| Brand | microSHIFT |
|---|---|
| Mounting Type | Bolt-On |
| Number of Speeds | 7 Speed |
| Part Type | Rear Derailleur |
| Derailleur Cage Length | Long Cage |
Check the listing for details. microSHIFT M21 Rear Derailleur - 6,7 Speed, Long Cage, Black RD-M21L. Condition: New. Listed at 22.90 USD. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs. Long cage for double or triple 32T setup.
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