Shimano Altus RD-M310 Rear Derailleur

Shimano's Altus RD-M310 rear derailleur is a versatile replacement for bikes that use 7/8sp cassettes/freewheels. 
  • Long cage (SGS)
  • Black
  • Chain Wrap Capacity (teeth): 43 teeth
  • Largest Cog: 34 teeth
  • 326 grams

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Shimano Altus RD-M310 Rear Derailleur