Shimano EW-WU111 Wireless Unit

The Shimano EW-WU111 Wireless Unit is a small transmitter that allows pairing of your Di2 system to Bluetooth and ANT+ enabled devices. It unlocks the full potential of your Di2 system, allowing it to wirelessly link with your phone, tablet or compatible cycling computer. Paired with a head unit or cycling computer, the EW-WU111 will wirelessly relay critical information about your Di2 shifting system. Gear position, battery life and more will be available at a glance and keeping you in the know when it comes to your electronic shift system. Paired with a Bluetooth-ready phone or tablet, you will be able to reprogram and perform system checks of your Di2 system on the fly with Shimano's E-Tube Project App, available for Android and Apple devices. Requires updated BT-DN110 internal battery or BM-DN100 External Battery Mount for proper Bluetooth functionality, as well as a short Di2 cable (sold separately) to connect Wireless Unit to Junction A.