Complex sentence: The most expensive motorcycle in the world is the Dodge Tomahawk, of which only ten examples have been made at a cost of $550,000 (£342,554 in 2010) each.
Split into simpler sentences: The most expensive motorcycle in the world is the Dodge Tomahawk. Only ten of the Tomahawks been made at a cost of $550,000 (£342,554 in 2010) each.