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Tyre Guide

Tyre Structure Tyre Sidewall Sizes & Specs Load & Speed

Load & Speed

The symbol that shows a tyres performance level consists of two parts: Tyre performance is marked by load index(LI) and speed symbol(SS). LI refers to the maximum weight that one tyre can support and SS refers to the maximum speed that a tyre can handle.

  • Load Index(LI)

    • Load index is a numerical code stipulating the maximum load each tyre can carry. For example, if the load index is 100, it means that a tyre can carry a load up to 800kg.

    • How much weight can your tyres support?
      Enter your tyres load Index in the boxes below and press ‘Enter’.

      Load Index value (possible input range: 0–100)

      =

    • Weight According to Load Index1pound(lb) = 0.4536kg

      LI 1 2 3 4 5 6 7 8 9 10
      KG 46.2 47.5 48.7 50 51.5 53 54.5 56 58 60
      LI 11 12 13 14 15 16 17 18 19 20
      KG 61.5 63 65 67 69 71 73 75 77.5 80
      LI 21 22 23 24 25 26 27 28 29 30
      KG 82.5 85 87.5 90 92.5 95 97 100 103 106
      LI 31 32 33 34 35 36 37 38 39 40
      KG 109 112 115 118 121 125 128 132 136 140
      LI 41 42 43 44 45 46 47 48 49 50
      KG 145 150 155 160 165 170 175 180 185 190
      LI 51 52 53 54 55 56 57 58 59 60
      KG 195 200 206 212 218 224 230 236 243 250
      LI 61 62 63 64 65 66 67 68 69 70
      KG 257 265 272 280 290 300 307 315 325 335
      LI 71 72 73 74 75 76 77 78 79 80
      KG 345 355 365 375 387 400 412 425 437 450
      LI 81 82 83 84 85 86 87 88 89 90
      KG 462 475 487 500 515 530 545 560 580 600
      LI 91 92 93 94 95 96 97 98 99 100
      KG 615 630 650 670 690 710 730 750 775 800
  • Speed Symbol(SS)

    • Speed Symbol indicates the maximum speed at which the weight (with the exception of weight when speed is equal to or exceeds 210km/h) designated by the manufacturing company can be supported by the tyre.

    • How much speed can your tyres support?
      Enter your tyres code below and press ‘Enter’.

      Tyre Code[possible input range: A1~Z]

      =

    • Speed according to speed symbol1km/h = 0.621371mi/h

      speed rating
      Code km/h mph Code km/h mph
      A1 5 3 L 120 75
      A2 10 6 M 130 81
      A3 15 9 N 140 87
      A4 20 12 P 150 94
      A5 25 16 Q 160 99
      A6 30 19 R 170 106
      A7 35 22 S 180 112
      A8 40 25 T 190 118
      B 50 31 U 200 124
      C 60 37 H 210 130
      D 65 40 V 240 149
      E 70 43 Z over 240 over 149
      F 80 50 W 270 168
      G 90 56 (W) over 270 over 168
      J 100 62 Y 300 186
      K 110 68 (Y) over 300 over 186