This type of  bike is made to run on road fast, and comfortably as its name. A lot of road races by this type of bike take place in all over the world. It is fastest type of bike on road. It can cruise fast as match as cars, and sometimes speed is reaches about 90 km/h in professional races. It is not only for race, but also is used for tour and fun riding.

This type of bikes is made to run mountain or off-road, so it has more durable frame than other types of bikes. It often has suspensions to reduce shock from ground, and keep tires on ground anytime.Also this type of bikes is used for races. cross-country and down-hill are popular ones.