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Description
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.
Product Details:
- Compatible with Shimano 6- and 7-speed mountain and road systems
- Robust composite and steel construction
Specifications:
- Cage Length: Long
- Chain Wrap Capacity (teeth): 43
- Color: Black
- Drivetrain Speeds: 6
- Drivetrain Speeds: 7
- Largest Cog: 32
- Rear Der/Shifter Compatibility: Shimano Mountain
- Rear Derailleur Mount Type: Dropout Claw Hanger
- Weight: 316
- UPC: 4710495436357
- MPN: RD-M21LA
