Shimano's Tourney long cage rear derailleur incorporates advanced Shimano functions and styling that sets the standard for entry level components. FEATURES: TY model comes with resin bracket and plate body for reduced weight Zinc plated adjustment screws for corrosion resistance MegaRange compatible Includes frame hanger SPECS: Largest Cog: 34 Rear Derailleur Mount Type: Dropout Claw Hanger Chain Wrap Capacity (teeth): 43 Cage Length: Long Rear Der/Shifter Compatibility: Shimano Mountain Drivetrain Speeds: 6 or 7