The indicator of the tyre's tread wear: the location and decoding

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2019-08-11 23:20:22

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All motorists know that to save the life of the engine need time to change consumables. These include oil and filters. But also do not forget that, in addition to the oils, the list "consumables" includes the tires. However, if the first change clearly according to the regulations, the tyres go at everyone on a miscellaneous. Wear is influenced by many factors. But how to determine that the tire needs replacement? For that smart manufacturers should consider the wear indicator of the tire tread (Nokian is not an exception). What is it and where is this indicator? All this and not only do we tell you in our today's article.

Why is this important?

The Main characteristics of any tyre is determined by the shape and height of her protector. It is the latter affects the traction (and therefore the whole car) with the road. Also the height of the tread influences the quality of drainage of mud and water. Thus, due to the pattern and its thickness provides better contact with the road surface.

indicator of the tyre's tread wear

But tires are subjected to constant wear and tear. After some time (driving more than 80 thousand kilometers), the thickness of the protector is reduced in several times. Why is it important to look at the wear indicator of the tire tread? If the height of the pattern is reduced, this leads to aquaplaning. When hitting the wet coating disappears the tire contact with the road and the driver losing control. As for winter tires, the problem here is different. On bald tires hard to leave the snow drifts. Also significantly increases the stopping distance. This could be the cause of the accident.

What is the norm?

There is a certain procedure that is specified in the Rules of the road. So, for motorcycles the minimum thickness of the tread is 0.8 mm. The trucks this figure a bit more and is exactly one millimeter. As for cars and vans, do not operate the vehicle with a tread depth less than 1.6 mm. These rules apply in all CIS countries. In violation of them, a penalty in the amount of five thousand rubles.

To make the driver easier to navigate, the manufacturer gets a special indicator of the tread wear of the tire.

Where is it?

It is a part of the tread and located in the recess between the sticks. This applies to all tires, whether it's the products of KAMA, "Michelin" or Bridgestone. The wear indicator of the tire tread may differ only in their form. Some manufacturers assign a separate piece, which is divided into several parts. Each different thickness.

indicator tread wear tires nokian

For Example, the height of the wear indicator tire tread L-5s winter can be eight, six and four millimeters. Summer is often used as a proxy a convex strip. Its thickness is typically about two millimetres.

Types

At the moment there are several types of tread wear indicators tires:

  • Surround. Are a convex risk that is in the groove of drawing.
  • Digital. It is stamped in the tread figures with different thickness. Often applied to winter tyres models.
  • Strokes. Have different depths. Strokes are also located in the grooves of the tread.

The Most simple indicator of the tyre's tread wear – volume. How does it work? As abrasion of the tread, the indicator is fused together with pattern. This suggests that tire wear is critical. It needs to be replaced. On some models, in addition to basic, there are intermediate indicators. They warn the driver that the height of the pattern decreased and soon the tire will require replacement. But usually, this bus can be operated for another 20 to 25 thousand kilometers.

indicator of the tyre's tread wear Kumho

As for digital, they have two degrees of depth. This is the highest figure that is used here – 8. It informs the driver that the tread is not less than eight millimeters. This designation may be on a winter or summer tire. But the critical indicator, wear has a different value depending on the season. So, the smallest number on summer tires is two millimeters. And winter – four. But experts say that the winter tyre should be changed even when the thickness of the tread is 5-6 mm. Yes, to ride on such tires no ban. But the quality of contact with the road (especially if it isloose snow) will be questionable.

indicator of the tread wear of the tire Nokian

Tip: if the wear of the winter tires is nearing critical, you should carry snow chains. So you can easily travel from the snow captivity.

Digital display of the tyre's tread wear "Kumho" may have other designations. Instead of a single apply double figures. They talk about the percentage of tread that is also very convenient.

Number form

Usually on the same tyre is used six wear indicators. They are located at the same distance from each other, uniformly throughout the circumference of the wheel. The location of the indicator may inform the special marking. It is applied in front of a label in the shoulder area of the tire. Also note that the form of indicators can be different:

  • Snowflake. It is an indicator of the tyre's tread wear “Nokian” that is used in the winter. On summer tires, this designation is not used.
  • Triangle. Found on the summer tires of different brands. Can go with the abbreviation TWI. This triangle is directed in the upper end side of the protector. Can have different degrees of thickness depending on the brand and model of tyre.
  • Brand logo. A striking example can serve as a figure of Bibendum French tire “Michelin”.
indicator tread wear tires bridgestone

Is the number of indicators is done for the convenience of determining the wear of the tyre. Find out how much “bald” tyre, in any position of the wheel.

Conclusion

So, we have found that this indicator of tire wear and what species it is. We should not ignore the testimony of these labels. They allow time to warn the driver about the impending replacement of tires. Of course, buying a new set of tires will greatly affect the budget of any car owner. But we must remember that the tyre is – is primarily a safety. It is not necessary to save, buying second-use, half-bald tire.


Article in other languages:

AR: https://tostpost.com/ar/cars/18859-the-indicator-of-the-tyre-s-tread-wear-the-location-and-decoding.html

BE: https://tostpost.com/be/a-tamab-l/35987-ndykatar-znosu-pratektara-shyny-razmyashchenne-rasshyfro-ka.html

PL: https://tostpost.com/pl/samochody/37476-wska-nik-zu-ycia-bie-nika-opony-lokalizacja-i-obja-nienia.html

PT: https://tostpost.com/pt/carros/37260-o-indicador-de-desgaste-da-banda-de-rodagem-do-pneu-localiza-o-e-a-des.html

TR: https://tostpost.com/tr/arabalar/32730-a-nma-g-stergesi-lastik-s-rt-yer-ve-zme.html

UK: https://tostpost.com/uk/avtomob-l/36546-ndikator-znosu-protektora-shini-roztashuvannya-rozshifrovka.html

ZH: https://tostpost.com/zh/cars/10634-the-indicator-of-the-tyre-s-tread-wear-the-location-and-decoding.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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