The Bolt,8x28 is the most widely applied product in the KZ1300A3 1981 USA CANADA FRONT WHEEL/HUB ( fourteen times ).
The Front Wheel/hub assembly is constructed from several parts from which the Solid Wheel Assy,frnt is the most expensive.
Parts such as the Front Wheel/hub: Collar,l=50, Collar,17x25x43, Oil Seal,bjn30427-c3, Solid Wheel Assy,frnt are included in the Kz1300a3 1981 Usa Canada Front Wheel/hub parts fiche.