Tire tread wear bars

Required to have molded indicators called wear bars across their tread pattern from their outside shoulder to inside shoulder. Along with the initial penny test described above the wear bars are an indication of 232 tread remaining ie.

Along with the initial penny test described above the wear bars are an indication of 232 tread remaining ie.

Tire tread wear bars. A tires built-in tread wear indicator bars are just one way to identify how much tread is remaining. You can also use a quarter. Take your quarter turn Washington upside down and insert him head first into one of the grooves on your tire.

If you can see the top of his head you should get new tires. Be sure the quarter isnt hitting a tread wear bar. Tires are considered worn when they reach the wear bars at 232 as seen on the Bridgestone Blizzak tire below.

We recommend that winter snow tires be replaced when they reach approximately 632 of remaining tread depth. Check the Tread Depth. As a general rule a tire should have at least 632 of tread depth to give good winter service.

Some winter snow tires have a taller treadwear bar snow platform that indicates when the tread is too shallow for proper winter performance. If youre not sure how to read the tread depth. Required to have molded indicators called wear bars across their tread pattern from their outside shoulder to inside shoulder.

Wear bars are designed to visually connect the elements of the tires tread pattern and warn drivers when their tires no longer meet minimum tread depth requirements Review of. Bridgestone Dueler HT 470. Another way to check tread depth is to look at the treadwear indicator bar thats molded into most tires.

The bars are located at the bottom of the tread grooves in several locations around the tire. When these bars become visibly flush with the adjacent ribs the tire has no more than 232 of tread remaining. 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 232. Theyre there to help you monitor tread depth and make decisions about tire replacement. The tire wear bars run laterally left to right across the tread grooves on your tires.

Along with the initial penny test described above the wear bars are an indication of 232 tread remaining ie. When the tread bars are even with the surrounding tread then its time to replace tires. Indicator bars also allow you to monitor tread wear.

Federal safety standards require that tire tread patterns include 232 tread wear indicators across their tread in the grooves. Tires are considered worn out when the tires tread pattern has worn even with the indicator bars. These bars invisible or barely visible when the tires are new gradually begin to appear as the tread wears down.

They appear as flat rubber bars running perpendicular to the direction of the tread itself. If more than one or two of these are visible on a tire the tread is getting low. Most tires have tread-wear indicators built into them see Figure 2.

These bars of hard rubber are normally invisible but appear across treads that have been worn down to 116th of an inch of the surface of the tire the legal limit in most states. Center Wear Over-Inflation If your tires are wearing down rapidly in the center of the tread you may be driving on tires that are consistently over-inflated. When your tires are filled over the recommended pressure theyll ride along the center of the treadthis makes the center of the tread wear down much faster than the rest of the tire.

Most tires contain wear indicators built into the tread. Look for a bar molded into the bottom of the tread void in the circumferential grooves. These bars are raised to 232nds of an inch.

When your tread blocks wear to become level with these bars they are completely worn out and need to be replaced. All-Season Tire Wear Bars Summer or all Seasontiress sold in the United States are required to have wear bars with a height of 232 inch molded into the bottom of the tires treads across the treads width from shoulder to shoulder. Wear bars are evenly spaced around the tires circumference to act as easily referenced wear indicators.

Tread wear indicator bars are small raised bars found within the grooves of your tires between the tread markings. They are placed all around the tire at different points to measure how evenly your tread is being worn down. The purpose of the wear bars is to offer a visual indication of how much tread is left on your tires.

Selecting the Right Tires Tire Rack called wear bars across their tread pattern from their outside shoulder to inside shoulder. Wear bars are designed to visually connect the elements of the tires tread pattern and warn drivers when their tires no longer meet minimum tread depth requirements. Common Sense However as a tire wears.

Replace any tire where the tread ribs become flush with the indicator bars. Another method of evaluating tread depth gauge is the penny test Place a penny with Lincolns head upside down into the groove between the tread ribs. The requirement of 232 of an inch is consistent with the height of the tread-wear bars built in to passenger car tires sold in the United States but the rationale for that requirement or other existing requirements is not clear.

At 7000 miles my front tires were almost at the wear bars. I pulled them off and put on my winter tires a few months ago. Come spring Ill put the worn tires on the rear and can probably get 15000 miles out of them before I have to get replacements.

Im a spirited driver but Ive always been a spirited driver.