A tire is a ring-shaped structure that surrounds a wheel’s rim to transfer a bicycle’s load, from the axle through the wheel to the ground and to provide traction on the surface over which the wheel travels. Most tires for automobiles and bicycles are inflated structures that also provide a flexible cushion that absorbs shock as the tire rolls over rough surfaces. Tires provide a footprint called a contact patch that is designed to match the weight of the vehicle with the strength of the surface, it rolls over by providing a pressure that will not mark the surface severely.
A bicycle tire consists of three basic elements: the carcass, the bead core, and the rubber tread. Almost all tires have a puncture protection belt.There are three types of tires you can choose from to put on your road bike, though some of this decision depends on the type of wheel one plans to buy. They include clincher tires, tubular tires, and tubeless tires.
Before you attempt fixing a flat tire on a bike, it is helpful to recall yourself with parts of the wheel. The majority of bike wheels you are likely to encounter are comprised of four parts: