We are manufacturer of inner tube for motorcycle, light truck and passenger cars. All of our products are being exported to over 30 countries all over the world. The sizes of inner tube are as follows: 225-17, 250-17, 275-17, 300-17, 300-16, 250-18, 275-18, 300-18, 400-8, 350-8: 1000-20, 1100-20, 900-20, 825-20, 750-16, 700-16, 600-16, 650-16, 650-14, 600-14: 155/165-13, 175/185-14, rg13, rg14