Shimano Altus RD-M310 Rear Derailleur | 7/8-speed | silver or black
Shimano Altus (M310 S) derailleur
Shimano Altus M310 Rear Derailleur, Black | Bikeinn
Shimano Altus front derailleur. Bicycle components Stock Photo - Alamy
China Best Groupset Original Shimano Altus M310 8 Speed 24 Speed Groupset M310 Front/Rear Derailleur M315 Shifter Crankset Freewheel Bike Groupset - China Bike Groupset, Shimano Bike Parts