Shimano Alivio M3100 Shadow 9sp Rear Derailleur
SKU 4550170621155
The Shimano Alivio M3100 rear derailleur delivers a low profile design that lets you ride aggressively with fewer interruptions thanks to its Shimano Shadow design.
- Low-profile design
- Total capacity: 45T
- Max. low sprocket: 36T
- Adjustment barrel