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