Mon, Thu: ClosedTue, Wed, Fri: 10:30am - 5:00pmSat: 9:30am - 4:00pmSun: 12:00pm - 4:00pm
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