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

• Battery charger for BT-DN110.
• PC linkage device for E-TUBE PROJECT to upgrade firmware and customize settings.
• Sales model code: SM-BCR2.
• Shimano article code: Small parts.
• Cycling discipline: E-Bike / Di2 / E-tube.
• Use: By bike.
• Type: Battery charger.