Like the title says, "bicycle" almost everyone has rode it in his or her childhood. Some of us are riding it even now. For fun or due to poverty. The classification is simple. Simple as it seems. Some things in life are taken for granted. We might feel fuller but other may never had it. Going beyond from one's preferences to legitimacy, all things in life are categorized.
No offense but these two wheels gave us life lessons. Remember when you were a kid, and you had your first tricycle and you banged it in wall. After some years, at some point of your growing age, you used to attach...