Originally Posted by
Spartan112
I thought treads on road tires were irrelevant? I have lots of tiny cuts in them (gotta love New England roads) and the rear I have a hole that is noticeable but not large. I have already ordered new tires (a set of Conti Ultra Race) but if I can get more wear out of the ones that came with my ride all the better.
pcad means rubber.
knobbly "treads" is only relevant on road bikes insofar as you should avoid it.
Squared off tires might still have life left. If you can see threads though, it's definitely time to change. Today.