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Komatsu Loader Differential in Idaho - Whether you're in the market for stick cylinders, swing bearings, idlers, undercarriages, or any other part for your machines, our Idaho sales team can help. We have developed our international popularity through remarkable customer support. "Pneumatic" is a Greek term for "spirit". "Pneuma" means something that is filled with air. The majority of tires you see or use today are more than likely pneumatic tires. In fact, most private motor vehicles and modern commercial transportation can not work without pneumatic tires. Webster's on-line dictionary defines pneumatic tires as tires which are manufactured from reinforced rubber and could hold compressed air. Any tire which needs air pressure to hold its shape is considered to be a pneumatic tire. The Irish surgeon John Boyd Dunlop has been credited to inventing the pneumatic tire. He developed the first practical pneumatic bicycle tire in 1888. During the year 1895, the Michelin brothers Édouard and André, the Michelin brothers were the first ones to use pneumatic tires on a car during a race. Pneumatic tires are constructed of bands of corded or plys fabric. These plys are coated with rubber in order to hold air pressure. Bias ply tires have the plys overlaid at a particular angle to the other layers. Radial tires have all plys laid at 90 degrees to the casing or tire body. Inside tube tires, there are a type of rubber inner tube to be able to hold the air pressure. Motorcycle tires on spoke rims, bicycle tires and older bias ply truck and car tires utilize inner tubes. Tubeless tires have a stiff bead on the edges of the sidewall that forms an airtight seal with the wheel. This kind of tire does not need an inner tube.