On this parts fiche the Bolt,flange,8x45 is the most specified component.
The Handle Pipe/top Bridge assembly is constructed from several parts from which the Bridge,fork Top is the most expensive.
Parts such as the Handle Pipe/top Bridge: Guide Comp.,brk H, Bolt,flange,dr,8x, Holder,b2 Handle, Bolt,flange,8x45 are included in the Xr250r 1993 (p) Canada / Cmf Handle Pipe/top Bridge parts fiche.