On this parts fiche the Valve,tire is the most specified component.
The Tires is made up of components including this Tire,rr,200/50zr17(75 which is the most expensive.
A sample from the products for the Tires include: Balancer-wheel,10g,si, Valve,tire, Balancer-wheel,20g,si, Balancer-wheel,30g,si.