Combine a self-balancing scooter with a unicycle and you get the Uno Bolt. It uses sensors to maintain balance and is controlled by leaning. It goes up to 22mph and lasts up to 25mi per charge. It has front and rear lights, a rear view mirror and an e-brake/reverse lever.
The idea of riding a bicycle 3400 miles across China is daunting enough, but Ed Pratt did that with one fewer wheel, and carrying his camping gear. In this video, he completes his epic journey as he approaches the Vietnam border. Check out previous episodes from his trip here.