Shimano rear derailleur



The Altus M310 is an affordable but high performing rear derailleur. Ideally suited to a 7 or 8-speed drivetrain, it has enough capacity to handle a double or triple crankset. With its light action design, Teflon coated bushings and efficient spring, this derailleur is perfect for leisure cycling and touring.


  • Cage Length: Long Cage (SGS)
  • Max Sprocket:34 Tooth
  • Total Capacity:43 Tooth
  • Speed:7/8 speed
  • Weight:326g

A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).

Buy Shimano Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.


  • Colour: Black
  • Size: Long Cage
  • Speed:7-8 Speed
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