The rear derailleur has the known “pogo” issue; it still works but doesn’t connect to the battery well. It should be fixed or replaced. There is cosmetic paint rubbing on the head tube, seat stay, and seat tube. The curved part of the seat tube is worn down to the carbon over a fairly large area from riding with big tires in muddy conditions. You can’t see it (it’s hidden by the tire) and it’s not deep into the carbon; it is very superficial. The brakes need to be bled. The bar tape should be replaced. There are many other blemishes, including on the cranks, shifter/brake handles, etc. This bi...