The Shimano Tourney RD-RZ500-GS Rear Derailleur can handle wide range gearing and 28 tooth sprockets. The 11 tooth pulleys offer long service life and less noise. Wheel type cable guide provides super light shifting action and clean cable routing. Built-in frame hanger.

Details:
Rear Derailleur Mount Type: Dropout Claw Hanger
Drivetrain Speeds: 6 , 7
Cage Length: Long
Chain Wrap Capacity (teeth): 34t
Largest Cog: 28t
Rear Der/Shifter Compatibility: Shimano Mountain