The configuration of lug holes on a Chevy Blazer’s wheel hub, dictating the compatibility of wheels, is a vital specification. This measurement, sometimes expressed in millimeters, signifies the diameter of the circle shaped by the lug holes and the variety of these holes. For instance, a “6×139.7” designation signifies six lug holes located on a circle with a 139.7mm diameter. This specification is crucial for making certain correct wheel set up.
This dimensional attribute is important for car security and efficiency. Using wheels with an incorrect configuration can result in wheel instability, potential injury to the car’s hub and studs, and, in extreme circumstances, wheel detachment. Understanding this measurement additionally permits homeowners to discover aftermarket wheel choices or exchange broken wheels confidently. Traditionally, its standardization has facilitated environment friendly wheel manufacturing and broad interchangeability throughout car fashions sharing related specs.