- E-tube Di2 D-FLY inline data transmission wireless unit
- Allows information to be sent wirelessly via ANT+ private network to compatible cycle computers
- Information can be displayed about gear position and Di2 battery level
- Clean integration and installation with E-tube system
- Internal chip enables system wireless functionality of Bluetooth components
- Plug tool required for inserting and removing E-tube Di2 wires
- To be used in conjunction with BT-DN110 or SM-BTR1
- Average weight 5 grams
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