Shimano Di2 Battery Charger PC Linkage Device SM-BCR2

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
• Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/

Specifications:

• FD/Shifter Compatibility: Dura-Ace 7970 Di2
• FD/Shifter Compatibility: Dura-Ace 9070 Di2
• FD/Shifter Compatibility: Shimano Ultegra Di2