microSHIFT M21 6/7 Spd Rear Derailleur

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
• Long cage for double or triple 32T setup

DETAILS:

• Model Name: M21 Rear Derailleur
• Rear Derailleur Mount Type: 10×1 Standard
• Rear Der/Shifter Compatibility: Shimano Mountain
• Cage Length: Long
• Drivetrain Speeds: 6
• Drivetrain Speeds: 7
• Weight: 206
• Color: Black
• Chain Wrap Capacity (teeth): 43
• Largest Cog: 32