We can declare chassis lateral stiffness but I am curious as to why torsional stifness is not also declared.
Is the torsional stifness used an extrapolation of the lateral values? I am asking as I have noticed that with a heavier bike you cannot reduce the lateral value very much before it all gets very 'weavy' and I am wondering if I am losing torsional stifness if it is a direct function on the lateral value.