Originally Posted by
dahoneezz
About the torsion bit, come to think of it, I dont think there is much torsion transmitted to the main hinge during riding. Major force is in plane bending probably.
I think there is torsion. It is probably maximum when you are standing on one pedal mainly as in standing going up hill or less when just taking off from a stop. The force of the load applied at pedal produces torsion.