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| Marking | Meaning | Example |
| Diameter | Overall wheel diameter, measured in inches | 18" |
| Width | Wheel width, measured from edge to edge | 8.0" |
| PCD | Bolt pattern and bolt circle diameter | 5x114.3 |
| ET | Wheel offset, measured in millimeters | +35 mm |
| DIA | Center bore diameter, measured in millimeters | 67.1 mm |
Example: 18x8J 5x114.3 ET35 DIA67.1 — 18" diameter, 8" width, 5x114.3 bolt pattern, +35 mm offset, and 67.1 mm center bore.
