Shimano Altus RD-M310 Rear Derailleur

Shimano Altus RD-M310 Rear Derailleur
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Details

The Shimano Altus RD-M310 rear derailleur is a quality, durable replacement rear derailleur for 7 and 8-speed drivetrains.

- 13t upper and 15t lower pulleys
- Maximum cog size: 34t
- Total capacity: 43t