... 1.3 inch to18 inch 2.Puncture proof natural rubber 3.Manufacturer in China 4.DOT,CCC,ISO,INMETRO,SONCAP ... 1, Strengthen quality: thicken tire and tube, good rubber rate, long life using 2, Low price with a good ... happy.8, we can not only satisfy big order very well, also can design the new products according to customer’s ...