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tires have tread to grip the road surface better, disperse water and snow and also contribute to a more quiet and comfortable ride
To enable them to shift water from the road surface during rain which helps to improve grip.
Tyres have tread for traction and to displace water on a wet road. Without tread on a tyre you would have to run tyres with an extremely soft compound construction in order to have traction. This type tyre would not last very long and would hydroplane on a wet road. Race cars run tires without tread on dry racetracks. These type tyres have a very soft compound with excellent traction but are only meant to last around 100-200 miles.
There are many different style of tire treads from sand paddles to dig through sand dunes to racing slicks to get the upmost traction on a tacky hot race track. Generally speaking most average tires have tread to push water away from the tire while traveling so that you have more tire on the road for better grip and so that it decreases the chance of hydroplaning.
For traction and to channel water out from under the tire. If they were smooth they would just spin without moving the car.
To carry water away from the contact patch and let the tread blocks (the part that is not a groove) to sit down on the pavement and provide traction even in the wet. They also have some functionality in snow, providing mechanical traction via the groove edges and their interaction with the snow.
Tread patterns grip road surfaces differently. A good pattern for snow is not good for rain etc.
Tires have treads so they grip the road better in wet conditions. Slick or smooth tires will hydroplane in the wet.
What else can I help you with?
Do wheels have treads?
No, tires have treads.
Do truck tires have tread on them?
Yes, all vehicle tires have treads on them. Truck tires will usually have larger and deeper treads than regular sedans.
Identify the verb in this sentence Most tires have treads on them?
The answer is: have
Why do bike tires have hairs on them?
Bike tires have hairs on them, called treads, to provide better grip and traction on different surfaces, like roads or trails. The treads help the tires grip the ground and prevent slipping, especially in wet or slippery conditions.
How do you pro rate tires?
Tires are pro-rated based on the amount of wear they have. This is largely determined by the depth of the treads.
Why were tires rationed during World War 2?
Because the rubber in tires was being used for war supplies including tank treads and jeep tires.
Why should you not use automobile tire whose treads are completely worn-out?
Because the tire is very thin when there are no treads unless they are racing tires and it is very dangerous
How do you check your tires for adequate treads?
Here is a good article that covers a lot of issues with tires:http://www.ehow.com/how_5077858_check-tires-maintain.html
What would happen if automobile tires had no treads on them?
You will lose traction especially on wet roads.
How wide is 255-45-20 tires?
They are 255 mm wide over the treads.
How do you know if your tires are worn?
If the treads lack definition and/or if the car "pulls" to the left or right.
Why are caterpillar used in battle tanks instead of tires?
A tank uses caterpiller-like treads instead of tires, because the treads give much better traction when traveling cross country (where most tank battles take place).
