A guide to the world of cycling, which covers everything from mountain biking to the Tour de France. It shows you what different types of competitive cyclists wear, how they train, and what rules they must follow. It also features information about road cycling, including hints, tips and vital safety precautions. A guide to the world of cycling, which covers everything from mountain biking to the Tour de France. It shows you what different types of competitive cyclists wear, how they train, and what rules they must follow. It also features information about road cycling, including hints, tips and vital safety precautions.