Shimano BM-DN100 Battery Mount for SM-BTR1 Di2 Battery-Pack

Shimano Di2 BT-DN110-A1 Battery Pack

Mount with integrated charging socket for installing the BT-E8010, BT-E8014 & BT-E8016 batteries.

Shimano STePS BM-E8016 Battery Mount for Down Tube - 300mm

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Electronic Shifting Components of Shimano Parts, Campagnolo, SRAM

Shimano BM-DN100 Battery Mount for SM-BTR1 Di2 Battery-Pack

Shimano Di2 SM-Btr1 External Battery

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Shimano Di2 BM-DN100-S Battery Mount short internal/external

Bm Dn100