With a quantity of four pieces, the Cushion,handlebar is the most used part in the HANDLEBAR diagram.
Some items from this specific schematic: Screw(6x110), Mirror Assembly,rear View, Cushion,handlebar, Nut.
The Vz800 Marauder 2002 (k2) Usa (e03) Handlebar consists of twelve pieces with the Handlebar being the most expensive.