This is done with no air in the tube. Just roll the tire tread back and forth between your thumb and a finger. As the tire wears, the center becomes thinner, and the difference in thickness becomes more obvious.
PJW On Fri, May 27, 2016 at 8:51 AM, Steve Palincsar <palin...@his.com> wrote: > > > And yes, I agree, excessive thinness of tread is my major reason for > replacing tires. I gauge it by pinch-testing the tire. > -- Peter White -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at https://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
