Parts such as the Handlebar: Washer(6.5x16x4), Cable Assy,clutch, Nut,handle Balancer, Handlebar,l are included in the Gsxr600 2013 (l3) Usa (e03) Handlebar parts fiche.
In this schematic the "Nut,rr View Mirror" is used most often.
This schematic depicts all components used in the Gsxr600 2013 (l3) Usa (e03) Handlebar partslist.