Morning!
Usually on a tubed tire, you'll start getting more and more flats from
things that didn't give you flats before. As was said above, you'll
eventually start to see the threads of the tire as well. This actually
happened to my Father-in-law yesterday as we were preparing to go for a
Hi Roberta ! Most of the slick tires I've had will start to show some
white threads when the rubber is gone. Some it comes quicker than others,
and some only in spots while other may be long streaks. It may look like
skid marks. Another way on some tires is a flat groove is worn in the
center
