(N-0) : Porsche approved tyres. The numerical escalation of Porsche N-Spec tires reflect either enhancements to the previous generation of the same tire model.
RB :
XL : have a higher load index.
PIRELLI SCORPION AT RB
(N-0)
RB
XL
Size : 235/65 R17
Load I. : 108 Speed I. :T