response: Did you know there are around 1 billion bicycles worldwide?
original_response: Your not alone I think something like one billion people current bike.
history: Man, I just got back from a bike ride earlier today. Has to be one of my favorite ways to supersize Well, that's good. So, do you bike mostly for exercise, or also for recreation or sport? It's for exercise, but mostly for recreation. I predominately road bike on prairie paths.
knowledge: Bicycles were introduced in the 19th century and now number approximately one billion worldwide.