{"id":99,"date":"2016-09-21T13:23:36","date_gmt":"2016-09-21T13:23:36","guid":{"rendered":"http:\/\/www.pneus-online.fr\/mag\/?p=99"},"modified":"2026-07-21T11:08:48","modified_gmt":"2026-07-21T09:08:48","slug":"assess-the-condition-of-the-tyres","status":"publish","type":"post","link":"https:\/\/www.pneus-online.fr\/mag\/en\/evaluer-letat-de-pneus\/","title":{"rendered":"How to check the condition of your tyres?"},"content":{"rendered":"<h1>How to check tyre wear?<\/h1>\n<p class=\"isSelectedEnd\">Checking the condition of one's tyres is essential. Indeed, worn tyres reduce grip and increase braking distances. They also present more risks on a wet road.<\/p>\n<p class=\"isSelectedEnd\">It is not necessary to check your tyres every day. However, regular checks remain essential. Remember to do so in particular before a long journey or during <a href=\"https:\/\/www.tyres-pneus-online.co.uk\/pressure-car-advice.html\">tyre pressure monitoring<\/a>.<\/p>\n<p>Several methods make it easy to measure tyre wear.<\/p>\n<p><strong><br \/>\n<\/strong><a href=\"http:\/\/mag.pneus-online.fr\/wp-content\/uploads\/2016\/09\/pneu.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-100\" src=\"http:\/\/mag.pneus-online.fr\/wp-content\/uploads\/2016\/09\/pneu.jpg\" alt=\"tyre\" width=\"615\" height=\"409\" srcset=\"https:\/\/www.pneus-online.fr\/mag\/wp-content\/uploads\/2016\/09\/pneu.jpg 615w, https:\/\/www.pneus-online.fr\/mag\/wp-content\/uploads\/2016\/09\/pneu-300x200.jpg 300w\" sizes=\"auto, (max-width: 615px) 100vw, 615px\" \/><\/a><\/p>\n<h2>Why check your tyre wear?<\/h2>\n<p class=\"isSelectedEnd\">The grooves on the tread clear water. They thus enable the tyre to remain in contact with the road.<\/p>\n<p class=\"isSelectedEnd\">However, these grooves become shallower over time. The tyre then loses some of its effectiveness.<\/p>\n<p class=\"isSelectedEnd\">An excessively worn tyre can cause:<\/p>\n<ul data-spread=\"false\">\n<li>a loss of grip ;<\/li>\n<li>a higher risk of aquaplaning; ;<\/li>\n<li>longer braking distances ;<\/li>\n<li>less precise handling; ;<\/li>\n<li>an increased risk of a puncture.<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Therefore, it is important to check the tread regularly.<\/p>\n<p class=\"isSelectedEnd\">Abnormal wear can also indicate a pressure or geometry issue. Check our advice on <a href=\"https:\/\/www.tyres-pneus-online.co.uk\/running-in-and-wear-advice.html\">Tyre bedding-in and wear<\/a> to find out more.<\/p>\n<h2>What is the minimum tyre tread depth?<\/h2>\n<p class=\"isSelectedEnd\">In France, the main grooves of a tyre must have a minimum depth of <strong>1.6 mm<\/strong>.<\/p>\n<p class=\"isSelectedEnd\">When the tread reaches the level of the wear indicator, the tyre must be replaced. Nevertheless, it is preferable not to always wait for this limit.<\/p>\n<p class=\"isSelectedEnd\">Indeed, a tyre can become less effective before reaching 1.6 mm. This is especially true on a wet road.<\/p>\n<p class=\"isSelectedEnd\">To obtain a reliable result, check several areas of the tyre:<\/p>\n<ul data-spread=\"false\">\n<li>the centre of the tread ;<\/li>\n<li>the inner edge ;<\/li>\n<li>the outer edge ;<\/li>\n<li>several points around the tyre.<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">This will enable you to detect any irregular wear.<\/p>\n<h2>Use the tread wear indicator<\/h2>\n<p class=\"isSelectedEnd\">The tread wear indicator is the simplest method. All tyres have small bars of rubber in their main grooves.<\/p>\n<p class=\"isSelectedEnd\">These terminal blocks are generally 1.6 mm in height. They therefore correspond to the minimum permitted limit.<\/p>\n<p class=\"isSelectedEnd\">To find them, look at the sidewall of the tyre. Their location may be indicated by:<\/p>\n<ul data-spread=\"false\">\n<li>the acronym <strong>TWI<\/strong> ;<\/li>\n<li>a triangle ;<\/li>\n<li>a semicolon ;<\/li>\n<li>the manufacturer's logo.<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">For example, some Michelin tyres use a little Bibendum as a marker. Other brands use specific numbers or symbols.<\/p>\n<h3>How is the check carried out?<\/h3>\n<p class=\"isSelectedEnd\">Start by parking the vehicle on a flat surface. Then, turn the front wheels to get a better view of the tread.<\/p>\n<p class=\"isSelectedEnd\">Locate the symbol on the side then. Follow it to the corresponding groove.