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microSHIFT
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M21 Rear Derailleur
M21 Rear Derailleur - 6/7 Speed, Super Short Cage, Dropout Claw Hanger, Black
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M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs.
M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs.
