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N designations explained

Wheels and Tires

Vehicle Information: Model: 911; Year: 1997; Body Type: Cabriolet; Total Mileage: 69000;

This is to possibly help to understand the N designations (asked in one of the recent questions on tires - "1995 993 tire designation, Motorsport clutch life"). It is as simple as N0 stands for the first tire brand/type/model/size/etc. combination that was approved and N1 is the next version of the same tire approved, N2, the version after that and so on. Actually TireRack website has a very good explanation -

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