Bolt patten, or lug pattern, is the measurement of an imaginary circle formed by the bolt holes at the center of your wheel.
Vehicles are measured in 4, 5, 6, 7, or 8 bolt holes.
Example: A bolt pattern of 5x112 means there is 5 bolt holes on a circle with a diameter of 112mm.
Measured in millimeters, offset is the the distance from its mounting surface (where the nuts/bolts go) to the centerline of the wheel. A lower offset gives
the set up more stance, pushing the wheels towards outwards. See photo below for an example:
Centerbore of a wheel is the machined opening in the center of the wheel that is mounted onto the hub of the vehicle.
If a wheel's center bore matches the exact size of the vehicles hub then they are a Hub-Centric
fit. Many aftermarket wheel
options have larger centerbore by design so they can fit many vehicles. Hub Rings
are plastic/metal ring that are used to
fill the gap in between the bore and hub. These rings are important to eliminate any vibrations while driving.
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