F1 testing: Sergio Perez says tyre degradation is now 'extreme'
|By Sam Tremayne and Pablo Elizalde
||Wednesday, February 20th 2013, 17:58 GMT
Sergio Perez says the degradation of this year's Formula 1 tyres is a big concern, admitting he has been surprised by how 'weak' the rubber is
You have viewed over 30 free stories this month. Why stop there? Click here to find out how to continue reading.