James Bruton is a serial crazy-contraption inventor, from a Lego longboard to a self-balancing mecanum-wheeled "Screw bike." ...
An electric bike you can fold ... it to fold in seconds. The 20" front makes it stable enough to handle potholes and rough terrain. While the smaller rear wheel tracks easily.
Jumping from a youth dirt bike with an automatic clutch ... 19-inch front and 16-inch rear wheels are employed on the Big Wheel instead of the 17-inch front and 14-inch rears used on the CRF125F.