Dutch cargo bicycle demo

San Francisco, CA. Awesome and useful machine.
A standard 21 speed mountain bike with a front wheel mounted Bike Motor Parts bracket. The motor I am using is a Mitsubishi TLE33 two stroke 33cc gazoline engine.
Maintaining your bike is critical in cycling. Learn how the pros take care of their beautiful bikes in this video.
Safety is an important element of cycling. In this video, learn how to choose the proper bike helmet for safety.
1974 Schwinn Continental Single speed that I have converted to a single speed. Feel Free to tell me what u think I could do to improve on this idea.