Not all bikes listed on our website are assembled and ready for immediate pickup. If you plan on picking up your bike shortly after placing your order please call us to confirm that the bike is ready to go!
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