Understanding your Stud Pattern (PCD) is crucial when searching for spare wheel parts like rims or hubs for your trailer or caravan.. This guide will help you learn how to identify your stud pattern.

Stephen Wotherspoon
Known for his extensive wisdom, Steve shares his expertise to help bridge the information gap in the industry, making sure everyone can hit the road with confidence.
How to contact our Technical Team
Email: sales@couplemate.com.au
Phone: + 61 7 3348 38 22
5 Things to Know: Mounting Springs Above Your Axle
Five things you should know before you flip your trailer axle and springs. If you have ever wondered why people put their springs above the axle, this is your answer.
Overview of Industry ADRs & Regulation Material
As a trailer owner or manufacturer, you must adhere to Australia's required safety standards and regulations. The Australian Design Rules (ADR) are a set of rulings that reference the applicable Australian Standard to which equipment integral to or auxiliary to the...
Intro to Road Vehicle Compliance (CTA)
Road vehicle compliance applies to all Australian trailer and caravan manufacturers. Until June 30, 2023, certification numbers such as a CRN or SARN could be used to demonstrate compliance to relevant bodies. After the official implementation of CTAs (and...
Caravan Electric Braking Solution
Our testing has found electric drums are not magnetised when an energised magnet engages a drum for several days. However, by turning the drum and applying a magnet to the surface of the drum, a different result is achieved.
Shackles for Safety Chain Connections (3.5t ATM)
Drawbar safety chain attachments should not come into contact with the road surface when the trailer is disconnected. – VSB1. Safety chains must be stamped at least every 4 links.