It is fully compatible with Dura-Ace (DA), Ultegra (UT), and 105 series hydraulic disc brake models featuring an internal hose routing design (e.g., Dura-Ace R9200, Ultegra R8100, 105 R7100, and their corresponding generation models).
Shimano Di2 Internal Battery DN110
Shimano Nexus Internal Gear Hub Sprocket - 22T - 2.3mm
Shimano Di2 Internal Battery Mount for Pinarello Seatpost Dogma F F12 F10 F8
Shimano Workshop Internal gear hub grease (100 g)
PRO Shimano Di2 Internal Battery Holder for 31.6mm Seatpost – Brand New
Shimano Workshop Internal gear hub maintenance oil dipping set