I have three sets of less than 1/2 used slicks. Plenty of depth in dots. I change at about 75-80 passes when my 60' falls off. I generally put them on my slower car for another 100+ passes, but I haven't race it much in last couple of years to use the slicks. I have 2 pair or 31" for $150 per pair, and one pair of 33" for $175 pair.
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