Inner Tube - Standard - 2.25-14 | 2.50-14 - TR-4Caracteristicas: Each tube is individually boxed with a full range of sizes and valve stem types clearly marked on each box end "Real butyl tubes" made from 100% butyl polymer, unlike other "butyl" tubes, which are blended butyl polymer and natural rubber 100% butyl tubes minimize natural air leakage and maintains air pressure for longer period of time Manufactured to the highest quality as approved by all the Japanese motorcycle manufacturers All