Features:
- SM-BCR2 Internal battery charger is specific to the SM-BTR2 internal battery (BA9070)
- Plugs into SM-EW90 cockpit junction boxes or SC-S705 display unit
- Includes USB (SM-USB1) power adapter
- For use with Alfine Di2, Dura-Ace 9070 and Ultegra 6770 equipped bicycles
- Use with PC to update Di2 component firmware and change system functions
- For use with Alfine Di2, Dura-Ace 9070 and Ultegra 6770 equipped bicycles
- All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
Specifications:
- FD/Shifter Compatibility: Dura-Ace 7970 Di2
- FD/Shifter Compatibility: Dura-Ace 9070 Di2
- FD/Shifter Compatibility: Shimano Ultegra Di2
