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How to: Choosing a Jockey Wheel
How to: Choosing a Jockey Wheel

Jockey wheels can be an important, but often overlooked part of a trailer. It is crucial to choose the right size for your trailer because of their importance. Jockey wheels are used to level your trailer and keep it steady when it is unhitched. They also help you load your trailer. A jockey wheel can reduce strain on your back and improve the maneuverability of the trailer.

Are you looking for a smooth or serrated jockey wheel

Smooth and Serrated Jockey Wheels

This is the most common question that you will encounter when choosing a jockey wheel. What is the difference between the two? The most popular jockey wheels and the standard for all light-to-commercial duty trailers, are smooth ones. A smooth jockey wheel has one drawback: if the clamp doesn't fit tightly enough, the shaft could slip through it and hit the road while traveling. This could lead to a badly damaged tyre, and possibly the need for a complete replacement.

The outer ribbed sleeve of the serrated jockey wheel is ribbed. This is usually the case for commercial heavy duty ones that have a diameter of 48mm and above. They require a clamp that matches the ribbing on their outer sleeves. The shaft will not slide through the clamp if the sleeves are ribbed.

What is a retractable jockey-wheel?

Retractable Jockey wheel

When looking for a jockey wheels, the next question you may encounter is: What is a retractable jockey steering wheel? What's the difference between a retractable jockey wheel and one that doesn't? Retractable ones don't require a clamp. This one bolts directly to the trailer coupling using a multi-hole fixing plates (typically a square-tube or t-pole coupling).

What does the difference in sizes mean?

This is the next question you should consider. There are two sizes you should consider. The diameter of the jockey wheels is the most important. ATE stocks six diameters. The 36mm, 42mm and 48mm sizes, as well as the 48mm serrated 48mm 48mm, 48mm serrated 48mm, 60mm and 63mm.

For light-weight trailers, a 35mm is the best size.

A 42mm would be required for larger trailers or unbraked boat trailers.

For commercial and caravan trailers, a 48mm is required

Heavy duty commercial trailers will normally need a 48mm serrated, 60 or 63mm diameter.

The most common diameters are 60mm and 63mm. They can support up to 750kg nose weight. It is important to choose a jockey wheel whose clamp is part the moulding on the complete coupling. This cannot be altered.

Open and closed heights are the second dimension to consider. This only applies to adjustable height models. Although it is not as important, it is helpful to know the range of lifts between these heights.

Let's conclude.

When choosing a jockey wheels, there are many things to consider. These include the type of trailer, how big it needs, its diameter, whether it should be smooth or serrated, as well as whether a retractable one would work. If you choose a retractable jockey wheel, make sure there isn’t an existing clamp on the coupling, but that it has a multi-hole fixing plate that can be attached.

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