is Asymmetrical Tread a Unidirectional tire?

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just wondering if it only can be rotated in 1 direction or can they be criss crossed. im looking at a set of Asymmetrical treaded tires and ive never owned a set nor heard about them untill now.
 
Sometimes they have a side labeled "out." If this were the case, I would guess they could be cross-rotated. But a check with the manufacturer would be recommended.
 
Asymetrical is not automatically unidirectional.
It will state if it is unidirectional.
Normally, asymetrical tires can be rotated and spun in either direction.
 
Asymetrical and Directional are 2 different and independent things.

Asymetrical means non- symetrical - the 2 halves of the tread are different. These will always be marked with "This side out" or words to this effect.

Directional means the tread pattern is significantly different relative to the way the tire rotates. These will always have an arrow indicating the direction of rotation.

PLEASE NOTE:

It is possible to have tires that look asymetrical - or directional - and not be so indicated. This means that the tread pattern, while have the appearance of asymetry - or directionality - doesn't actually have the performance difference that a true asymetrical - or directional - tire has.

AND!!!!

It is fairly rare for a tire to have both asymetry and directionality.
 
Quote:


Goodyear had a set once with LF, RF, LR and RR tires. Supposedly no rotation needed. Yeah right!!!




I think you'll find that was on the Corvette - the front tire size was different than the rear.

If you can afford a Corvette, you can afford the problems associated with no rotation!
 
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What happens to the car or tire if they are mounted incorrectly, such as the "out"side is facing in?




Depending on the specific tire: If you have an asymetrical tire, then you won't get the benefit of the asyetry - that is the "traction" part will be where the "wear" part is supposed to be, and vice versa. The tires won't wear as well and won't have as much traction as they could have.

With directional tires - These are usually wet traction issues and you will lose a bit of hydroplaning resistance if the tires are mounted the wrong way. It's not a lot and an untrained driver probably wouldn't notice nor be able to take advantage of the improvement when properly oriented.
 
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