Billy, I am 5'11". When I ordered the +5, I was a bit concerned on where the top edge would be, that is, if it would split my field of view. I had ridden a friend's Harley Road King a few years previously and the first thing I noted was that the top edge of the screen did this. Not so with the Clearview. I am looking through the windscreen. I lower it all the way down and it would still be fine.
And yes, it uses the standard Triumph attachments. Perfect. It is a very nice quality piece of work. It actually has a little vertical "sweep" too it.
