The smallest pit bikes, such as a 50cc can go about twenty five mph (or much less if they've got a limiter), although the quickest designs can go 60+ mph. The top velocity generally depends on how potent the motor is and exactly what the transmission and gearing are set https://kameronnjaan.tkzblog.com/37798900/fascination-about-are-electric-unicycles-legal-in-the-uk