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 ...

I tested 25, 28, 30, and 32 mm tires. The fastest tire was nearly six seconds per mile faster than the slowest.

For the last few years, tire width, air pressure, and how that air is held inside our tires have been at the center of some of the hottest bike-tech discussions among road cyclists. This is for good ...