| Brand | microSHIFT |
|---|---|
| Model | RD-M21S |
| MPN | RD-M21S |
| Number of Items | 1 |
| UPC | 4710495436364 |
Check the listing for details. microSHIFT M21 Rear Derailleur - 6,7 Speed, Short Cage, Black. Condition: New. Listed at 18.37 USD. 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 Product Specifics Largest Cog: 34 Rear Der/Shifter Compatibility: Shimano Mountain Rear Derailleur Mount Type: 10x1 Standard Drivetrain Speeds: 6 Drivetrain Speeds: 7 Chain Wrap Capacity (teeth): 39 Cage Length: Short Color: Black .
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