This amount of stiffness allows for very fine suspension tuning, because it virtually eliminates chassis flex. (automobilemag.com)
It's also true that a soft top is not necessarily what you want on a performance car, as it lends itself to increased chassis flex. (fordauthority.com)
This led me to believe that there was quite a bit of chassis flex as the Beetle crawled over the lunar surfaces of downtown San Francisco's perpetually - under - construction roads. (cnet.com)