I have a 2011 Cervelo P3 10 speed dura ace and would like to
upgrade to Di2 internal . Will the internal battery fit in the seat post? Can I run wires with out knocking out bottom bracket? I wouldn’t mind doing so and installing a bbinfinite. I also understand I will have to enlarge the holes where the shifter cables enter the down tube. I have ordered a new wheel with an 11 speed hub. Any help would be appreciated. Not much specific info out there that I can find.