Shimano Altus M310 Rear Derailleur 7 / 8 Speed Mech Direct Mount

Description Shimano 7 / 8 Speed Rear Mech   Altus 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     For further technical information or any questions please contact us using the details below our address