Originally Posted by
TejanoTrackie
Frame stiffness can be tested by placed the front wheel against a wall and standing on the forward pedal with the cranks in the horizontal position. Depending on the frame stiffness, the bottom bracket will move laterally due to out of plane bending caused by torsion. This can be observed and measured.
Honestly I'm puzzled that you think that part of the difference about bikes doesn't come down to how you feel about it. But if you think this is entirely measurable and scientific, more power to you and we'll just have to agree to disagree.