• EW-WU111 D-Fly wireless transmitter
• Shifting customization, system diagnosis and firmware updates can now be done through Bluetooth Smart on smart phones and tablets, using the eTube app
• Also allows to send shifting and system data to compatible cycle computers via private ANT+ protocol
• Requires BT-DN110 internal battery or BM-DN100 external battery mount
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BM-DN100 Di2 External Battery Mount
Original price was: $154.39.$85.83Current price is: $85.83.
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