Shimano Di2 BT-DN110 Internal Battery
$166.99
![BTD BTD](https://intheknowcycling.com/wp-content/themes/intheknowbiking/images/btd.png)
The Shimano Di2 BT-DN110 Internal Battery features new firmware and a larger memory capacity in the integrated chip that allows Synchro Shift and Bluetooth customization via Shimano’s wireless E-Tube Project app