The recommended tire pressure is the pressure established by the manufacturer of your car as the optimal air pressure for your tires. Running your tires at the correct pressure is important because it keeps you safe, cuts down your gas bill, and makes your tires last longer. Each vehicle has its own specifications for tire pressure, but most fall between 28 and 36 PSI (pounds per square inch).
Be careful not to confuse the recommended pressure with the maximum pressure. The recommended pressure is the one you should use when filling your tires, and, as explained above, you can find on your doorjamb or in your owner’s manual. The maximum pressure, on the other hand, is usually stated on the sidewall of the tire itself in small print near the tire’s bead (where the rubber abuts the rim). This measurement is provided by the tire manufacturer rather than the car manufacturer and is the maximum amount of pressure the tire can safely withstand.
Your tires’ max PSI almost always exceeds the recommended pressure. It isn’t advisable to fill your tire to this pressure for everyday driving. At max PSI, your car does not handle as well, braking is impaired, and you could risk dangerous blowouts. Over-inflation can also cause the center of your tire’s tread to wear out prematurely and reduce the lifespan of your tires. You may want to use the max pressure on a temporary basis if you are hauling especially heavy load or towing something.
Most manufacturers do not state a minimum tire pressure, per se. The recommended value is the amount of air that a tire needs for a car to handle properly and safely, and anything under that value is not recommended, so functionally the optimal value is also the minimum. Under U.S. law, vehicles are required to be equipped with tire pressure monitoring systems (TPMS) that warn the driver when tire pressure falls below 25 percent of the recommended PSI.
This is considered severe under-inflation, but less drastic pressure drops are still considered moderate or mild under-inflation, and they and can still have negative consequences.
If your tires are inflated to a pressure that is below the recommended PSI (as shown in the manual or on the driver’s side doorjamb), your car will not operate safely. Under-inflation can cause the tire to heat up excessively, which can make the tread pull away from the body of the tire. If this happens on the highway, it could lead to a blowout and a serious accident. There are also financial reasons for making sure your tires aren’t under-inflated. A low tire has more rolling resistance, which means the car has to work harder to move down the highway and consumes more fuel. Well-inflated tires are going to save you money at the pumps. Low tires also wear more quickly and unevenly, so you will have to replace them more often.
A tire pressure monitoring system (TPMS) uses either a direct sensor inside your valve stem or a combination of both software and other existing sensors in your vehicle to let you know when your tire pressure is outside of a safe range of pressures. If the pressure falls below the legally specified limit (25% of recommended pressure) an indicator light shaped like the letter U with an exclamation point inside it (representing the cross-section of a tire) will light up on the dashboard. When you see this TPMS light on you should immediately check your tire pressure and make any necessary adjustments.
If you have further questions about tire pressure or any other aspects of your tires, find your nearest tire dealer to get some advice.
Maintaining correct tire inflation pressure is very important since it helps optimize tire performance and fuel economy while over-inflated tires are just as problematic as under-inflated ones.
In fact, driving with under-inflated tires is one of the biggest causes of tire failure, according to the National Highway Traffic Safety Administration.
Besides, under-inflated tires can cause many other problems such as wearing out more rapidly, handling poorly and reducing fuel efficiency.
In addition, over-inflated tires are more susceptible to damage from road irregularities, and this also creates a bumpier ride.
Overfilling your tires is just as dangerous as under-filling them, so it’s important you know what is recommended for your vehicle.
This article will give you everything that you need know about your recommended tire pressure. These include:
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Recommended tire pressure, where to find it?Since tire pressure is so important to your safety and your car’s overall performance, it is important to know which level of tire pressure is right for your vehicle.
In fact, how much air pressure your tires need depends on several factors, including the type of vehicle, the type of tire and the intended use of the vehicle etc.
Air pressure in tires is measured in pounds per square inch or PSI. You can find your tire pressure both inside your car and on the sidewall of the tire.
How to find recommended tire pressure inside your carYou could find the manufacturer’s optimum or recommended tire pressure for your car on a sticker in the door jam, or in your owner’s manual. Some car models even place the stickers on the trunk lid, in the console or on the fuel door. For best results, look for a placard on the inside of the driver’s door, like the example in the photo below.
How to find maximum tire pressure on the sidewall of your tiresSomewhere on the sidewall of your tire, just below the big, bold letters of the manufacturer, for example, you might have noticed the words ‘Max.
Press. 35 PSI.’ (pounds per square inch).
That number tells you the maximum cold pressure needed for your tire to carry its maximum load.
Most typical tires require about 32 to 35 pounds per square inch (PSI) of air, says Rod Tate, owner of highly rated Colony One Auto Center in Stafford, Texas.
