The most common style of bicycle, the Mountain bike makes up about 1/3 of the total bicycle market. Invented in the 1970's, the Mountain bike has quickly supplanted the Road bike in general popularity.
Mountain bikes are built for off-road riding and are known for their upright riding style, cleated tires and suspension systems. The popularity of Mountain bikes has given rise to several sub-categories of Mountain bikes including:
While Mountain bikes are very popular, many of the models are designed for the hard core racer or bike enthusiast, though the less-expensive models are designed for the casual bike enthusiast.