Shimano Alivio RD-M3100 MTB Mountain Bike 9 Speed Rear Derailleur Shadow RD New M4000 SGS
Model: RD-M3100-SGS
Color: Black
Speed: 9 Speed
Low-profile design
Total capacity: 45T
Max. low sprocket: 36T
Adjustment barrel
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.
