Shimano E-Tube Internal Battery SM-BTR2

  • Our Price: $159.99


Shimano Di2 Batteries. Must purchase battery, charger, and power cable to complete the system.
  • Compatible with Dura-Ace 9000 and Alfine Di2 equipped bicycles
  • Due to E-tube wires SM-BTR2 Internal Battery is not compatible with Dura-Ace 7970
  • Charges with USB power adapter (SM-USB1), QBP part CY9071
  • Not compatible with Ultegra EW67-A-E (CY6780)
  • Not compatible with Dura-Ace 7970 Di2 systems
  • 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
Item Specifications
Shifter/Derailleur CompatibilityDura-Ace 9070 Di2,Shimano Ultegra Di2,Dura-Ace 7970 Di2

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