www.ulstergrandprixsupporters.co.ukMoto gp : its refers to the premier category of motorcycle grand prix currently divided into three distinct classes: 125 cc, 250 cc and MotoGP. Grand prix motorcycles are purpose-built racing machines that are neither available for general purchase nor can be legitimately ridden on public roads; this contrasts with the various production categories of racing, such as World Superbike, that feature modified versions of road-going motorcycles available to the public.
