Monday, August 26, 2019

Before buy new tires...

Before buy new tires: It is inevitable that at some point you will have to change the tires on your bike or car. Tires are important wear components of a vehicle. Over time, they degrade gradually ensuring the grip of the vehicle, but also absorbing some of the roughness of the road.

It is normal for a tire to wear, but not prematurely. The tread of a tire is essentially made of rubber. This layer of rubber thins little by little because of the various transfers of rubber during the rolling of the vehicle. There are signs to know whether or not to change a tire.
Here are some rules to follow when buying a four-season or summer tire .

When to buy new tires?

Tires wear out by refining the thickness of the rubber layer of its tread. A tire has grooves. To find out if a tire needs to be changed, check the level of these grooves in relation to the wear indicator also located on the tread of the tire. If the tire is not equipped, it is advisable to change the tires if the depth of its grooves drops below 1.6 millimeters.
The tire is a crucial part of the wheels of cars and motorcyclesDriving with tires with high wear rates is not only illegal but also dangerous. In addition worn tires promote the risk of puncture or loss of control of a vehicle. The grooves of a tire allow the water to be channeled to the outside of the tire when driving in wet conditions to keep the tire in contact with the road.

Reading the reference of a tire

The format of the tire reference is "225/55 R17 91W". This is an example. The first number (225) represents the width of the tire in millimeters. The second digit, after the slash (55), is the height of the sidewall of the tire represented as a percentage of the width of the tire. R17 represents the diameter of the rim adapted to the tire. 91 indicates the maximum load that the tire can withstand.
Finally, W represents the speed index, it is related to the maximum speed that a tire can support. Indeed, the centrifugal force exerted on a tire is considerable at high speed. The higher the number of revolutions per minute, the more the tire is under heavy stress, which can cause its destruction if the tire is not designed to withstand such speed. Use on highways such as motorways requires tires adapted to high speeds. Unsuitable tires can cause an accident. Which is often fatal at high speed. In particular, it is forbidden by law to install tires whose speed rating is lower than that of the original tires.
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