With all the components that make up the KM100-A7 KM100 1981 USA CANADA / MPH KPH FRONT HUB/BRAKE assembly. The Washer-plain,10mm is the most frequently specified with two applications.
Parts such as the Front Hub/brake: Oil Seal,tc17317, Cam-brake, Pinion Speedomet 10t, Bolt-upset are included in the Km100-a7 Km100 1981 Usa Canada / Mph Kph Front Hub/brake parts fiche.
The component with the lowest price in the FRONT HUB/BRAKE schematic is the Washer-plain,10mm.