microSHIFT M21 Rear Derailleur - 67 Speed Long Cage Dropout Claw Hanger Black

$11.99 $12.99

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.

  • Robust composite and steel construction
  • Compatible with Shimano 6- and 7-speed mountain and road systems
  • Long cage for double or triple 32T setup