Decades ago, when the Beatles and the Beach Boys topped the charts, the cool kids rode banana bikes. With their long, low-slung seats and high-rise handlebars, they evoked the Harley—a set of wheels with attitude.
Nowadays, throttle-assisted e-bikes are all the rage. Any day after school lets out, you’ll see kids whizzing around on them in Fairfax and other Marin County towns, often with two people aboard. Showboats pop wheelies. With their rugged look and…