What Does Wheel Data Mean?

1 Answers
DelGeorge
07/29/25 10:36pm
Wheel data refers to the diameter, width, PCD and bolt pattern, offset, and center bore of the wheel. Below is a related introduction to wheel data: 1. Center Bore (CB): Indicates the size of the wheel's center hole. Although wheels with a different center bore from the original can be installed using adapters, it is not recommended for safety reasons. 2. Pitch Circle Diameter (PCD): A wheel with a PCD of 5x120mm means it has 5 lug bolts forming a circle with a diameter of 120mm. 3. Offset (OFFSET): Also known as the ET value. A positive value indicates the wheel mounting surface is outside the centerline, while a negative value means it is inside. Passenger cars generally have a positive offset, and this value significantly affects the vehicle's driving stability and cornering trackability.
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