Shimano Alivio M3100 Rear Mech - 9 Speed - Rear Mech - Parts | Dave Mellor Cycles
Shimano Alivio 9-speed budget groupset | Everything you need to know - BikeRadar
SHIMANO ALIVIO M3100 Rear Derailleur SHADOW RD 9 speed For MTB Bike Mountain Bike Original parts 9 Speed Rear Derailleur|Bicycle Derailleur| - AliExpress
Should the chain be outside or inside the cage? Its a Shimano Alivio M3100 : r/bikewrench