Shimano RD-M3100 Rear Derailleur Alivio Shadow 9-Speed

SHIMANO ALIVIO - Rear Derailleur - SHIMANO SHADOW RD - 9-speed

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