Di2 battery holder without bracket.
Shimano Di2 Battery Mount BM-DN100-S Short Internal / External Routing
Shimano Di2 Battery Charger for BTR2 - SM-BCR2
Shimano Steps Battery Mount BM-E8030 Internal Battery with Lock BT-E8035 & E8036
SHIMANO Black Aluminium Di2 4-Port Junction Box for Front & Rear Derailleur, Cockpit Junction Box & Battery Mount
Shimano Di2 Internal Battery Mount for Pinarello Seatpost Dogma F F12 F10 F8
M:part Di2 Seatpost Battery Mount Internal Post Diameter 24.5mm to 28mm
