There are three basic types of bikes: the road bike, the mountain bike, the hybrid bike, and the other kinds of bikes. This post will only cover hybrid, mountain, and road bikes. Other kinds of bikes might be covered in a later post. There are tons of subcategories under and between all of these main types, but these are the main categories. Road bikes: These bikes are built for riding on roads. They generally have light frames without suspension because of this. They also generally have thin tires for aerodynamics and decreased rolling resistance. Most road bikes have dropped handlebars that offer a multitude of riding positions and positions that are more aerodynamic. Mountain Bikes: Mountain bikes are made for riding off road and on trails. Most types of mountain bikes have suspension to absorb the bounce of riding off or over obstacles. Mountain bikes that only have front suspension or have no suspension at all are called hardta...