SunRace RD-R37 SS Direct Mount Rear Derailleur, 6/7-Speed, Silver/Black

• 6/7-speed road rear derailleur
• Composite, aluminum and steel construction
• SHIMANO Equivalent RD-A070

Specifications:

• Model:
• Speed:6/7sp
• Max:31
• Wrap:31
• Cage/Mount:Short
• Ratio:2to1
• Color:SIL/BLK
• Wgt:282g
• Compatibility:
• Swing:
• Fit