The purpose of this web page is to provide you, the reader, with a basic knowledge of the physics behind the sport of mountain biking. This sport is enjoyed by millions of people throughout the year, and is attracting more and more people everyday. Physics plays a vital role in this sport and without it; mountain biking would have no challenges and would cease to exist. The concept of mountain biking is simple. Just take your primative bike riding skills, and ride trails found off the beaten path. From this notion of riding a bike, an Olympic sport has evolved and many people have found meaning and joy in their lives.