Large trucks require much larger tires with PSIs of 50 to 60. Heavy-duty vehicles can go even higher. For example, tire in the picture below requires 41 pounds per square inch of air.
However, the tire’s maximum pressure is NOT necessarily the most suitable pressure for every vehicle upon which the tire can be used (almost all vehicle manufacturers’ recommended tire inflation pressures are less than the tires’ maximum pressure).
You really should follow the recommended pressure printed somewhere inside your car or in the manual rather than the maximum pressure. In the next section, I will explain why.
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Why is maximum tire pressure not the best?If you insist on inflating your tires to the max PSI, there will be more likely that two things below will happen
Since tires inflated to the max cannot give as much on the sidewall, you might see superior cornering, but it could be at the risk of your braking threshold.
One quick corner and your back end could slide out.
When your tires are inflated too much, the rubber rounds out at the top of the tire when you are driving, and the center will quickly wear out. You will also reduce your traction and you could even cause a blowout.
Therefore, maximum pressure is not the best, rather, recommended pressure is. I need to repeat here that the pressure listed on the sidewall is a maximum pressure only, but not a recommended pressure. Instead, you should use the air pressure recommended in the vehicle’s owner’s manual or tire information placard label.
How to check your tires pressure?Therefore, maximum pressure is not the best, rather, recommended pressure is. I need to repeat here that the pressure listed on the sidewall is a maximum pressure only, but not a recommended pressure.
Instead, you should use the air pressure recommended in the vehicle’s owner’s manual or tire information placard label.
After knowing the most appropriate pressure for your car tires, you should check whether your tires have such pressure. In addition, checking the pressure of your tires regularly is one of the most important – and most often overlooked – regular maintenance that you should do to ensure your safety and quality of your driving. Monitoring the amount of air in your tires will let you know if you have a small leak and can help you avoid an unexpected flat tire.
Frequently checking your PSI becomes even more important in the fall and winter, when outside temperatures drop and weather conditions fluctuate causing your tires to lose air more quickly. Generally speaking, your tire will gain or lose one PSI for every 10-degree change in temperature, which means if you have a sudden drop of 30 degrees, you could lose three PSI overnight. If your tires were already low, this could cause tire damage, steering problems or even a flat tire.
Some experts recommend that you should check the air pressure every time you refuel; others say once a month is sufficient.
How to check tire pressure properly? Checking tire pressure is easy. You can do it right at home or at the gas station. Just be sure you check the pressure when your tires are cold, or have not been driven in several hours. This will give you the most accurate reading.
The most important piece of equipment you need is an accurate tire pressure gauge. You can find battery-operated digital gauges, or more traditional stick-type gauge found at most gas stations. A good gauge should not set you back more than $15 – a worthwhile investment for a longer life for your tires.
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Make sure you have your manufacturer’s PSI handy when you are checking your tire pressure, and then follow these steps:
By checking tire pressure once a month, you will get a good idea how they are performing. If your tires are fairly new and continue to leak air, you should consult your dealer or mechanic. You may have a faulty valve or other damage that is difficult to detect which could unfortunately result in the need to replace the tires completely.
But with proactive maintenance, you could catch an issue before it becomes a problem, and just end up needing a small repair.
Often, it is hard to spot an under-inflated tire until it is too late – in other words, it is completely flat. Of course, you could carry a gauge around at all times to measure the pressure, but that is not exactly convenient. Instead, watch for these signs and symptoms of tires that are under-inflated.
When your tires are under-inflated, your ride can be less smooth than usual. You may even find that it takes longer to brake.
When a tire is not inflated properly, it wears down more quickly. If you notice that one or all of your tires are wearing out faster than usual, it may be because they are under-inflated.
Tires that are under-inflated can make your vehicle quiver and shake, which is not a pleasant driving experience.
Under-inflation can even cause tires to become misaligned, with comes with it is own variety of problems.
These are all things that you need to know about recommended pressures of your car tires. After reading this article, you will never confuse about the right pressure of your tires and will know how to check it.
Please share your ideas with me if you have other tips for this.
Alvin Reyes
Alvin Reyes has expertise in automotive evaluation. He collaborated with famous newspapers and is still making efforts in tire review for DrivingPress.com
You may ask how many psi for my carbon road wheels ？ What is the appropriate tire pressure？ The article contains information to help you get the recommended tire pressure.
Another thing is when you get the recommended tire pressure between clincher wheel tires and clincher wheel tires .
Standard tubed clincher tires.
The maximum pressure to use our tube mounted clincher wheels is 120 psi, however we believe the best performance is achieved below 110 psi for all riders. The recommended pressure for clincher tires is slightly higher than for tubeless tires to prevent pinching.
