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 ...

This tyre was also the worst in all three aquaplaning tests. 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 ...

Wet roads mean less friction and reduced tire grip, which makes it quite difficult ... wet handling ratings and placed second in the wet circle category. A sports performance tire, the Kumho ...

It’s all down to how the rubber pattern interacts with the smooth road tarmac but, unlike car tyres, a very light tread pattern is sufficient to displace water and grip to the road. Smooth ...