Originally Posted by
Thulsadoom
No offense taken, and I didn't mean to come off too strong.
I agree that the BOB will handle great behind the bike while off-road. I've descended at over 50 mph with one behind me on the road and it does great. I've also descended at high speeds (on the road) with a two wheel trailer, with no problems. I believe that the Trans-Am route, that the OP is referring to, is on the road.
Anyways, I always defend the two wheeled trailers. I like to stand occasionally while riding, and I hate it when the bike shakes and feels heavy. I like to feel like I'm riding a bicycle, instead of driving a semi truck, while I tour. In my own experience, the two wheeled trailers work much better for touring and should be considered. Even if they aren't as popular.
We have a Burley (originally for kids). This is two wheeled, and with a single or single-and-insta-tandem/tag-along, it worked fine for us, except (and this may have changed in the nearly 20 years since it was made) that the spring attachment creates a bit of a strange forward and back when you start. Meaning that starting doesn't feel, well, instant.
Also, (and this is specific to this model of Burley), I suspect it won't mount in the presence of a hub-mount brake (disk or drum), based on the nature of the hitch - connecting to the corner of the rear triangle. Don't know whether this has changed, and haven't had the chance to try to see whether they can be made to play together. Will probably check next spring.
So not a two-vs-one wheel question, but I'd look for something with a hitch that doesn't involve a spring (possibly a good thing when there are kid in there, but not so much when there's "stuff"), and doesn't connect to the rear triangle, potentially interfering with hub brakes.