How do you read a tread wear indicator?
Take a penny and hold it with Lincoln’s head upside down. Place it inside one of the grooves between the tread. If Lincoln’s entire head is visible, your tread has worn down at or below 1/16 of an inch and should be replaced. If the top of his head is partially covered, your tires may still have some tread left.
What tread depth is the wear indicators?
2/32”
TREAD WEAR INDICATOR BARS Another indicator of worn out tread already lives in your tires themselves. Every performance, light truck, or medium commercial tire comes equipped with indicator bars (or wear bars) embedded between the tread ribs at 2/32”.
How do you check tire tread wear?
Take a standard U.S. Penny and insert it into the tread, with Lincoln’s head facing down and out. If you can see all of Lincoln’s face, your tread depth is below 2/32 of an inch, and you need new tires. Check your tires in multiple locations to be safe. Repeat the process with all four tires.
How long should Bridgestone tires last?
ten years
Bridgestone recommends that its Bridgestone or Firestone brand tires be removed from service after ten years regardless of their remaining tread depth.
How much tread does a new Bridgestone tyre have?
about 8mm
How much tread is on a brand new tyre? On a new tyre, tread depth is about 8mm. As this wears down it compromises the car’s ability to cope in wet conditions and degrades its grip and road handling.
How many mm is the tread wear indicator?
1.6 mm
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.
What do tread wear indicators look like?
The tread wear indicators, which look like narrow strips of smooth rubber across the tread, will appear on the tire when that point of wear is reached. When you see these wear bars, the tire is worn out and it’s time to replace the tire.
What are wear indicators on tires?
Tread wear indicators, or wear bars, are spaced evenly through the main grooves in the tire tread. If they are flush with the level of the tread, then the tire should be replaced. Several winter tire models are equipped with winter tire wear indicators.
At what tread should tires be replaced?
2/32 inches
As you drive, the tread will wear down. A tire with a tread depth below 1.6 millimeters (2/32 inches) lacks grip. Braking distance and vehicle control are impaired. These tires are not safe for driving and must be replaced.
How do I know when my Bridgestone tire expires?
DOT Number It’s easy to identify – look for the letters “DOT” followed by eleven or twelve letters and numbers. On tires made after the year 2000 the final four digits signify the week and year of manufacture. So, a tire with “3618” would have been made in the 36th week or 2018.
When should I replace my Bridgestone tires?
Bridgestone recommends that tires more than 10 years old should be taken out of service and replaced with new tires. Be sure to check your spare tire and replace it if it is more than 10 years old, even if it appears new.
How many mm tread before changing tires?
When to replace tires. You must replace tires when the tread depth falls below 1.6 mm, which is the legal limit. Please consider that safe driving in wet and snowy weather conditions is affected by the tread depth, the pattern design and the rubber compound of the tread of your tires.
How much tread is on a new Bridgestone tyre?
around 8mm
New tyres are manufactured with around 8mm of tread depth, but this wears away over time, which compromises the car’s road handling, ability to cope in wet conditions, road grip and safety.