Q:How often do they need to be replaced?

If the left tire tread groove depth at or below 1.6 mm (tire longitudinal straight groove with indicator indicating the depth), the tire must be replaced, because the drainage capacity of the tire has decreased greatly, the vehicle would be more dangerous driving in wetland.

Q:Chaoyang truck tires four months flat tire, you can change it?

The tire pressure is low. When the car at high speed (faster than 120km/h), the tire pressure is insufficient, easy to cause the body "harmonic vibration and thus caused a huge resonance force, if the tyres are not strong enough or have been" injured "on the tire. Moreover, the lack of air pressure increases the amount of the tire sink, which causes the wall to hit the floor when turning sharply, while the tire wall is the weakest part of the tire. The tire wall also causes a flat tire.4. is the tire "sick work"". Tire wear in use after a long time, the crown has no pattern (or low pattern), fetal wall thinning, has become the people often say "slicks" or have been uneven "weak link", it will be because of high pressure, high temperature and high speed can not bear the blow.

Q:What is the difference between car tyres 55R and 60R?

The flat ratios of the 2 tires differ. 60 and 55 represent the flat ratio of the tire, simply speaking, the aspect ratio of the tire is the percentage of the tire cross section divided by the tire width, and the R represents the radial tire.

Q:Car tire speed level, who can give a detailed introduction?

The speed of the tire side are the symbol of tyre (also known as speed level), the corresponding speed sign can know the maximum speed of the tire for example: 195/65 R15 91V speed symbol tire size is V, and the speed of the corresponding symbol table lookup speed will know this tire top speed is 240 km / H.

Q:What's the difference between a steel tire and an ordinary one?

Ordinary tires, that is, crossed tyres. It's an old fashioned tyre. The tire is composed of tread, ply (carcass), buffer layer and bead, ply tyre is the skeleton, to keep the shape and size of the tire, usually made of multi-layer into even hanging tape (cord) with a rubber cord cord attached to, and tread the center line of approximately 35 angle, from one side of the bead through the tread to the other side of the bead. In the selection of nylon, polyester fiber or a high strength cord material, can greatly improve the tire load carrying capacity, improve the tire performance, is a commonly used modern automobile tires.

Q:How many kilometers can a car tire run in life?

How to maintain, please refer to:1. check the air pressure of all tires at least once a month, including the spare tire.2. do not exceed the required driving conditions and legal restrictions of reasonable rate (for example, in front of a stone, pit and other obstacles please slow traffic or avoid).3. regular wheel alignment and balancing are important to ensure your driving safety and to achieve ideal mileage.4., in order to achieve uniform wear and tear, thereby extending the service life of tires, tire adjustment is necessary. 5. prevent the sun, oil, acids, hydrocarbons from eroding tires.6. need to develop good driving habits, for example: avoid the emergency brake at the wheel etc..

Q:Do all new vans need new tires? Why?

The car tires are used as long as the loading car can open the door can cross factory so as can be imagined is junk goods you really want to run up the goods transport from a security point of view and load is not suitable so cars must be replaced with new tires

Q:Deng Lupu truck tires 391 good or 171 good?

Dunlop SP391It has excellent handling stability and excellent wear resistance, and can meet the performance requirements of truck front axleExcellent wear resistance performance; long life; truck front wheel only; fixed product; suitable for long distance, fixed load, high speed road, the main part of the general road user groups

Q:Truck tire specifications

The difference is the size of the tire rim. Definitely not the same height. 9 represents specification R indicating radial tire 20 indicating rim size. There's actually a tire hierarchy behind. The standard is 9.00R20-16. 16 represents the carrying capacity of the tire (hierarchy)The screws are the same, but the height is not the same as the width. These are tubeless tires.If it's a vacuum, it's 9R22.5-14 or 12R22.5-16

Q:Which brand is good for the car tire?

There's no best tire, only the best tire brand. When Michelin F1 sponsors, it is the leader and Bridgestone tires, is second, now Bridgestone is a sponsor of the F1.