The configuration by which the wheels are fastened to a vehicle’s hub is a crucial specification when considering wheel replacements or upgrades. For the specified model year and make, this measurement dictates the compatibility of aftermarket or alternative wheels. It is typically expressed as two numbers: the number of wheel studs and the diameter of the circle they form. For instance, a “5×5.5” designation indicates five studs arranged on a circle with a 5.5-inch diameter.
Understanding this specification is paramount for ensuring safe and proper wheel installation. Utilizing wheels with an incorrect arrangement can lead to wheel loosening, vibration, and, in extreme cases, wheel detachment, resulting in hazardous driving conditions. Historically, this parameter has been standardized to allow for interchangeability and aftermarket options, providing vehicle owners with a degree of customization and replacement choices. Its precise adherence to factory specifications is vital for maintaining vehicle handling and safety characteristics.