Usage of improper tire could be resulting a dangerous matter happened...there are some information we should know about the tire to avoid such bad things:
1. Expiry Date of tire
Tire has also an expiry date although it is depend on the quality of the tire it selt. Basically maximum usage periods for the tire is 3 years after its production date. Even the tire absolutely new from the tire shop but if it has already stored there within 3 years, so the tire could be categorized as an expired tire...Why? it is because of the age of the rubber as raw material of tire maximum has good sthrength within 3 years. After that the rubber will loss its strengths and also loss its flexible features.
We could know when the tire produced by the manufacturer by seeing its production code stated in every tire. Please check one side of the tire carefully and look at the number code inside the oval circle mark. The production code is comprising of 4 numbers digit. The first two digits is mentioning the week when the tire produced and rest of two digits is mentioning the production year. For example if you find the number of 1808 it means the tire produced in the week of 18th of 2008 (arround April 2008).
Tips: when you would like to buy tires please check the code to avoid receiving an expired tire. Ask the really new one tire to the vendor.
2. Tire Marking
When we check one side of the tire we could find easyly marking code such as 195/50 R16 V what does it means?...the number of 195 means tire width is 195 mm and its height is 50% of its width. So its height is 50% x 195 mm = 97.5 mm. R16 means rim diamater suitable for the tire is 16 inch. The last mark 'V' means maximum speed allowed for the tyre is 240 km/hr while S for max 180 km/hr, T 190 km/hr, H 210 km/hr, W 270 km/hr, Y 300 km/hr and Z could be applied for the car which run over 300 km/hr.
3. Rotation Mark
Some tires categorized as anti aqua planning tires has arrow rotation mark. Never let the tires set opposite with this marking because this kind of tire is designed to sweep the water on the road when it is rain. The opposite setting will make the tire collecting the water and make the car likely flying on the water.
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