Alivio 9 Speed (RD-M3100-SGS)

Description

The Shimano Alivio RD-M3100 Rear Derailleur features Shadow RD technology to keep the derailleur safe from trail obstacles.

• 9-speed SHIMANO SHADOW RD rear derailleur
• Low-profile design
• Total capacity: 45T
• Max. low sprocket: 36T
• Adjustment barrel