I was hoping you guys could shed some light on the science of sizing tires. What makes a certain tire size right for a bike? And can you please explain why slapping a big, fat, wide-as-will-fit tire ...

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

Road bikes are being ridden on more diverse terrain than ever before thanks to equipment that is becoming more and more versatile. Disc brakes, more generous gearing, and of course wider tires now ...

Which bike tires are best? If you’re a regular bike rider, it can be easy to forget about the tires that get you from point A to point B. Without a quality pair of tires, your bike will be more prone ...

Swap your knobby gravel tires for these expert-tested wide slicks and enjoy a smoother, faster, and more comfortable pavement ride—even in cold weather.

After months of speculation, the UCI gives the green light to 32-inch wheels, allowing them in MTB races next year.