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Find out more.Tyre Guide
Tire Sydewall
Components of the Tyre’s Sidewall!
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Product -
1. Product Name -
2. Tyre Size -
3. Safety Warning -
4. Brand Name -
5. Place of Introdution -
6. DOT (Department of Transportation)
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Tyre Size
Tyre spec notation varies according to car model but primarily consists of symbols and numbers denoting tyre width, aspect ratio, diameter, load index and speed symbol that indicate tyre performance.
Safety Warning
This indicates important information related to tyre use.
DOT (Department of Transportation)
| DOT | Department of Transportation |
|---|---|
| 5M | Manufacturer Plant Code |
| RL | Size Code |
| YB | Pattern Code |
| H | Brand Code |
| 3015 | Manufactured Week and Year(WW, YY) 30th week of 2015 |
Sizes & Specs
Terminology and Meanings of Various Parts of a Passenger Tyre!
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205/75ZR15
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1. Tire Section Width (205)
The distance in a straight line between the sidewalls when the tyre is attached to the rim, air pressure has been matched to tyre standards and no weight is on the tyre.
2. Aspect Ratio (75)
The ratio of Section Height to Section Width = (Height) / (Width) X 100
3. Rim Diameter (15)
The distance between the rim bases in contact with the rim flange (almost identical to the tyres interior diameter).
Unit : Rim (inch)
4. Tire Overall Diameter
Tyre interval when the tyre is attached to the rim, air pressure has been matched to tyre standards and no weight is on the tyre.
Load Index
Load Index
Load index shows in codified form the maximum weight that can be supported by one tyre while driving.
For example if the load index is 100 it means that a tyre can support a maximum of 800kg.
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Product -
Load Index
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How much load can your tyre carry?
Enter your tyre’s Load Index in the box and click “OK”
- Load Index Value
(Possible input range: 0 ~ 279) - Kg Value
- 45Kg
Would you like to see it in a table?
Weight According to Load Index
1pound(lb) = 0.4536kg
| LI | Kg |
|---|---|
| 1 | 46.2 |
| 2 | 47.5 |
| 3 | 48.7 |
| 4 | 50 |
| 5 | 51.5 |
| 6 | 53 |
| 7 | 54.5 |
| 8 | 56 |
| 9 | 58 |
| 10 | 60 |
| 11 | 61.5 |
| 12 | 63 |
| 13 | 65 |
| 14 | 67 |
| 15 | 69 |
| 16 | 71 |
| 17 | 73 |
| 18 | 75 |
| 19 | 77.5 |
| 20 | 80 |
| 21 | 82.5 |
| 22 | 85 |
| 23 | 87.5 |
| 24 | 90 |
| 25 | 92.5 |
| 26 | 95 |
| 27 | 97 |
| 28 | 100 |
| 29 | 103 |
| 30 | 106 |
| 31 | 109 |
| 32 | 112 |
| 33 | 115 |
| 34 | 118 |
| 35 | 121 |
| 36 | 125 |
| 37 | 128 |
| 38 | 132 |
| 39 | 136 |
| 40 | 140 |
| 41 | 145 |
| 42 | 150 |
| 43 | 155 |
| 44 | 160 |
| 45 | 165 |
| 46 | 170 |
| 47 | 175 |
| 48 | 180 |
| 49 | 185 |
| 50 | 190 |
| 51 | 195 |
| 52 | 200 |
| 53 | 206 |
| 54 | 212 |
| 55 | 218 |
| 56 | 224 |
| 57 | 230 |
| 58 | 236 |
| 59 | 243 |
| 60 | 250 |
| 61 | 257 |
| 62 | 265 |
| 63 | 272 |
| 64 | 280 |
| 65 | 290 |
| 66 | 300 |
| 67 | 307 |
| 68 | 315 |
| 69 | 325 |
| 70 | 335 |
| 71 | 345 |
| 72 | 355 |
| 73 | 365 |
| 74 | 375 |
| 75 | 387 |
| 76 | 400 |
| 77 | 412 |
| 78 | 425 |
| 79 | 437 |
| 80 | 450 |
| 81 | 462 |
| 82 | 475 |
| 83 | 487 |
| 84 | 500 |
| 85 | 515 |
| 86 | 530 |
| 87 | 545 |
| 88 | 560 |
| 89 | 580 |
| 90 | 600 |
| 91 | 615 |
| 92 | 630 |
| 93 | 650 |
| 94 | 670 |
| 95 | 690 |
| 96 | 710 |
| 97 | 730 |
| 98 | 750 |
| 99 | 775 |
| 100 | 800 |
Speed Symbol
Speed Symbol
Speed symbol indicates the maximum speed at which the weight (with the exception of weight when speed is equal to or exceeds 210 km/h), designated by the manufacturing company can be supported by the tyre.
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Product -
Speed Symbol
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What is my tyres maximum speed?
Enter your tyre’s Speed Symbol in the box and click 'OK'
- Speed Symbol Value
(Possible input range: A1~Z) - Km/h Value
- 5Km/h
Would you like to see it in a table?
Speed According to Speed Symbol
1km/h = 0.621371mi/h
| Code | Km/h | Mph |
|---|---|---|
| A1 | 5 | 3 |
| A2 | 10 | 6 |
| A3 | 15 | 9 |
| A4 | 20 | 12 |
| A5 | 25 | 16 |
| A6 | 30 | 19 |
| A7 | 35 | 22 |
| A8 | 40 | 25 |
| B | 50 | 31 |
| C | 60 | 37 |
| D | 65 | 40 |
| E | 70 | 43 |
| F | 80 | 50 |
| G | 90 | 56 |
| J | 100 | 62 |
| K | 110 | 68 |
| L | 120 | 75 |
| M | 130 | 81 |
| N | 140 | 87 |
| P | 150 | 93 |
| Q | 160 | 99 |
| R | 170 | 106 |
| S | 180 | 112 |
| T | 190 | 118 |
| U | 200 | 124 |
| H | 210 | 130 |
| V | 240 | 149 |
| Z | over 240 | over 149 |
| W | 270 | 168 |
| (W) | over 270 | over 168 |
| Y | 300 | 186 |
| (Y) | over 300 | over 186 |