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Shimano - RR MECH Altus M310 8spd BK

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Product Details
RD-M310 Altus rear derailleur,SGS, black 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
Manufacturer's Part Number SHIMDER04
Colour Black
Derailleur Length Short
Max Sprocket Min. 28 teeth Max. 34 teeth
Smallest Sprocket Min: 11 teeth Max: 14 teeth