Ever found a set of wheels online and had no idea if they’d fit your car? Understanding PCD (Pitch Circle Diameter), also known as your wheel’s bolt pattern, is one of the most important parts of wheel fitment—and it’s easier to understand than you might think.
In this episode, the KONIG Wheels team breaks down exactly what PCD is, why it matters, and how it’s used to determine whether a wheel will fit your vehicle. We also walk through several methods for measuring bolt patterns, explain common PCD sizes, and share a few industry tips and tricks to help you identify unknown wheels with confidence.
Whether you’re shopping for wheels on Facebook Marketplace, browsing classifieds, or simply looking to expand your wheel fitment knowledge, this guide will help you avoid costly mistakes and better understand one of the most fundamental wheel specifications.
Topics Covered:
- What PCD (Pitch Circle Diameter) actually means
- How bolt patterns are measured
- Measuring 4-lug, 5-lug, and multi-lug wheel patterns
- Common bolt patterns and applications
- Wheel fitment tips from industry experts
- How to identify unknown wheels before you buy
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