I am 5'7", 170lbs., inseam of only 29" and I fit so well I do not need to modify anything ergonomically.
Much more comfy than my CBR1000RR where I needed to raise the clip ons.
I do all day rides with this bike and do not feel any fatigue anywhere.
You have to go and actually sit on one. Those that are as tall as yourself will be helpful with their feedback but in the end, it's really up to you and how you feel on the bike that matters.
How about going to where you know Duc riders hang out? Maybe if you ask nicely, they will let you sit on their bike(s). I would.
Good luck.