SHIMANO ALIVIO RD-M3100 9-SPEED REAR DERAILLEUR new_product Allows high-speed/low-resistance training

Allows high-speed/low-resistance training

The new battery charging device is designed without air vents

CO2 inflator tool

should pesky thieves get their hands on it

SHIMANO ALIVIO RD-M3100 9-SPEED REAR DERAILLEUR new_product Allows high-speed/low-resistance trainingThe SHIMANO ALIVIO RD M3100 9 speed rear derailleur delivers a low profile design that lets you ride aggressively with fewer interruptions thanks to its SHIMANO SHADOW design. ALIVIO components are particularly popular on entry level mountain bikes and stand for a high level of quality and robustness Features Shimano ALIVIO 9 speed RD M3100 Rear Derailleur Low profile design Total capacity: 45T Max. low sprocket: 36T Adjustment barrel Specification