Feature(may vary by option.)

●Model: Shimano RD-M310 Altus rear derailleur 7/8 gear/D-ATT black
●Compatible chain: 7/8 speed max. Rear sprocket: 34 teeth; total capacity: 43 teeth; the oversized 15Z tension and 13Z guide rollers reduce noise and wear
●Shimano Altus 7/8 Speed Black RD-M310 Mountain Bike Rear Derailleur Direct Mount
●Front derailleur action: top normal (traditional) cage length: long
●Advanced light-action design Teflon-coated sockets direct access front derailleur; the Shimano Altus M310 rear derailleur offers higher stiffness thanks to wide link construction and allows more precise shifting.
●Application: suitable for MTB mountain bikes, road bikes, variable speed bicycles, folding bikes and city bikes. It is your essential bike accessory during your bike ride.

[7  & 8 speed]

Description