Why Motogp Rider Trains With A Dirtbike Instead Of A Superbike?

Why Motogp Rider Trains With A Dirtbike Instead Of A Superbike? MotoGP bikes are full-race prototypes; Superbikes share the 1,000cc capacity limit but have humble roots, closely based on production models, and furthermore hedged with technical regulations including rev limits. What is the difference between a MotoGP bike and a Superbike? MotoGP bikes are full-race