Shimano Di2 Road Bike – Internal Cable Routing, Hidden Battery, Custom Paint

We recently completed our first official Shimano Ultegra Di2 build with internal cable routing and a hidden battery. Being a bicycle company that custom paints every bike that leaves our headquarters, aesthetics are pretty important. Thus, hiding the electronic wiring and reducing wire clutter was a priority, while maintaining practicality. Plus, we wanted to hide the bulky battery! The removable …