shimano RD-TY500 adpt.

shimano,s Tourney long cage,rear,derailleur incorporates advanced shimano,functions and styling that sets the standard for entry level components. Includes frame hanger TY model comes with resin bracket and plate body for reduced weight Zinc plated adjustment screws for corrosion resistance MegaRange compatible Item SpecificationsRear Derailleur Mount TypeDropout Claw HangerRear Der/Shifter Compatibilityshimano,MountainCage LengthLongDrivetrain Speeds6Drivetrain Speeds7ColorBlackkeyword searchReplaces rd8164Chain Wrap Capacity (teeth)43Largest Cog34