EW-WU111 Di2 Wireless Unit

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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 eTu be 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 Attributes Misc Inline wireless unit Show more