This Tire,rr,180/55zr17(73 is the most expensive of the items that make up this Tires assembly.
Some items from this specific schematic: Balancer-wheel,10g,si, Valve,tire, Balancer-wheel,20g,si, Tire,fr,120/70zr17(58.
In this schematic the "Valve,tire" is used most often.
