A bicycle, also known as a bike, is a two-wheeled vehicle that most people use now a days for leisure and recreation rather than as a primary transportation. But even though it may only be used for recreation, you would want to purchase the perfect bike that fits you. In the world of bikes, there are a lot of types to choose from that would best fit your biking needs. The 26 mountain bike are classified by function, by number of riders, by construction type, by gearing, by sport, by means of propulsion and by rider position. Studies show that for men, the wrong bike would cause impotence and for women, well, comfort usually goes at the top of the list. This article shows the main differences that you would want to know and consider when purchasing between a road bike and a mountain bike such as suspensions, tires, weight and shape.