Parts such as the Front Wheel: Tire,fr(2.75-18), Washer, Washer(5.1x9x0.4), Nut are included in the T20 Tc250 Scrambler 1969 Usa (e03) Front Wheel parts fiche.
The Bolt(6x31) is the lowest priced item on this Front Wheel schematic.
The sub assemblies and components that make up this Front Wheel include this Tire,fr(2.75-18), the most expensive part.
