A picture is worth a thousand words, yes that is a different one than the model I saw. Now let me pick at the tire What size is it and Ply? the ones the bustech uses is 16 inch (same as the bike size for longer wear) and it's also Six-Ply meaning that you won't need a to carry a spare , that makes the tires last about 50 thousand miles at 35 PSI. also they have sealed wheel bearing (never need to be repacked) as with other ball hitch trailers. Just some other things to think about if your looking to compare.
. We will be pulling ours to Hot Springs for show and tell 
Didn't have a clue what they use for tires, bearings, et.al. Took a look at their website and the spec's weren't fully forthcoming. Did say the tire was 16"x3" but no other details on type or anything regarding axle or bearing size. The sealed bearings are so common anymore it's likely. But without mftr confirmation that's of course merely speculation.
I always just go back and forth on those one wheeled units. Some days I like 'em. Some days they're funny looking. Depends a lot on the paint work. FWIW here are the remainder of the specs just liberated from the mftr's website:
Standard Features: Specifications:
LED taillights
Side marker lights
Sealed bearings throughout
All stainless and chrome hardware
Adjustable rear shock
Powder coated frame
Locking lid with safety catch
Gas lid shock
16x3 tire
Chrome spoke wheels
Interior carpet in box
High gloss gel-coat finish in black or white
4 wire trailer connector
Unsurpassed quality
One year full warranty
Overall length 78"
Overall width 30"
Overall height 27"
Empty weight 79 lbs
Cargo box
Max inside length 42"
Max inside width 28"
Max inside height 21"
Max recommended load 100lbs