Marbles is the term used for the fragments of rubber that are shed from the tyre as it is exposed to extreme forces while the car is being driven in anger – practice, qualifyingQualifying (Quali) is a one-hour session used to determine pole position and the order the cars will line up behind... There's more... or the race. These are typically flicked off the racing line
The racing line is the line a racing driver follows to take corners in the fastest possible way. By using the... There's more... and tend to accumulate creating an area described as ‘dirty’.
The fragments can be treacherous to the cars as they act like marbles and greatly reduce gripGrip is the magic that holds the car on the road as it accelerates, turns and brakes at extreme levels.... There's more....