A sample from the products for the Rear Wheel include: Tire,rr(dun), Bolt,torx 5x10, Bolt,stud 2,12x25, Dust Seal,37x68x7.
The component with the lowest price in the REAR WHEEL schematic is the Bolt,stud 2,12x25.
On this parts fiche the Bolt,eng Hang B is the most specified component.