Join Date: Nov 2003
Bikes: Leader home built hardtail, Diamondback Response
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.They are fit differently from a normal road bike. When you are making power and working hard, you will be so far forward on the saddle that your never going to mistake it for a comfortable ride. Think of the long nose of the tri saddle becoming a an internal part of your anatomy.
The riders head is placed low for aerodynamic reasons. On a normal frame, this closes up the angle between the chest and the thighs restricting breathing. To compensate, a TT bike has the angle of the seat tube rotated forward. This places your body more forward of the pedals and opens up that chest/thigh angle again so you can breath. When you first start to ride one, you may feel like you are laying on your stomach with your feet well behind you.
The front wheel carries more weight than a normal road frame.
The steering when you are on the aero bars is much more sensitive, to the point that without practice, you will be darting from side to side. Imperfections in the road surface will pull and push you around more. Unless you install a third brake lever (they are made for tri bikes but do not serve full braking function) the brake levers will be far away from your hands when you are on the Aero Bars. That's not too bad in a race, but can be a bit of bother in the real world.
The TT bike is designed to make maximun speed with whatever power you bring to the table. That would mean less work for any given speed which may not be what your looking for in the fitness end of things. The tradeoffs are large and you will probably not get more fit.
One last item. They do not work at all well if you're carrying a spare tire. I know.
We are an empire. Use it wisely.
Last edited by maddmaxx; 04-06-12 at 12:31 PM.