Maybe the fact that I got passed by somebody in jeans put me in a mood, but I just have to rant about the guy riding a gasoline-powered bicycle. He came cruising past me with a lawnmower-sized roar, spewing two-cycle raunchy exhaust all over the place. And you guessed it – he wasn’t pedaling at all. The pedals on that thing have probably never been used. At least I didn’t have to choke on his fumes on the trail. Apparently something is still sacred.
Roots and Spokes 
I never saw the point of those.
I’ve never seen the point of a motorized bike. It’s the worst of a bicycle and a motorbike.