The string of letters and numbers wrapped around your tire sidewall is not decoration. It is a compact spec sheet that tells ...

It’s been a while since we did a Wednesday Wonderings question and answer, but Bill from Michigan, who is not a UCI racer, had a question about tire width: What method and how rigidly is the 33c tire ...

You’d be forgiven for not paying too much attention to the markings on your tyres. These days, you can order a set of new tyres simply by sticking your car’s registration number into a website, which ...

Our Wednesday Wonderings is back with a rare Sunday School edition for Easter, and it’s a meaty one. One reader, perhaps inspired by our last Wednesday Wonderings reader question on tire width rules, ...

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 ...