Nebraska Revised Statute 60-121
Chapter 60
60-121.
Minibike, defined.
Minibike means a two-wheel device which has a total wheel and tire diameter of less than fourteen inches or an engine-rated capacity of less than forty-five cubic centimeters displacement or any other two-wheel device primarily designed by the manufacturer for off-road use only. Minibike does not include an electric personal assistive mobility device.