Shimano Altus RD-M310 8 Speed Direct Mount Rear Derailleur Black MTB
RD-M310 8 Speed 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. Features: Max Sprocket: 34T Total Capacity: 43T Speed: 7/8 Speed Weight: ~300G SKU: RD-M310 ***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***