Clip-On Aerobars: S-bend vs. J-bend/ski-bend

I believe there's been some data that says J-bend extensions are more aero.  I'm not sure the difference is significant though.

Personally I'm using S-bends.  I took me a bit of time to get used to them, but I tried J-bends and really hated them.  For hard efforts I really feel like I get more leverage with the s-bends and overall have more wrist comfort.  My wife will only use J-bends, so to each their own. 

J-bends for me cause that's what was initially on my bike.  I like them from the fact that I have a neutral position of the wrist instead of having to stretch it for the s-bend.  Plus for me, when I am doing shorter climbs and staying on the bars, I find it easy to have leverage with the arms, otherwise I'm not really holding on, more just resting the hands anyway.

As far as aero, I'm not too concerned about the position of my hand/wrist so really could care less if S or J is more aero given that the drag from my body is so much greater.  

I had S bends stock with my tri bike for several seasons.  On the longer training rides (>2 hours) and races (HIM, IM distance) my wrists were uncomfortable.  I decided to re-do my cockpit this year and switched to ski bends.

Huge comfort improvement.  It's just a far more natural position for wrists.  Now I wish I'd switched to ski bends years ago.

I like s-bends, but it's whatever is comfortable for you. S-bends are nice because you can slide back and forth in your cockpit. J-bends are a bit more restrictive, but the wrist position is more neutral.