tire traction marking....A AA
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Thread: tire traction marking....A AA

  1. #1
    NECO Member
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    tire traction marking....A AA

    What is the difference between A and AA for high performance tires? in regards to traction?

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  3. #2
    w00t! Gold Member ND4SPD's Avatar
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    Re: tire traction marking....A AA

    An excerpt from About.com:
    The Traction rating is a letter based on a straight-line wet surface braking test. The ratings are AA, A, B, and C. AA is the highest rating possible. The AA rating is relatively new and many tires currently rated as A might qualify for an AA rating, but have not yet been tested. It is important to remember that the test does not test hydroplaning resistance, nor dry or snow traction nor, cornering capability - wet, dry or snow.
    ~Matt~

  4. #3
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    Re: tire traction marking....A AA

    woudlnt a straight line braking test with heavy water encounter hydroplaning ?

  5. #4
    is a pop sensation Lifetime Platinum MemberModerator sonza68's Avatar
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    Re: tire traction marking....A AA

    Possibly. That is why my slicks get a C traction rating. Most high performance street tires have enough water evacuation capacity to rate highly in the test though.
    Just because I don't care doesn't mean I don't understand.

  6. #5
    NECO Member megeh piggeh's Avatar
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    Re: tire traction marking....A AA

    my tires are an AA rating.. but they r also a 280 treadwear.. really soft
    cougardomain
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    ...like a giant metal turtle on wheels.

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