Shimano E-Tube External Battery SM-BTR1

  • Our Price: $69.99

Description

Shimano Di2 Batteries. Must purchase battery, charger, and power cable to complete the system.
  • Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 7970, Dura-Ace 9070, Ultegra 6770 and Alfine Di2 systems
  • Battery weighs 71g
  • 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/
Item Specifications
Shifter/Derailleur CompatibilityShimano Ultegra Di2,Dura-Ace 7970 Di2,Dura-Ace 9070 Di2

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