Adapter Extension 540 mm / 23 mm for Caravan Screw Jack
11,90 €
Adapter Extension 540 mm / 23 mm for Caravan Screw Jack
11,90 €
Shipping price from: 6,90 €
Product Product in stock
Adapter Extension 540 mm / 23 mm for Caravan Screw Jack
Product.Nr.: 990012792
- Adapter extension for screw jacks on caravans
- 540 mm length for practical extension of the operating/reach distance
- 23 mm socket/diameter for a secure connection to the jack
- Suitable for almost all caravan types
This adapter extension is a robust addition for the caravan screw jack (also called a crank support). It increases the reach between the operating point and the jack, making winding down and stabilising the caravan easier-especially in tight spaces or when access to the jack is restricted.
The adapter is suitable for almost all caravan types and is used as a practical extension to reach the existing jack operation/connection more comfortably. Ideal for camping, pitch use, workshop applications and quick use on the road.
Technical data
- Product type: Adapter extension for screw jack
- Length: 540 mm
- Diameter/socket: 23 mm
- Dimensions (L × W × H, unpackaged): 517 × 28 × 30 mm
- Application: Caravan, suitable for almost all caravan types
Note: Before purchasing, please check the required diameter (23 mm) and the existing connection geometry of the screw jack to ensure a secure fit.
Frequently asked questions about this product
Three factors are key:
- Tube diameter — measured on the support wheel’s tube, not on the bracket. Common sizes are 35, 48 and 60 mm. It’s best to check with a calliper: a 48 mm support wheel won’t fit into a 60 mm bracket.
- Load capacity — this must match your trailer’s tongue load. A support wheel that is not strong enough will bend or become impossible to crank under load.
- Design — automatic jockey wheels fold in automatically when the trailer is coupled; basic models are cranked up by hand and locked into place.
Go straight to the right size: 48 mm jockey wheels, 60 mm jockey wheels or the full overview.
Common mistakes: ordering the wrong tube diameter; failing to crank the jockey wheel fully up or lock it in place before setting off; the clamp being too loose. A jockey wheel that spins freely can quickly cause damage on the motorway.
When it’s worth replacing: a worn-out wheel, a stiff crank, or a worn-out spindle. In most cases, a complete training wheel is cheaper than buying the parts separately.
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