Some items from this specific schematic: Nut 12mm, Axle,fr, Disc,brake, Tube,inner.
On this parts fiche the Bolt(8x30) is the most specified component.
This Front Wheel (gs1000hc, Ec, Hn, En) diagram displays the required parts for the Gs1000e 1979 (n) General Export (e01) Front Wheel (gs1000hc, Ec, Hn, En).