In case anyone is interested. Recently weighed. Fronts are without discs or hardware but include spacers as these are captive on the Oz wheels so weighed those with the OEM also OEM V4R wheels: Rear: 3665g (8.05lb) Front: 3239g (7.14lb) Oz Racing Cattiva R magnesium wheels: Rear: 3018g (6.65lb) Front: 2849g (6.28lb)