I am thinking of taking my Tarmac SL4 and taking off the DA DI2 for the new SRAM Red. I would then replace the DA 7850 cl24 wheels with Zipp 303 tubulars and get new Keo blade pedals. That would drop almost 2lbs on the bike and it would weigh out at 13.8#. Or, I might just ride it portly as it is.