1>DOT,ECE,GCC,,CCC, ISO9001, TUV, SGS, INTERTEK INSPECTION.ECE,SONCAP,INMETRO marked. 2>Size:28L-26 ... ,19.5L-24,16.9-28,23.1-26 Tyre SizePlyDesignTypeRimSection Width (inch)Over ... 50-1012CRT-101TT5723.5215019351635143526307.00-910CRT-101TT57.4823.23 30007.00-1214CRT-101TT57.5726.88296526702255198036307.00- ... reply ! Farming agricultural tyre(28L-26,19.5L-24,16.9-28,23.1-26)