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Bike Tyre Size Guide

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  • Tyre Width

    3.00 indicates that the width of the tyre is (3.00 * 25.4mm = 76.2 millimeters). 

  • Tyre Construction

    For these kinds of nomenclature, it is to be understood that the aspect ratio is 100%. Sidewall height of the tyre is of same size as that of width. 

  • Tyre Rim

    18 indicates the Diameter of the wheel rim

  • Load Index

    52 indicates Maximum Load Capacity of the tyre. Please refer Load Index table. 

  • Speed Symbol

    P is the Speed Symbol and it indicates at which speed this tyre can be safely operated. Please refer Speed Symbol table. 

  • Tyre Pattern

    GRIPP X3 is the name of the pattern. 

Tyre Load Index Ratings

Index 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
kg 80 82.5 85 87.5 90 92.5 95 97.5 100 103 106 109 112 115 118 121 125

 

 

 

Index 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
kg 126 132 136 140 145 150 155 160 165 170 175 180 185 190 195 200 206

 

 

 

Index 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69
kg 212 218 224 230 236 243 250 257 265 272 280 290 300 307 315 325

 

 

 

Index 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84
kg 335 345 355 365 375 387 400 412 425 437 450 462 475 487 500

 

 

 

Index 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
kg 515 530 560 580 600 615 630 650 670 690 710 730 750 775 800

 

 

 

Index 100 101 102 103 104 105 106 107 108 109 110 111 112 113
kg 825 850 545 875 900 925 950 975 1,000 1,030 1,060 1,090 1,120 1,150

 

 

 

Index 114 115 116 117 118 119 120 121 122 123 124 125 126
kg 1,180 1,215 1,250 1,285 1,320 1,360 1,400 1,450 1,500 1,550 1,600 1,650 1,700

Tyre Speed Symbol Ratings

Index B C D E F G J K L M N P
km/h 50 60 65 70 80 90 100 110 120 130 140 150

 

 

 

Index Q R S T U H V (V) W (W) Y
km/h 160 170 180 190 200 210 240 >240 270 >270 300

 

 

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