... . 2,Various size inner tube for you to choose. 1, We main produce natural and butyl inner tube and flaps ... bicycle.The datailed information about inner tube is as below.3, I can speak in Russian,English and of course, ... Chinese.Similarly, here, for your choice. SIZE: 28*1 5/8 * 1 3/8 12X1.75-2.125,16X1.75-2.125 ... 2.125,26X1.75-2.125,12 1/2X2 1/4,24X1 3/8,26X1 3/8,27X1 1/4,28X1 1/2,24X1,26X1,26X2X1 ...