Why are single wheel trailers no longer marketed?
While single wheel trailers are very cool, easy to tow, fairly small and light, there are a few problems with them that two wheel trailers don’t have. Reason 1: One of the key reasons for the demise of the single wheel trailers popularity may have been the difficulty of moving it around un-mounted to the vehicle. Some manufacturers tried to counter this difficulty with telescopic legs or fold up legs, but moving, mounting and dismounting are all fairly difficult. It becomes a balancing act to keep all four corners balanced on the single swivel wheel as it turns and spins. Reason2: Two wheel trailers have a standardized ball sizes and have for some time. So if you wanted to upgrade to a new or bigger trailer all you had to do in most cases was change the ball if need be. If you wanted to upgrade to a new or different model single wheel, the mounting to the car was more than likely different as this was never standardized. This lack of standardization in mounting was probably the largest
