The Bolt,upset-wp,6x16 is the lowest priced item on this Swingarm schematic.
Some items from this specific schematic: Nut,lock,flanged 10mm, Sleeve,10.1x18x32, Arm-comp-swing,p.silv, Bolt,socket,10x67.
The forty Zg1400b9f Concours 14 2009 Usa Swingarm component parts are all listed in this schematic.