Stud Pattern (PCD)
Stud Patterns (PCD) Explained:
The Stud Pattern of an alloy wheel is the spacing between each of the wheel bolt/nut holes. This is known as P.C.D or 'Pitch Circle Diameter ' which is the measurement from the centre of each wheel bolt hole on the alloy wheel. Below is a diagram that explains this measurement on 4 and 5 stud examples. There are various stud patterns for each vehicle manufacturer ranging from 3 stud on some Peugeot/ Citroens and Smart Cars though 4 and 5 stud up to 6 studs on many 4 x 4 and SUV’s. Race and Road will have the information for your vehicle based on its year and model. We will work out what your vehicle requires.
4 Stud PCD (4x100) 5 Stud PCD (5x100)
For example if measurement A was 100mm then the Stud Pattern or P.C.D would be either 4x100 or 5x100. Again if the measurement A was 108mm then the Stud Pattern or P.C.D would be 4x108 or 5x108 and so on.
Below is a list of common stud patterns or P.C.Ds with applications, click the stud pattern to download a pdf diagram of each fitment:
4 x 98: Alfa Romeo, Fiat
5 x 98: Alfa Romeo, Fiat
4 x 100: Renault, Vauxhall, Volkswagen
5 x 100: Audi, Subaru, Toyota, Volkswagen
4 x 108: Audi, Ford
5 x 108: Alfa Romeo, Fiat, Ford
5 x 112: Audi, Mercedes, Volkswagen
4 x 114.3: Honda, Hyundai, Mazda, Nissan
5 x 114.3: Honda, Hyundai, Lexus, Mazda, Nissan
5 x 120: BMW
These are the common passenger car Stud Patterns, there are others for commercial vehicles, 4 x 4s and SUVs. I you wish to check wheel fitments for you vehicle please call us with you wheel model and application.
Please also remember that the correct Stud Pattern does not mean wheels with a matching pattern will definitely fit. Apart from Stud Pattern wheels feature a measurement called Offset but this is explained in another section.
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