Shimano Di2 Charger Btr2 SM-BCR2

 Shimano - Battery Charger - PC Linkage Device

For the charging on internal SHIMANO DI2 batteries (BT-DN110), the SM-BCR2 also serves as a PC linkage device for E-TUBE PROJECT firmware updates and settings.

Features:

-          Battery charger for BT-DN110

-          PC linkage device for E-TUBE PROJECT to update firmware and customize setting