<\/p>\n<p class=\"isSelectedEnd\">Finally, compare the tread with the wear indicator. If the two are at the same level, the tyre is worn. It must therefore be replaced.<\/p>\n<p class=\"isSelectedEnd\">Remember to check several tread wear indicators. Indeed, wear is not always identical across the entire surface of the tyre.<\/p>\n<h2>Use a depth gauge<\/h2>\n<p class=\"isSelectedEnd\">The depth gauge offers a more accurate measurement. This tool is simple to use and inexpensive.<\/p>\n<p class=\"isSelectedEnd\">You can find some in car accessory shops or specialist stores.<\/p>\n<h3>How do you use a gauge?<\/h3>\n<p class=\"isSelectedEnd\">Place the gauge in a main groove. It must remain straight and perpendicular to the tyre.<\/p>\n<p class=\"isSelectedEnd\">Next, note the measurement shown. Repeat the process in several places.<\/p>\n<p class=\"isSelectedEnd\">Check in particular:<\/p>\n<ul data-spread=\"false\">\n<li>the inside of the tyre; ;<\/li>\n<li>the centre of the tread ;<\/li>\n<li>the outer part of the tyre.<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Repeat this check on all four wheels.<\/p>\n<p class=\"isSelectedEnd\">This method makes it possible to precisely measure the depth of the grooves. In addition, it helps to identify irregular wear.<\/p>\n<p class=\"isSelectedEnd\">An important difference between several areas may reveal:<\/p>\n<ul data-spread=\"false\">\n<li>poor pressure ;<\/li>\n<li>an alignment fault ;<\/li>\n<li>a geometry problem ;<\/li>\n<li>worn shock absorbers; ;<\/li>\n<li>poor balancing.<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">In this case, have your vehicle checked by a professional.<\/p>\n<h2>Check the wear with a coin<\/h2>\n<p class=\"isSelectedEnd\">You don't have a dipstick? A coin can give you an initial indication.<\/p>\n<p class=\"isSelectedEnd\">Please note that this method remains approximate. It does not replace a professional measurement.<\/p>\n<h3>For a summer tyre<\/h3>\n<p class=\"isSelectedEnd\">Insert a 1 euro coin into a main slot. Place it vertically.<\/p>\n<p class=\"isSelectedEnd\">If the stars located on the edge of the piece remain visible, the groove may be too shallow.<\/p>\n<h3>For a winter tyre<\/h3>\n<p class=\"isSelectedEnd\">You can use a 2-euro coin. Insert it into a groove in the tyre tread.<\/p>\n<p class=\"isSelectedEnd\">If the outer silver edge remains largely visible, the tyre may be too worn.<\/p>\n<p class=\"isSelectedEnd\">In both cases, measure several areas. If in doubt, use a gauge or seek professional advice.<\/p>\n<p class=\"isSelectedEnd\">You can also find a <a href=\"https:\/\/www.tyres-pneus-online.co.uk\/mounting-tyre\/\">Pneus Online fitting centre partner<\/a> near you.<\/p>\n<h2>Which signs should alert you?<\/h2>\n<p class=\"isSelectedEnd\">Groove depth isn\u2019t the only thing to keep an eye on. Indeed, certain types of damage can make a tyre dangerous before it reaches the wear indicator.<\/p>\n<p class=\"isSelectedEnd\">Check the tread and sidewalls regularly. Look out for the following in particular:<\/p>\n<ul data-spread=\"false\">\n<li>cracks ;<\/li>\n<li>Power cuts ;<\/li>\n<li>a lump or hernia ;<\/li>\n<li>a distortion ;<\/li>\n<li>an object embedded in the tyre ;<\/li>\n<li>one-sided wear ;<\/li>\n<li>a steady loss of pressure.<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">You should also keep an eye out for vibrations. These may indicate a balancing issue or a tyre deformation.<\/p>\n<p class=\"isSelectedEnd\">A bulge on the sidewall requires prompt intervention. In this case, avoid continuing to drive unnecessarily.<\/p>\n<h2>How to understand uneven wear?<\/h2>\n<p class=\"isSelectedEnd\">The shape of the wear can indicate the origin of the problem.<\/p>\n<h3>The centre of the tyre is more worn<\/h3>\n<p class=\"isSelectedEnd\">The tyre may be over-inflated. Excessive pressure causes the contact patch to be concentrated in the centre of the tread.<\/p>\n<h3>Both edges are more worn<\/h3>\n<p class=\"isSelectedEnd\">The tyre may be under-inflated. In this case, the shoulders bear a greater part of the vehicle's weight.<\/p>\n<h3>Only one side is worn<\/h3>\n<p class=\"isSelectedEnd\">This wear may be caused by an issue with the wheel alignment or parallelism.<\/p>\n<h3>Wear forms waves or facets<\/h3>\n<p class=\"isSelectedEnd\">The problem may be related to the shock absorbers, the wheel balance or the suspension.