This takes me back. My Dad was an amateur road racer and time-trialer, and also an engineer. So of course he designed his own frame geometry and would talk at l

This takes me back. My Dad was an amateur road racer and time-trialer, and also an engineer. So of course he designed his own frame geometry and would talk at length about stiffness. Back in the days of Reynolds steel tubing this was. No fancy carbon fiber.