SunRace RD-M37 SGS Rear Derailleur with Removable Hanger, Direct Mount, 7-Speed, Black

• 6/7-speed MTB rear derailleur
• Engineered polymer and steel construction
• Direct mount with optional hanger included
• SHIMANO Equivalent RD-TY21 / RD-A070

Specifications:

• Model:
• Speed:7sp
• Max:37
• Wrap:37
• Cage/Mount:Long
• Ratio:2to1
• Color:BLK
• Wgt:270g
• Compatibility:
• Swing:
• Fit