TBR TYRE F899 Size Ply Rating Speed Symbol Standard Rim Inflation Pressure Maximum Load Inflated Section Width Inflated Overall Dimeter O.T.D 11.00R20 18 K 8.00 930/930 152/149 293 1085 19.0 12.00R20 20 K 8.50 830/830 156/153 315 1125 19.0