Some items from this specific schematic: Collar A,rr.axle, Valve,rim (dunlop, O-ring,50.5x3.5, Washer,special 18.
The Rear Wheel assembly is constructed from several parts from which the Wheel Sub Assy,rr is the most expensive.
thirty components are shown in this St1300 Paneuropean 2004 (4) France Rear Wheel exploded diagram.