Bicycles and lifeThe bicycle was a truly exciting machine when it was invented over a century ago; it has been improved with each pass. A bicycle has many advantages: it is the most energy-efficient means of transport in the world, it is healthy, non-polluting, economical and safe, but its most unique, exceptional and pleasant quality is that a bicycle is totally staff. The experience is unlike anything you could imagine. you encounter when cycling. As you round the corners, the wind rushing against your face and through your hair, the smells of grass, morning bakeries and evening dew are sensational. By moving your legs regularly and evenly, you create and experience both rhythm and pace. When you bite hard into the pedals, the power and speed you create are entirely yours. The ideal of classical Greek culture was the most perfect harmony between mind and body, so that a human and a bicycle are the perfect synthesis of body and machine, of art, of craftsmanship and technology, the pure joy and vitality of life. It is in the nature of the experience that riders have always sought out the best machines they could build or obtain. However, recent advances in gears, brakes, tires and especially in lightweight materials have been enormous. Compared to those of ten years ago, today's bikes are simply incredible and the demand for quality is greater than ever. The only viable private means of transportation in the world today is the bicycle. The main threat to this assertion is the automobile, which contributed to the industrialization of the world in the 20th century. But the car has already proven its limits. It lacks space and energy resources and is now responsible for serious environmental pollution as well as 250,000 deaths and 10 million injuries worldwide. As the truth emerges that the responsibilities of the automobile outweigh its benefits, industrialized countries are beginning to look for alternatives to the car. One of the main beneficiaries of this awakening is the discovery of the bicycle as an ecologically clean and efficient machine. As for its technological evolution, the bicycle appears at the dawn of a golden age in the Western world. Encouraged by the renewed interest in mountain biking,