Any Di2 bike that uses E-tube wires (Except 7970) can be upgraded to use Bluetooth connection you just need to install either the EW-WU101 wireless communicator or one of the new display units. (NOT INCLUDED).
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Any Di2 bike that uses E-tube wires (Except 7970) can be upgraded to use Bluetooth connection you just need to install either the EW-WU101 wireless communicator or one of the new display units. (NOT INCLUDED).
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