How to Choose a Jockey wheel
How to Choose a Jockey wheel

Jockey wheels are an essential, yet often overlooked component of a trailer. You need to select the right size jockey wheel for your trailer. A jockey wheel's purpose is to hold your trailer steady and level when it is not being hitched. It also helps you to load your trailer. Because they help in trailer maneuverability, they can reduce the strain on your spine.

Do you prefer a serrated or smooth jockey wheel?

Smooth and Serrated Jockey Wheels

This is the first question that you might encounter when selecting a jockey wheels. So what is the difference? These are the most common, and they are used on most commercial-duty trailers. However, if the clamp isn’t tight enough, the shaft may slip through the clamp and hit pavement during travel. This could result in a severely damaged tire and the need to replace the whole assembly.

The outer sleeve on the serrated jockey wheels has a ribbed design. This is the norm for heavy-duty commercial ones with a diameter greater than 48mm. This is because they need a clamp that matches their ribbing. However, the ribbing at the sleeve solves the problem of the shaft sliding through a clamp.

What is a retractable jockey steering wheel?

Retractable Jockeys Wheel

Next, you might be asked if you are looking for a retractable jockey-wheel. What's the difference? A retractable one eliminates the need to use a clamp. Instead, it bolts to the side of your trailer coupling with a multi hole fixing plate (typically for a square tube coupling or a t-pole coupling).

What does each size mean?

This is the next question. There are two sizes. The jockey wheel's diameter is the most important. ATE has six sizes in stock. The 35mm to 42mm, 48mm to 48mm serrated, 48mm to 48mm serrated and 60mm to 63mm are all available at ATE.

A 35mm trailer would be ideal for those who are looking to transport light weight materials.

You will need a 42mm for larger trailers and unbraked boat boats.

A 48mm thickness is required for commercial and caravan trailers.

For heavy duty commercial trailers, a 48mm serrated, 60mm, or 63mm width is normal.

The most common sizes are 60 and 63mm in diameter and can hold up to 750kg of nose-weight. When choosing a jockey wheels, where the clamp is part or the entire coupling, the width is crucial as it cannot be changed.

The open and closed height are the next size you should consider. This information is only for adjustable height units. It is important to know the lift range between these two heights.

So, in conclusion

Consider the following factors when selecting a jockey steering wheel: what trailer it will be used on, what size you require, whether you need a straight or serrated wheel, and whether a retractable wheel is a suitable option. You should make sure the jockey wheel you select is retractable.


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