hi gauv, I've been tempted to buy some used ones for my Troll with dropbars, as I have ridden a few times with people my age who are pretty hard core bikepackers and use them. They do big big distances per day and have done the Tour Divide ride etc.

oh, I agree that elcruxio's post is very imformative--and the part he mentions about the height they are at being important made me think of the riders I know , as their front ends on their dropbar bikes are fairly high, and so the aerobar setup is also quite high and in a comfortable position--which as elcrux brings up, the whole body, back and seat position issues that can come with too low an aerobar setup.

the comment about potentially losing the tops area could be an issue, although it seems to me your bike doesn't use drops no?
On long slow climbs, I use the tops a lot, and would not want to lose that hand position.

also, when I started looking at aero bars for fun, it would appear that there are lots of them with varying setup differences (height of arm pads, type of pads, flip up or not, width of pads, width and length of forward facing bars etc etc), although the Redshift stuff is known for being well thought out. (from what I've heard about them by folks using their flexible stems etc)