Upgrade your mountain bike with the M4000 Rear Derailleur, designed for smooth and accurate gear shifting on 8-speed and 27-speed drivetrain systems. Product Type: Mountain Bike Rear Derailleur. Function: Smooth rear gear shifting.
Shimano Altus M310 7/8 Speed FD-M310 RD-M310 Front Rear Derailleur Direct Mount
Shimano Altus M310 7/8 Speed RD-M310 Rear Derailleur Hangar Mount (RD-RDE-M310)
Shimano Altus M310 7/8 Speed RD-M310 Rear Derailleur Hangar Mount RDE-M310 UK
