Shimano, BT-DN110 Di2 Battery, Internal, with BlueTooth connectivity, IBTDN110A7

Description

* Di2 internal battery, compatible with all e-Tube Di2 groups (except R9250/R8150 series)* Capacity: 500 mAH (± 2000km)* Use with EW-WU101 or SC-MT800 interfaces/junction to gain BlueTooth Smart wireless connectivity for on-the-fly adjustments with smartphones and tablets* Requires SM-BCR2 charger