In this schematic the "Rubber,seat Sett." is used most often.
Parts such as the Seat: Seat Assy.main, Rubber,seat Sett., Collar,setting, Bolt,flange,6x14 are included in the Vt1100c3 Shadow Aero 2000 (y) Canada / Cmf Seat parts fiche.
This Seat Assy.main is the most expensive of the items that make up this Seat assembly.