regulations

So, I was riding my motorized bike the other day in town in Vermont, obeying all traffic laws when I was stopped by the local cops. I was told that my Motorized Bike needed to be registered, inspected and insured to be used on public roads. It looks like under a 2010 DMV rule that created a...

Hi, I hold an american drivers licence and I am moving to Berlin. Before I move I am installing a motor kit into my bicycle. I have a few questions regarding laws to ride it in public roads. 1) Should I get a 50 cc or 80 cc? 2) Since I have a drivers licence already what else will I...