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Old 03-20-2013, 10:23 PM
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JCL JCL is offline
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Location: Vancouver, Canada
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If the lugs, the blocks on the edge of the tread, are all the same dimension then you get noise, because they set up a harmonic. If they are different sizes then they are much more likely to be quieter. Modern tires use this feature to provide traction and low noise.
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