microSHIFT M21 Rear Derailleur - 6,7 Speed, Long Cage, Black

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M21 rear derailleurs are designed to work with 6, 7, 8-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, 7, 8-speed mountain and road systems
  • Long cage for double or triple 32T setup
  • MPN: RD-M21L
  • UPC: 4710495436340
  • Rear Derailleur Mount Type10x1 Standard
    Drivetrain Speeds6,7
    Cage LengthLong
    Chain Wrap Capacity (teeth)43teeth
    Largest Cog32
    Rear Der/Shifter CompatibilityShimano Mountain
    SKU: RD0210