Stan Horwitz wrote:
> You mean that young children and the elderly can ride a bike at 15MPH? I
> don't think so. What about those who have to carry their belongings? Not
> everyone can ride a bike fast with a heavy backpack strapped to them,
> and a lot of people (such as me) do not even have a bike handy.

I had a bike with a speedometer on it and riding a bike at 15 MPH is
what I would call a leisure pace. Anything slower than that and you
have to work harder to keep the bike balanced.