The most reasonably priced component used on the Tl125s Trials 1976 Usa Optional Parts is the Bolt,hex., 6x16.
A sample from the products for the Optional Parts include: Plug,spark D-7es, Pedal,gear Change, Bolt, Hex. (8x60), Plug,spark (x22es.
Of all the components used in this assembly the Tire, Rr. (4.00-18) is the most expensive.