The phrase describes the compatibility or interchangeability of wheels or hubs sharing a particular configuration. This configuration is characterised by 5 equally spaced bolt holes organized on a circle with a diameter of 100 millimeters. Figuring out if two parts share this specification is essential for making certain correct wheel fitment on a automobile.
Adherence to constant specs on this facet of car design gives quite a few benefits. It streamlines manufacturing processes, simplifies aftermarket elements choice, and contributes to automobile security by making certain wheels are securely mounted. Traditionally, such standardization has advanced to fulfill the calls for of accelerating automobile manufacturing and the necessity for interchangeable parts.