5 motorcycles that only got built because a rulebook demanded it. To race these bikes, factories had to sell you one first. That's homologation — and it produced some of the purest race bikes for the road ever made. Which one would you pick to ride home? Drop your #1 below 👇 #homologationspecial #superbikehistory #worldsuperbike #ducati851 #yamahaow01 #kawasakizxr750 #motorcyclehistory #motorcycletop5 #superbike #racingmotorcycles #onelungracing