Shimano RD-M310 Altus Rear Derailleur - 7/8 Speed

Shimano RD-M310 Introduction

The Altus RD-M310 is a light action MTB rear derailleur for 7/8-speed shifting systems. It features a low profile concept with double servo-pantograph technology that improves adjustability and resists weather and contamination. The rear derailleur always keeps close to the cassette sprockets, allowing smooth and effortless gear changing. Wide link for durability and precise shifting.

Shimano RD-M310 Features

• 7/8-Speed
• Advanced light-action design
• Teflon-coated bushings
• Direct-attach rear derailleurs
• 13t upper and 15t lower pulleys
• Altus 7|8-Speed Direct Attachment
• For 2x10V systems
• Compatible with cassettes 11-42T
• Chain Wrap Capacity: 43teeth, Derailleur Action: Top-Normal (Traditional)
• Derailleur Color: black, Drivetrain Spacing: Shimano/SRAM 8, Largest Cog: 34teeth
• Shifter/Rear Derailleur : Shimano, Speeds: 8sp, Weight: 326g

Shimano RD-M310 Specifications

Rear Derailleur Mount Type	10x1 Standard
Cage Length	Long
Largest Cog	34
Color	Black
Rear Der/Shifter Compatibility	Shimano Mountain
Drivetrain Spacing	Shimano/SRAM 8
Intended Use:	Mountain
Chain Wrap Capacity	43 teeth
Derailleur Action:	Top-Normal (Traditional)

Frequently Asked Questions on Shimano RD-M310

Q: It is compatible with 7 speed

Yes it is compatible with 7 and 8 speed

Q: Will it fit for 11 speed?

No it only for 7 or 8 speed

Q: Where is the jockey wheel?

The jockey wheel is behind the derailleur body.

Shimano RD-M310 Key Highlights

The Shimano Altus rear derailleur features an advanced light-action, long-cage design with Teflon-coated bushings. What sets the Shimano Altus derailleur apart from other rear derailleurs is its unique 13 tooth upper and 15 tooth lower pulleys that provide a 43 teeth chain wrap capacity (more than conventional 11 tooth pulleys) and enable them to rotate with less friction.