The SHIMANO ALIVIO M3100 rear derailleur offers a low profile design that allows for aggressive styling with less interruption thanks to the SHIMANO SHADOW design.
- Low profile design.
- Total capacity: 45D.
- Pinion max. min .: 36D.
- Register on the rear derailleur.
- Color: Black, Gray.
- Cage Length: Long.
- For 9-speed transmissions.
