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      04-25-2012, 08:20 PM   #4
Alan l.
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Drives: 2020 F95 X5M Competition
Join Date: Jun 2009
Location: United States

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Same number of columns on both tires but one of them is wider in the non K1 tire.

Picture (K1 Ferrari spec left and Normal PSS on the right)

Notice how two of the columns on the normal spec tire (right) is wider and the tread looks deeper which makes sense. K1 tire starts out at 7/32 tread while the Normal tire starts out at 10/32.

Side wall difference (K1 Ferrari on top and Normal PSS on the bottom)

You can see how the K1 tire on top have a more rounder profile where as the normal spec tire on the bottom has a more square sidewall.

According to the Michelin website and the rep that called me both of these tires have a 99Y load/speed rating and all of the specs are identical.

Alan
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Last edited by Alan l.; 04-25-2012 at 09:56 PM..
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