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When it comes to customizing your vehicle, selecting the perfect set of Wheels is a crucial step. Not only do they add to the aesthetic look of your ride, but they also play a vital role in its performance and safety. However, before you dive into the vast designs of custom Wheels, there’s an essential factor you need to consider – the bolt pattern. Understanding and accurately measuring the bolt pattern is fundamental for ensuring your dream Wheels fit your car perfectly. Here’s a comprehensive guide to help you master the art of measuring bolt patterns for custom Wheel fitment.

Understanding Bolt Patterns

The bolt pattern, also known as the lug pattern, refers to the number of bolts that secure the Wheel to the vehicle’s hub, as well as the diameter of the circle that these bolts form. It is usually represented by two numbers: the first indicates the number of bolt holes, and the second describes the diameter of the circle (in millimeters or inches) that these holes form.

For example, a bolt pattern of 5×114.3 means the Wheel has five bolt holes, and they form a circle with a diameter of 114.3 millimeters.

Measuring Bolt Patterns

For Wheels with an Even Number of Bolts

  1. Direct Measurement: Place your ruler or measuring tape across the hub, measuring the distance between the center of two bolts directly opposite each other. This measurement is the diameter of the bolt circle, and when combined with the number of bolts, gives you the bolt pattern.

For Wheels with an Odd Number of Bolts

  1. Measuring the Diameter of an Imaginary Circle: Since you cannot measure directly across from one bolt to another, you’ll need to measure from the center of one bolt to a point halfway between two bolts directly opposite. This method requires a bit more precision but will give you the diameter of the imaginary circle formed by the bolts.

Using a Bolt Pattern Gauge Tool

  1. The Foolproof Method: If you want to skip the math and ensure accuracy, using a bolt pattern gauge tool is the way to go. Simply align the tool with the bolt holes on your Wheel or hub, and read off the bolt pattern measurement. This tool eliminates the possibility of measurement errors, making it the preferred method for professionals and enthusiasts alike.

Tips for Success

  • Accuracy is Key: Take your time when measuring and double-check your measurements. A small mistake could mean your new Wheels won’t fit.
  • Know Your Vehicle’s Specifications: Consult your vehicle’s manual or manufacturer’s website for information on its specific bolt pattern. This can serve as a cross-reference for your measurements.
  • Consider the Offset and Hub Bore: While the bolt pattern is crucial, also pay attention to the Wheel offset and hub bore size for a perfect fitment.
  • When in Doubt, Consult a Professional: If you’re unsure about your measurements or the fitment, it’s always best to seek advice from a professional. At RNR Tire Express, our Tire and Wheel Experts are always ready to help you find your perfect custom Wheels!


Measuring bolt patterns for custom Wheel fitment is an essential tool needed for any car enthusiast looking to customize their vehicle. With the right tools and a careful approach, you can ensure that your new Wheels will not only enhance the look of your ride but also fit perfectly, ensuring optimal performance and safety. Remember, precision is crucial, so take your time and double-check your measurements, and if you have any questions, head over to your local RNR Tire Express! To find a location near you, visit www.RNRTires.com/Locations.

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