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

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Product description

M21 Rear Derailleur 6/7 Speed Long Cage

Our line of mountain and trekking derailleurs starts with M21, but that doesn’t mean it’s entry level. Using the same kinematics as our more expensive derailleurs and innovative construction technics, M21 delivers responsive performance in an attainable package.


  • Robust composite and steel construction
  • Compatible with Shimano 6 and 7 speed mountain and road systems
  • Long cage for double or triple 32T setup
Rear Derailleur Mount Type 10x1 Standard
Cage Length Long
Largest Cog 32
Color Black
Rear Der/Shifter Compatibility Shimano Mountain

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