Bar PSI 6.00R9 109/108F 8.0 116 195/55R10C 98N 6.2 90 145/80 B 10 74N 2.5 36 145/80R10 4PR 68S 2.2 32 145R10 4PR 68S 2.5 36 145R10C 8PR 84/82N 4.5 65 20.5x8-10 4PR 77M 2.5 36 225/75R10 142A5 8.0 116 155/70R12 100/98N (104/102J) 6.2 90 155/70R12 104/102N 6.2 90 155/70R12 104/102N 6.5 94 185/60R12 104/102N 6.5 94 195/60R12 104/102N 6.5 95 195/50R13 104/102J (100/98N) 6.5 94 195/50R13C 8PR 104/102N 6.5 94 145/70R13 4PR 78N 3.2 47 145/70R13 4PR 84N FRT 3.7 54 155R13 4PR 79S or T or 78S 2.4 35 155R13C 8PR 90/88N 4.5 65 165R13 4PR 83Q 2.7 39 165R13C 6PR 91/89N,QorR 3.7 54 165R13C 8PR 94/92N (96N FRT) 4.5 65 185/70R13C 106/104N 6.0 87 185/70R13C 106/104J 6.0 87 175R13R 89R 3.1 45 175R13 4PR 86S or T 2.5 36 6.70-13C 6PR 95/93L 3.5 51 175/75R16C 101R (104N FRT) 4.8 69 6.00-16C 6PR 97/94L 3.6 52 6.00-16C 10PR 103/101J 5.0 73 6.00R16 10PR 103/101L 5.0 73 6.00-16C 8PR 98/97L 4.0 58 6.50R16C 10PR 108/107P 5.0 73 10R17.5 134M 8.0 116 Obsolete Tyre Size Load / Speed Index Pressure Important Notice: Please use this as a guide only. Before inlflating any tyre always check the PSI on the tyre itself.