Check out this article on the design of it on Motorcylcemojo. Ben had some help from a few companies after selling his idea to them, but all they really did is give him some of the necessary components like the body, wheels, and the complex gyros to balance the cycle…
motorcyle with one wheel
Invented by an 18 year old from Canada - Ben Gulak , the UNO is a one wheel motorcycle that truly balances out. Right now there are 3 working prototypes. It only has one switch which is the power switch! To go forward you push your body weight forward to tilt the machine. To back up, just lean back. The farther you lean the faster it goes. Whats more is that this bike is electric so its more eco friendly.