Shimano Tourney RD-TY500 6/7s Rear Derailleur Direct AttachmentThe Shimano Tourney RD-TY500 6/7s Rear Derailleur brings you the magnificently efficient shifting using the Double servo-panta mechanism. This shifting system allows the derailleur to move laterally as well as horizontally to reduce the amount of play that is actually generated while shifting. This allows the derailleur to be used for long periods of time without needing to be adjusted. There is a wheel type cable guide pulley. There is a pre-assembled inner cable fixing nut.689228393691
