Originally Posted by fastmark
My concern would be the problem that the white rubber might be just under the surface and ready to be exposed by the slightest abrasions. As much as those cost, I’d be concerned as well.




I had the same thing on my first set of Polyglas F60-15's that I bought about 16 yrs ago, trim the t1ts off and daub with a sharpie....done, no fuss, no muss, no issues...


this is nothing new, just a manufacturing condition, it may vary tire to tire, or lot to lot?