What do tyre wear indicators look like?

What do tyre wear indicators look like?

Tread wear indicator bars are moulded into the tread grooves at regular intervals around the tyre to indicate when a tyre is worn to its limit of safety. The minimum legal tread depth is 1.5 mm across the width of the tread. When the tyre is worn to the legal limit the bars will be flush with the surface of the tread.

How do you read a tyre wear indicator?

The tread wear indicator is as well displayed with a small arrow on the sidewall of the tyre and the letters “TWI”. If the tread wear indicators are flush with the level of the tread, then the tyre should be replaced.

What depth are tyre wear indicators?

The easiest way to check your tyre tread’s legal is to look out for tread wear indicators. These are usually small bars, about 5mm wide, built into the base of the tyre’s main grooves. If the tyre tread is level with the top of the wear indicator, it means your tyres have reached the legal limit of 1.6mm.

What height are tyre wear indicators?

A tread wear indicator is a narrow elevation across the longitudinal grooves of the tyre’s tread pattern. On the side of the tyre are the letters TWI (Tread Wear Indicator). When the tyre’s tread depth is down to 1.6 mm (1/16 inch), the tread will be level in height with the tread wear indicators.

How long do 3mm tyres last?

10,000-20,000 miles
With all the possible variables taken into account, the minimum average period 3mm of tyre tread depth will last before it reaches the legal limit of 1.6mm is between would be 10,000-20,000 miles but it could be considerably more than that.

Are my tyres illegal?

Place a 20p coin into the main tread grooves of your tyre. If you can’t see the raised edge around the coin, your tyre’s tread is likely greater than 1.6mm and, therefore, legal. If, on the other hand, the outer band is visible when inserted, your tyre could be unsafe and require professional inspection.

How long do 3mm Tyres last?

Is 3mm TYRE tread OK?

Tyre and safety experts believe the 1.6mm legal minimum is insufficient to guarantee safety – most recommend a minimum tread depth of 3mm for tyre replacement. If there’s less tread depth, less water can be shifted, increasing the risk of aquaplaning and losing grip.

Should I change Tyres at 3.5 mm?

The legal limit for tyre tread in the UK and the European Union is currently 1.6mm although many tyre retailers and industry groups feel that a better level would be 3mm as this is safer in poor driving conditions and also offers the motorist greater fuel economy.

Is a 500 treadwear rating good?

The higher the tread wear number, the longer the tread wear will last. In this case, a higher number is better than a lower number. If the tire being tested gets a 500-tread wear rating, that means it’s expected to take five times as long to wear out as the control tire.

What do the indicators on my tires mean?

Every passenger, light truck, and medium truck tire has these indicators, also known as wear bars, at various places around the tire. Tread depth indicators are there so you can visually determine whether you have reached 2/32-inch in that groove without having to measure the depth with a tool.

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How do you know when your tyres need replacing?

Another indicator of worn out tread already lives in your tyres themselves. Every performance, light truck, or medium commercial tyre comes equipped with indicator bars (or wear bars) embedded between the tread ribs at 1.6mm. They’re there to help you monitor tread depth and make decisions about tyre replacement.

What are tyre wear bars and why are they important?

Every performance, light truck, or medium commercial tyre comes equipped with indicator bars (or wear bars) embedded between the tread ribs at 1.6mm. They’re there to help you monitor tread depth and make decisions about tyre replacement. Check if the tread is flushed with the indicator bars.