Shimano Alivio SL-M3100-2L Shifter - Left 2-Speed RapidFire Plus. The Shimano Alivio SL-M3100 Left Shifter provides responsive rear shifting for 9-speed mountain bike drivetrains.
- TECH SPECS
| Shifter Style | Trigger |
| Front Der/Shifter Compatibility | Shimano Mountain |
| Double or Triple | Double |
| Drivetrain Speeds | 9 |