The 07120-0820b is the cheapest item from this partsfiche.
Parts such as the Frame: Rail,seat,l(black), Bracket,pillion Seat, Frame(black), Bridge,seat Rail Upr are included in the Gsxr600 2007 (k7) Usa (e03) Frame parts fiche.
The Bolt,seat Rail is the most widely applied product in the GSXR600 2007 (K7) USA (E03) FRAME ( four times ).