The highest speed I SAFELY (meaning the freeway was not busy, clear day, great conditions, etc)took my recently acquired trike was 90-92 mph and backed off. I just wanted to see how it's engineering panned out; it was great, no shimmering, vibrations, etc. I imagine it's top speed to be maybe 105 mph....diehardbiker can probably vouch for that.
There are 5 pictures in a slide show of our trike at Auto Talk here at AD, page 8 past the middle of the page....post # 123, I think....