A sample from the products for the Tires include: Tire,fr,120/70zr17(58, Balancer-wheel,10g,si, Balancer-wheel,30g,si, Cap.
The Tires assembly is constructed from several parts from which the Tire,rr,190/50zr17(73 is the most expensive.
The component with the lowest price in the TIRES schematic is the Cap.