Bike ≠ Car ≠ Ped.
Join Date: Jul 2007
Location: Washington, DC
Bikes: Some bikes. Hell, they're all the same, ain't they?
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Originally Posted by AndrewP
The Zebrano has an adjustable angle quill stem so with the clip-on aero bars he should be able to accustomise himself to a more road-bike riding position.
That's part of the issue. The other part of why tri/TT bikes are set up with super-steep seat tube angles is to open up the angle between the rider's torso and legs. With the laid-back seat tube of most hybrids -- and even some road bikes -- the rider's legs would end up awfully close to their chest.
That loses efficiency, but it also restricts breathing. Think of how difficult it is to breathe deeply while reaching for your toes; the knee-to-chest distance isn't too much different. Air is fuel. Without good breathing, you're not getting the air you need.
Still, you could set up any bike to approximate a low-down position. Since you say you'll be mostly using it inside, you only need to think about body position, and you don't need to worry about the bike's on-road handling. I'd suggest looking for a seatpost that will let you put the saddle a lot further forward than it is now.