A bicycle is a triple-purpose vehicle. It can be a piece of sports equipment, and here, this issue is beyond my competence and interests. If you are involved in cycling, your coach and sports medicine doctor will tell you everything you need better than me, and this article will be insufficient and, perhaps, will seem like nonsense to you. I believe that sport is harmful, although physical education is valuable. If most athletes look healthy, it is not because they are athletes.