microSHIFT M21 Rear Derailleur - 6,7 Speed, Long Cage, Dropout Claw Hanger, 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 Long cage for double or triple 32T setup Includes frame hanger attachment Color: Black Largest Cog: 32 Rear Derailleur Mount Type: Dropout Claw Hanger Chain Wrap Capacity (teeth): 43 Cage Length: Long Rear Der/Shifter Compatibility: Shimano Mountain Drivetrain Speeds: 6 , 7 Weight: 316