Shimano RD-M310 Altus 7/8 Speed Rear Deraileur SGS 7 Speed Twenty-five years later

Twenty-five years later

which means that you and your bike's drivetrain will stay clean of road muck and grime

to keep your stuff protected

All of these features allow you to devote your attention to your tour and the beautiful sights to see along the way

Shimano RD-M310 Altus 7/8 Speed Rear Deraileur SGS 7 Speed Twenty-five years laterAltus mountain bike rear derailleur with light action operation and over size pulleys for a wide gear choice Oversize 13 15 tooth tension and guide pulleys to reduce noise and wear Extension spring and low friction fluorine coated link pivot bushing result in a light shifting action Top normal spring for use with Rapidfire shifters IG and HG chain, 7 and 8 speed compatible For use with 28 to 34 tooth low rear sprockets, total capacity 43 teeth