Not all bikes listed on our website are assembled and ready for same day pick up. Please wait for a confirmation e-mail before coming in to pick up your purchase!
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