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Raleigh - Durham - Chapel Hill - Cary/ApexCarrboro   Hours At All Locations: Mo-Sa 10-7, Su 12-5  Dedicated Parking At All Locations
 

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Shimano
BT-R1A External Di2 Battery (BA7970)

$113.90

Features and Information

BA7970
  • Battery weighs 71g
  • Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine 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 http://e-tubeproject.shimano.com/
Item Specifications
Shifter/Derailleur Compatibility Dura-Ace 7970 Di2
Shifter/Derailleur Compatibility Dura-Ace 9070 Di2
Shifter/Derailleur Compatibility Shimano Ultegra Di2
 

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