Parts such as the Tire: Rim,fr,1.60x21, Wheel-sub Assy,fr, Tire,fr,80/100-21 51m, Wheel-sub Assy,rr are included in the Kx250-h1 1990 Europe Uk Al As Tire parts fiche.
The Tire is made up of components including this Wheel-sub Assy,fr which is the most expensive.
In this schematic the "Spoke-inner,fr,230mmx" is used most often.