<\/p>\n<p class=\"isSelectedEnd\">It is important to correct the source of the wear before fitting new tyres. Otherwise, the new tyres risk wearing out too quickly.<\/p>\n<h2>When should you change your tyres?<\/h2>\n<p class=\"isSelectedEnd\">You should replace a tyre when:<\/p>\n<ul data-spread=\"false\">\n<li>its grooves are 1.6 mm deep; ;<\/li>\n<li>the tread is reaching the wear indicator ;<\/li>\n<li>a hernia appears on the flank ;<\/li>\n<li>the tyre has a deep cut; ;<\/li>\n<li>it begins to wear unevenly; ;<\/li>\n<li>it often loses pressure; ;<\/li>\n<li>It causes abnormal vibrations.<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">When replacing only two tyres, generally fit the new tyres to the rear. This position improves vehicle stability.<\/p>\n<p class=\"isSelectedEnd\">To prepare for the replacement, check our guide for <a href=\"https:\/\/www.pneus-online.fr\/bien-changer-ses-pneus-conseils.html\">changing your tyres<\/a>.<\/p>\n<p class=\"isSelectedEnd\">You can then search for <a href=\"https:\/\/www.tyres-pneus-online.co.uk\/car-tyre.html\">car tyres on Pneus Online France<\/a> depending on your vehicle and your size.<\/p>\n<h2>How can you reduce tyre wear?<\/h2>\n<p class=\"isSelectedEnd\">A few simple actions can help prolong their lifespan.<\/p>\n<p class=\"isSelectedEnd\">First of all, check the pressure at least once a month. Always carry out this check when the tyres are cold.<\/p>\n<p class=\"isSelectedEnd\">Then, follow the values recommended by the manufacturer. They are generally indicated in the vehicle manual or near the driver's door.<\/p>\n<p class=\"isSelectedEnd\">Also, adopt a smooth driving style. Avoid sudden acceleration, hard braking, and hitting kerbs.<\/p>\n<p class=\"isSelectedEnd\">Finally, have the wheel alignment checked in the event of unusual wear. This adjustment can prevent rapid deterioration of new tyres.<\/p>\n<h2>Conclusion<\/h2>\n<p class=\"isSelectedEnd\">Checking tyre wear takes only a few minutes. Yet, this check plays an important role in your safety.<\/p>\n<p class=\"isSelectedEnd\">The wear indicator allows a quick check. The gauge, meanwhile, offers a more precise measurement. Finally, a coin can serve as a temporary solution.<\/p>\n<p class=\"isSelectedEnd\">In any case, inspect several areas of each tyre. Also check the sidewalls, cracks and deformations.<\/p>\n<p class=\"isSelectedEnd\">As soon as the tread depth reaches 1.6 mm, the tyre must be replaced. Action must also be taken sooner in the event of a cut, bulge or abnormal wear.<\/p>\n<h2>Frequently Asked Questions<\/h2>\n<h3>Where is the wear indicator located?<\/h3>\n<p class=\"isSelectedEnd\">The wear indicator is located in the main grooves of the tyre. A TWI symbol, a triangle or a logo generally indicates its location on the sidewall.<\/p>\n<h3>What is the minimum permitted depth?<\/h3>\n<p class=\"isSelectedEnd\">In France, the main grooves must be at least 1.6 mm deep.<\/p>\n<h3>Should several places be checked?<\/h3>\n<p class=\"isSelectedEnd\">Yes. Measure the inside, centre and outside of the tread. Also check several points around the tyre.<\/p>\n<h3>Can a tyre be dangerous before 1.6 mm?<\/h3>\n<p class=\"isSelectedEnd\">Yes. A bulge, a cut or a deformation can make the tyre dangerous. Uneven wear must also be checked.<\/p>\n<h3>Is the coin reliable?<\/h3>\n<p class=\"isSelectedEnd\">It only provides an indication. A depth gauge remains much more precise.<\/p>\n<h3>Where can I buy new tyres?<\/h3>\n<p>You can compare brands and sizes amongst the <a href=\"https:\/\/www.tyres-pneus-online.co.uk\/car-tyre.html\">tyres available on Pneus Online France<\/a>. You can then choose a partner fitting centre.<\/p>","protected":false},"excerpt":{"rendered":"<p>Comment v\u00e9rifier l\u2019usure de ses pneus ? V\u00e9rifier l\u2019\u00e9tat de ses pneus est essentiel. En effet, des pneus us\u00e9s r\u00e9duisent l\u2019adh\u00e9rence et augmentent les distances de freinage. Ils pr\u00e9sentent aussi plus de risques sur une route mouill\u00e9e. Il n\u2019est pas n\u00e9cessaire de contr\u00f4ler ses pneus chaque jour. Toutefois, une v\u00e9rification r\u00e9guli\u00e8re reste indispensable. Pensez notamment [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-99","post","type-post","status-publish","format-standard","hentry","category-a-savoir"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00c9tat des pneus : comment v\u00e9rifier l\u2019usure ? 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