Trailmanors are designed to not sway and are known to be very safe. However, if you put a bike rack or other heavy item on a trailer hitch, you have to be aware of the weight distribution in the trailer.
There have been discussion regarding sway and weight distribution. There are several technical articles on this forum related to sway and weight distribution:
Trailer Sway and Sway Control:
https://www.trailmanorowners.com/for...ead.php?t=2923
Choosing a Weight Distributing Hitch:
https://www.trailmanorowners.com/for...ead.php?t=2922
How to Adjust the Weight Distributing Hitch:
https://www.trailmanorowners.com/for...ead.php?t=2922
Here is a video showing the effects of trailer loading and sway, but also weight distribution and steering ability. It was quite informative, using simple demonstrations: