From the Facebooksite of Focus bikes: “Some things are difficult to explain. So a lot of people asked us how we manage the cable routing of our Di2 bikes. Even the “standard” product pictures doesn’t show the routing in detail, here are some pictures which display this much better. The Cayo Evo frame is the newest development in our road segment. In regard to its shapes and design, it is in one line with the top model Izalco. They both have internal cable routing, for mechanic as well as for electric group sets. Our engineers focused on hiding the Di2 cables as often as possible. The result is a nearly “clean” frame. The cables are only visible at the handlebar, at the seatpost (for the front derailleur), at the bottom bracket (for the battery) and at the least at the end of the chain stay where it reaches the rear derailleur.”