Grip is the tyre's ability to respond to the demands imposed by the cyclist regardless of the conditions (braking, traction or cornering).
In MOUNTAIN BIKE and CITY TREKKING, grip is linked mainly to the tyre's tread pattern, the inflation pressure and the composition of the rubber compound.
For ROAD TYRES, grip depends mainly on the composition of the rubber compound, the inflation pressure and the match between these 2 parameters and the road surface.
On wet surfaces, despite the small width of the contact surface with the road - 7 to 9 mm depending on the tyre size - , the high tyre pressure of around 7 kg / cm² (or 7 bar) on the wet surface is sufficient to cut through the film of water, thus enabling the tyre to grip the road.