The most expensive part in this assembly is the Tire,fr,2.75-19 43p,t.
Some items from this specific schematic: Spoke-outer,fr,185mmx, Nipple-spoke, Tire,fr,2.75-19 43p,t, Spoke-inner,rr,158mmx.
This WHEELS/TIRES assembly utilises thirty-six Nipple-spoke(s) - the highest specified component.