On this parts fiche the Seal Set,piston is the most specified component.
Parts such as the Front Brake Caliper (cm/dk/ed): Brkt Sub Assy,l F, Retainer, Pin,hanger, Plug,pin are included in the Xr650r 2002 (2) European Direct Sales Front Brake Caliper (cm/dk/ed) parts fiche.
The Bolt,flange,8x40 is the cheapest item from this partsfiche.