microSHIFT M21 Rear Derailleur - 6,7 Speed, Long Cage, Black

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 Rear Derailleur Mount Type: 10x1 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 Today's Stock Status 10+ Available to ship in 2-4 Business Days UPC: Not available EAN: 4710495436340 Manufacturer Part Number: RD-M21L RD0210 167890-Q0-L