The Shimano Altus M310 is an affordable but high performing rear derailleur which ideally fits a 7 or 8 speed drivetrain.
1. Less Noise and Wear - Oversize 13/15-tooth tension and guide pulleys to reduce noise and wear - More ground clearance
2. Wide Gear Choice - For use with 28 to 34 tooth low rear sprockets, total capacity 43 teeth - IG and HG chain, 7 or 8 speed compatible
3. Light Action Operation - Extension spring and low-friction fluorine-coated link pivot bushing result in a light shifting action
Available in 2 colors
Top normal spring for use with rapidfire shifters
Direct-attach rear derailleurs
Made of high quality aluminum alloy
Cassette spacing: Shimano/SRAM 8
Chain wrap capacity (teeth): 43 teeth
Pulley: 13t upper and 15t lower
Largest cog (teeth): 34 teeth
Weight (g): 326 g
Package includes: - Shimano RD-M310 Rear Derailleur x 1 (Other accessories are not included)
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Description
This Shimano Altus M310 7/8 Speed 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.
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