What does PCD mean? The Pitch Circle Diameter (PCD) is the diameter of the circle which passes through the centre of all the studs, wheel bolts or wheel rim holes. The easiest way calculate the PCD is as follows: 1) Measure the distance ‘S’ between two adjacent studs from the centre...
The serial number for your wheels can be found inside the rim (under the rim tape) or on the barcode sticker on the rim at the time of purchase. The serial number is the seven to eight digit long number that typically starts with a number “1” or “2”. Are my wheels steel or ...