Shimano BMDN100 Di2 Long Battery Mount for External Wiring

The Shimano Di2 BM-DN100 External Battery Mount - Long allows for mounting the BT-DN110 battery to the frame's water bottle cage mounts with external wiring. The mount allows for wireless communication with the EW-WU101 wireless data transmitter unit and Bluetooth components. Battery sold separately.

The Shimano Di2 BM-DN100 External Battery Mount - Short allows for mounting the BT-DN110 battery to the frame's water bottle cage mounts with external or internal wiring. The mount allows for wireless communication with the EW-WU101 wireless data transmitter unit and Bluetooth components. Battery sold separately.

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