Check out any of the twenty-four Handle Pipe - Top Bridge components enlisted.
Some items from this specific schematic: Cap,socket Bolt, Bolt,flange 6x14, Pipe,l.strg.hndl., Bolt,socket,7x55.
The most reasonably priced component used on the Cbx1000 Supersport 1979 (z) France Handle Pipe - Top Bridge is the Screw,cross,5x16.
