Tiny engines. Enormous courage. These five ruled racing's smallest classes. From 50cc screamers to 125cc title fights, we count down the champions who made small bikes legendary—including the man who never said the number thirteen. Who's the greatest small-bike racer of all time? Tell us in the comments. 👇 Follow One Lung Racing for more machines the world tried to forget. Footage credits for every clip are shown on-screen throughout the video. #AngelNieto #12plus1 #AsparMartinez #HughAnderson #50ccRacing #125ccGrandPrix #GrandPrixHistory #RacingLegends #OneLungRacing #MotorcycleRacing