Some items from this specific schematic: Seal,oil(28x47x7), O Ring(d:2.5,id:13.8), Lever,rr Brake Cam, Sprocket,rr(nt:42).
The sub assemblies and components that make up this Rear Wheel (gn125ev/ew/ex) include this Wheel,rr(2.15x10), the most expensive part.