SunRace RD-R37 Rear Derailleur Short Cage 7Sp.
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Details
6/7-speed road rear derailleur
Composite, aluminum and steel construction
SHIMANO Equivalent RD-A070
Speed: 6/7sp
Max: 28
Wrap: 31
Cage/Mount: Short
Ratio: 2to1
Color: SIL/BLK
Wgt: 282g
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