... Our certificate is ECE,DOT,CCC and so on nner Tube 4.00-8 1. High quality and competative price2. Outstanding gas ... as follows:250-4, 300/350-4, 350/410-4, 350-5, 350-6, 300-8, 300-10, 350-8, 350-10, ... 400-5, 400-6, 400-8, ... , 175/185-15, 600/650-14, 7.00-14, 7.00-16, 7.50-16, 225/250-17, ... 12, 120/70-12 etc. natural and Butyl inner Tube 4.00-8 tube