The smallest pit bikes, like a 50cc can go about 25 mph (or less if they have got a limiter), although the swiftest versions can go sixty+ mph. The top speed predominantly is dependent upon how potent the motor is and what the transmission and gearing are put in place https://go-off-road-barnsley-bike18405.blog-kids.com/38313045/the-5-second-trick-for-uk-electric-unicycle