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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.
Specs: | |
---|---|
Rear Derailleur Mount Type | 10x1 Standard |
Cage Length | Long |
Largest Cog | 32 |
Color | Black |
Rear Der/Shifter Compatibility | Shimano Mountain |