The component with the lowest price in the REAR WHEEL schematic is the Bolt,flange,sh 6x10.
The Rear Wheel is made up of components including this Wheel Sub Assy,rr which is the most expensive.
Some items from this specific schematic: Oilseal,34x62.2x7, Bearing,ball Radi, Axle,rr Wheel, Sprocket,final Dr.