The most reasonably priced component used on the Cb1000ra 2010 (a) European Direct Sales / Abs Throttle Body is the Tube,3.5x60.
Some items from this specific schematic: Tube, Pipe Comp.,fuel(b, Clip,brthr Tube, T-joint,fuel.
Of all the components used in this assembly the Throttlebody Assy is the most expensive.