The most reasonably priced component used on the Ttr125r 2003 5hpf South Africa 1b5hp-100e2 Steering is the Bolt, Flange(8ba).
Some items from this specific schematic: Bearing(4es), Bolt, Flange(3ef), Cover, Ball Race 2, Graphic 1.
This STEERING assembly utilises four Bolt, Flange(3ef)(s) - the highest specified component.