The Bolt, Flange(4du) is the cheapest item from this partsfiche.
The fifteen Tz125 2000 4jt7 Japan 104jt-100e1 Front Wheel component parts are all listed in this schematic.
Some items from this specific schematic: Cast Wheel, Front, Nut, U(4jt), Spacer, Bearing, Balancer, Wheel.