4.80/4.00-8" TIRE AND INNER TUBE SET: This set contains two 4.80/4.00-8 outer tires and two 4.00-8 inner tubes. NON-LEAKING INNER TUBE: The inner tubes are made of premium natural rubber. The thicker rubber absorbs impact better and is less likely to be punctured, Fitted with an upgraded inflation valve, Thicker valve seat to prevent the tearing of the Inflation port.
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