I use my spare wheel as a jockey wheel when retrieving my trailer. I have it mounted on a stub axle with complete hub and bearings aswell. I have two tubes welded onto the trailer, one where the spare wheel is stored and the other near the the trailer coupling. There is a nut welded to both tubes with a bolt that locks the stub axle in place. Works well for beach launching the boat with a rope, it does not get bogged in the sand as easliy as the small jockey wheels but you need to pull fairly straight. I still have a normal jockey wheel for moving around on hard smooth surfaces.
regards
rpm
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