Originally Posted by BluesDawg
...compact vs. traditional style frames is one thing and relaxed vs. aggressive geometry is a completely different thing.
And upright vs aero rider postition is yet something else!
Here's a traditional, relaxed, aero position bike (not mine):
Here are some guys riding aggressive geometry, upright bikes; the red, white & blue ones are traditional, the orange one compact:
BTW, "stability" also involves fork offset and trail, and to a much lesser extent, wheelbase.
HTH,
TCS