The friction circle is literally a plot on a chart representing a tire’s maximum grip in both the lateral (cornering left or right) and longitudinal (braking and accelerating). Usually ...

It lost grip at 44.9mph on the longitudinal test and couldn’t complete the wet circle any faster than 12.1sec. Interior noise at 30mph was reasonable, but the Landsail was the loudest at 60mph ...

The Tire Lab ratings also highlight the Potenza Sport's strengths in wet conditions, ranking it ahead of 92.6% of competitors in wet handling, 92.1% in wet circle cornering, and 77.2% in wet braking.

Tyre Grip creates a "better grip on snow, ice, and slush" by providing "an adhesive surface that grips the roads." You spray it on tires, and it's supposed to work for up to 50 miles per application.

The best road bike tyres for speed, grip, and puncture protection. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Tubeless tyres offer more grip and are lighter. They’re the tyre of choice for serious mountain bikers but are becoming more and more popular with road cyclists.