RD-M3100 REAR DERAILLEUR ALIVIO SHADOW 9-SPEED

The Shimano Alivio M3100 rear derailleur delivers a low-profile design with adjustment barrel that lets you ride aggressively with fewer interruptions.

Speeds: 9
Total capacity: 45T
Top sprocket: Max: 12T / Min: 11T
Low sprocket: Max: 36T / Min: 32T / Max difference: 22T
Pulley Teeth: 11T