Natural rubber tire tubes, as the name suggests are made up of natural rubber. It is used because it disperses heat in an efficient way. It also matches the wrinkles of the tire in a very good manner. It is also not weak as is the case with tubes made of butyl. Wheel plugs, wheel spacers, wheels weights are some of the other auto parts that are related to these tires and tubes. Natural rubber tire tubes provide excellent performance and also last for a long time because they are very less prone to wear and tear. No wonder, they are expensive, price varying from $90-$140. China, Hong Kong, and Taiwan are the major manufacturers and Europe, Africa, and South America are the major exporters.