How to Measure Your Trailer Wheel Bolt Pattern

This How-To will guide you through the correct way to measure your Trailer Wheel Bolt Pattern. The trailer sizes that you will find in the trailer industry are 4.5″, 4.75″, 5″, and  5.5 in the 5 lug. This very simple guide will demonstrate how to correctly measure it in order to order the exactly bolt pattern.

1 – The only secret is to measure it on the outside of the stud, or really close to it. This is when mistakes happen, DO NOT measure center to center.


2 – Measure it until the center of the stud. 

3 – This is an example of how to measure your bolt pattern. – Just measure the first one on the outside of the stud, skip the one on the top, and measuring the second stud until the middle of it. A 5 x 5″ Trailer Wheel was used in this example, and as you can see, it is really simple to get the correct bolt pattern by following these steps.
Whether you have a 4.5″, 4.75″, 5″, or 5.5″ Trailer Wheel, by measuring using these instructions, you will be able to purchase to correct bolt pattern.