Tony Posted November 21, 2020 Report Share Posted November 21, 2020 If you look at the tyres tread you may notice the tread blocks are different sizes. Maybe three large blocks and then two much smaller blocks. The reason for this is contact tyre noise. By having inconsistent size blocks the contact noise is minimal. But?..... With tyres like runflats the "pinch on" and pull off the noise cannot be lost because tyre is so ridged. Here is an example. Quote Link to comment Share on other sites More sharing options...
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