How fast do you have to go to jump over 20 feet on a bike?

The speed required to jump over 20 feet on a bike depends on various factors, including the ramp height, angle, and the rider's weight. Generally, a speed of around 15 to 25 mph is needed to achieve such a distance, assuming optimal ramp conditions and technique. Riders must also have good control and timing to maximize their jump distance. Proper training and practice are essential for safety and success in achieving such jumps.