We've explained dozens of times over the years the difference between P-metric and imperial tire sizes so we won't cover a whole lot of the same ground, but we really haven't published a conversion ...

Finding the right size tyre for your bike can be more tricky than it at first appears. That’s a result of different ways to define a wheel and tyre’s size and the need for the tyre to fit in your bike ...

Warning, Steven, the full, correct answer to this question is not an easy yes or no. The U.S. Tire and Rim Association Inc., in liaison with corresponding international tire and rim organizations, has ...