Sealed Bearing |
| GUIDE PULLEY BEARING | Sealed Bearing |
| NUMBER OF PULLEY TEETH | 13T |
| SERIES | M9120 |
| GENERATION | XTR M9120 |
| MAX LOW SPROCKET | 45T |
| MIN LOW SPROCKET | 45T |
| TOP NORMAL SPRING TYPE | SHIMANO SHADOW RD+ |
| REAR SPEEDS | 12 |
