Shimano Alivio SL-M3100-L Shifter - Left 3-Speed RapidFire Plus Optical Gear Display. The Shimano Alivio SL-M3100 Left Shifter provides responsive rear shifting for 9-speed mountain bike drivetrains.
- TECH SPECS
| Double or Triple | Triple |
| Drivetrain Speeds | 9 |
| Front Der/Shifter Compatibility | Shimano Mountain |
| Shifter Style | Trigger |