The component with the lowest price in the FRONT WHEEL schematic is the Dust Seal,23x37x7.
A sample from the products for the Front Wheel include: Wheel Sub *type1*, Bolt, Brake Disk, 8x24 , Disk,fr Brake, Dust Seal,40x50x5.
The Front Wheel is made up of components including this Wheel Sub *type1* which is the most expensive.