Image It's a one piece design, boosting stiffness by 35%. Weight is also improved over the Aluminum version, but we weren't given an exact number. Use keyboard arrow keys to browse the gallery. Swipe to browse the gallery. Prev Next 9 of 65Autoplay Autoplay SlowMedFast Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter sspomer 9/13/2011 6:39pm Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter