Use our guide to understand where your tyre width, tyre profile, construction type, rim diameter, load index, and speed rating is located on the tyre sidewall.
Radial is a specific design of tyre where the sidewall and tread functions as two independent features. The layers run radially across the tyre. Advantages of radial tyres include flexible sidewalls, reduced fuel consumption due to less rolling resistance and a softer ride due to layout of the tyre’s plies as well as the flex in the sidewalls.
Tyre manufacturers use their own system for marking run flat tyres, resulting in different abbreviations appearing on the tyre’s sidewall, depending on the tyre brand.
Tubeless refers to ‘run flat’ tyres. Normally a car is supported by the air in the tyres where the tyre collapses when punctured. Run flat tyres have reinforced sidewalls which temporarily hold up the weight of your vehicle when getting a puncture. This allows the vehicle to drive on the flat tyre in order to get to a place of safety or your nearest fitment centre. The distance and max speed you are able to drive on a flat tubeless tyre depends on the tyre brand and tread pattern.
Use the table below to find the load and speed capacity from the markings on your tyres:
| Index | Load(kg) |
|---|---|
| 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 |
| Index | Load(kg) |
|---|---|
| 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 |
| 101 | 825 |
| 102 | 850 |
| 103 | 875 |
| 104 | 900 |
| 105 | 925 |
| Index | Load(kg) |
|---|---|
| 106 | 950 |
| 107 | 975 |
| 108 | 1000 |
| 109 | 1030 |
| 110 | 1060 |
| 111 | 1090 |
| 112 | 1120 |
| 113 | 1150 |
| 114 | 1180 |
| 115 | 1215 |
| 116 | 1250 |
| 117 | 1285 |
| 118 | 1320 |
| 119 | 1360 |
| 120 | 1400 |
| 121 | 1450 |
| 122 | 1500 |
| 123 | 1550 |
| 124 | 1600 |
| 125 | 1650 |
| 126 | 1700 |
| Speed Rating | KM/H |
|---|---|
| F | 80 |
| G | 90 |
| J | 100 |
| K | 110 |
| L | 120 |
| M | 130 |
| N | 140 |
| P | 150 |
| Q | 160 |
| R | 170 |
| S | 180 |
| T | 190 |
| U | 200 |
| H | 210 |
| V | 240 |
| W | 270 |
| Y | 300 |
| (Y) | 300+ |
| Speed Rating | KM/H |
|---|---|
| F | 80 |
| G | 90 |
| J | 100 |
| K | 110 |
| L | 120 |
| M | 130 |
| N | 140 |
| P | 150 |
| Q | 160 |
| R | 170 |
| S | 180 |
| T | 190 |
| U | 200 |
| H | 210 |
| V | 240 |
| W | 270 |
| Y | 300 |
| (Y) | 300+ |
To the casual observer all tyres look alike. Don’t be fooled. Today’s tyres offer a degree of handling, ride comfort, traction, tread wear and fuel economy that far exceeds tyres manufactured just a few years ago. Below are the components of a modern tyre:
Tread
The tread is the part of the tyre that comes in contact with the road surface. The tread is made of thick rubber or rubber/composite compound with a pattern of grooves, lugs, voids and sipes. Every tyre comes with a different tread pattern, unique to that tyre.
Rain grooves
These are needed to channel water away to help prevent aquaplaning.
Lugs
Lugs are the portion of the tread that make contact with the road.
Voids
Voids are spaces between lugs that allow the lugs to flex and flush out water.
Sipes
Sipes are valleys across the whole tyre. They run perpendicular to the grooves and allow water from the grooves to escape to help prevent aquaplaning.
Wear bar
Also known as wear indicators; these raised features at the bottom of tread grooves indicate that a tyre has reached its wear limit. When the tread lugs are worn away enough that the wear bars connect it’s time to replace the tyre.
Bead
The bead connects the rim of the wheel to the tyre. It’s normally strengthened with steel wire. It’s fitted very tightly so the tyre doesn’t shift.
Sidewall
The sidewall is the part of the tyre between the bead and the tread. It is composed of rubber for the most part and strengthened with fabric or steel cords.
Shoulder
The shoulder is the edge of the tread as it begins to transition into the sidewall.
Ply
Plies are cords wrapped in rubber. These prevent the rubber from stretching. The way that plies are laid out in the tyre makes a big difference to its performance.
315/80R22.5 20PR TRIANGLE TR918 OFFROAD
The TR918 is a next-generation severe off-highway service all-position tire. The aggressive tread pattern offers excellent traction and grip for demanding off-highway conditions. This tire features a new-generation tread compound that provides improved tread wear and durability. Additionally, the enhanced casing design helps improve the tire’s toughness and retreadability.
#TyreZim #BuildingTrust #TR918 #TriangleTyres #TriangleTires #TrucksOffRoad #OffHighway #TBR #NewTyres
Waterfalls Branch!
Our Waterfalls branch is fully equipped to help you with all your tyre needs!
Have you visited us recently?
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Wayback Wednesday!
We’ve got a busy month ahead filled with golf days. We hope everyone has been practicing and we can’t wait to see those swings!
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Our Glenara branch is fully stocked and our team are ready to help you!
We have @hoffszim and their scrumptious bagels and coffee waiting just for you! Enjoy a delicious bagel while the TyreZim team caters for your tyre needs.
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We are so excited to share that construction for our newest branch has begun! We can’t wait to take you on this adventure and share more details soon!
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🎉🛞N O W O P E N 🛞🎉
Our Glenara branch is open and ready to assist you! Pop in, we’re at the corner of Glenara and Samora Machel.
We can’t wait to see you!
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We had such a great time sponsoring the Copper Cup Polo Tournament at Umzari Club in Chinhoyi this past weekend.
Congratulations to the winners and runner-ups - it was great to watch everyone play!
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Have you heard about vent spews?
These hair like tyre nibs are there to help make sure there are no trapped gases or air bubbles during the production of tyres.
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