Tubeless
The maximum pressure to use our wheels with tubeless tires is 100 psi, however we believe the best performance is achieved below 100 psi for all riders. The recommended pressure is lower than the clincher to achieve the lowest rolling resistance, and it is clear that pressure flats are not a problem.
The table below shows our recommended tire pressures.
| STANDARD CLINCHER TIRE WITH INNER TUBE | TUBELESS TIRES | |
|---|---|---|
| ≤ 65 KG PIECE | 23 mm - 95/100 psi Inch 25 mm - 90/95 psi Inch 28 mm - 85/90 psi Inch | 23 mm - 90/95 psi Inch 25 mm - 85/90 psi Inch 28 mm - 80/85 psi Inch |
| 65 - 75 KG JACKER | 23 mm - 100/105 psi Inch 25 mm - 95/100 psi Inch 28 mm - 90/95 psi Inch | 23 mm - 90/95 psi Inch 25 mm - 85/90 psi Inch 28 mm - 85/90 psi Inch |
| 75 - 85 KG HEAD | 23 mm - 101/106 psi Inch 25 mm - 96/101 psi Inch 28 mm - 91/96 psi Inch | 23 mm - 95/98 psi Inch 25 mm - 90/95 psi Inch 28 mm - 85/90 psi Inch |
| 85 - 95 KG HEAD | 23 mm - 104/109 psi Inch 25 mm - 99/104 psi Inch 28 mm - 94/100 psi Inch | 23 mm - 95/99 psi Inch 25 mm - 90/95 psi Inch 28 mm - 88/95 psi Inch |
IMPORTANT INFORMATION - Please check and never exceed the maximum recommended tire pressure on the side of the tire.
If you already know your weight and tire size, you can get the recommended tire pressure. See the tire pressure chart to see how many psi( psi ) for your tire below.
A unit of measurement0109 Ever since John Dunlop patented his experimental "pneumatic tire" in 1888, cyclists have been lining up to buy his miraculous invention. The tires were first glued on and then mounted on the rim. It took several years for the automotive industry to accept Dunlop's invention, by which time rubber tires had been extensively researched on bicycles. Larger wheels rolled better than small ones, and thicker tires provided better traction than thinner ones. The fat tires resisted the inevitable evil of punctures, but pedaling wasn't easy. All these contradictions had to be solved by tire companies. In the end, a number of compromises were found. Racers used thin tires with smooth tread and flexible sidewalls, inflated to high pressure, expressed in pounds per square inch (psi). Manufacturers have printed an extremely wide range of minimum and maximum tire pressures on the tire sidewalls - information that was useless to the individual cyclist, but now the old myths have been debunked over the past fifteen years as the MTB industry has closely examined the pressure the individual cyclist requires for the desired combination of stability on road, speed and comfort. The first legend to be destroyed was that thin, high-pressure tires meant speed. Scientific experiments have shown that a rider weighing, say, 155 pounds using 28mm tires at 60 psi will completely outperform his old-fashioned opponent from the 1980s who lost at 120 psi in 20 mm hard surfaces. Tire with lower pressure and larger cross section for superior comfort, road holding, speed and puncture resistance. But what is a hobbyist to do if he or she wants to find the optimum pressure for a particular tire? There are many easy-to-use applications for calculating tire pressure on the Internet. Enter your exact weight, the diameter of the tire you are using, then press CALCULATION . You can calculate your bicycle tire pressure here. A petite lady weighing about 110 pounds will be told to use fatbike tires at just under 20 psi. And the 200-pound bruiser will get a 130-psi recommendation for its 23mm road tires. Please note that these numbers require fine tuning. Use this approximate psi value as a starting point and experiment using more or less 5 psi until the process produces the desired pressure. Specifications: Package included: 
Butcher Boy needed fat tires for puncture protection at lower pressures and long life when carrying heavy loads. The postman's bike was somewhere in between the two extremes. And a number of myths have arisen based on tire pressure. 
These days, professional road builders ride tires, sometimes even 30mm wide, that are suitable for the surface they will be racing on. And they do so under pressure determined by their own weight—or the weight of the bike and rider combined. 
This fine-tuning process will need to be increased another 1.5 psi from the bottom end if you are using tubeless. And hookless tubeless tires are worth a try at pressures up to 5 psi less than what applications expect. Buy Portable Inflator Pump for Car Motorcycle Bicycle Bike 150 PSI Nakanate - Black in China
Product description
Portable Inflator Pump for Car Motorcycle Bicycle Bike 150 PSI Nakanate - Black
it can quickly fill one car tire in 6 minutes
Characteristics
Gross weight 0.459kg Bulk density 0.134kg Length 16. 
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