Shimano Alivio RD-M3100-SGS 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