Apparently conti's were designed especially for 172 cups and the renault supplied tyres are different to other conti's out there.
^^ check out this funny translated 172 Cup spec page
http://translate.google.com/transla...20con%C3%A7us%20pour%20cette%20voiture)%2C%20
somewhere it states the Conti tyres were specially designed for the car..
I wonder if you can still order these exact ones ?
I think they got their facts wrong tbh .