Shimano Altus RD-M310 Rear Derailleur — 7/8-Speed, Long Cage, Black

The Shimano Altus RD-M310 Rear Derailleur is a durable and dependable drivetrain component designed for 7- and 8-speed mountain, hybrid, and recreational bicycles. Built with a long cage design, it provides the chain wrap capacity needed for wide-range gearing, making it well-suited for bikes with larger rear cassettes.

Engineered for smooth, consistent shifting, the RD-M310 uses Shimano’s proven indexing and spring tension to maintain reliable performance across varied terrain. Its black finish and robust construction make it an ideal replacement for worn or damaged derailleurs on everyday and entry-level bikes.

Key Features

• Compatible with Shimano 7- and 8-speed drivetrains

• Long cage design for increased chain capacity and wide-range gearing

• Smooth, reliable shifting performance

• Durable construction for recreational and daily-use bikes

• Color: Black

A straightforward, value-focused rear derailleur that keeps shifting predictable and dependable for a wide range of riding styles.