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SKU: BA7970 Product qualifies for Free Shipping Shimano BT-R1A External Di2 Battery


Shimano Di2 Batteries. Must purchase battery, charger, and power cable to complete the system.

  • 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/
  • Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine Di2 systems
  • Battery weighs 71g
Manufacturer  Shimano
Manufacturer Part Number  ISMBTR1A
UPC  689228289635
Model  Shimano Di2 Battery
Shifter/Derailleur Compatibility
Dura-Ace 7970 Di2
Shifter/Derailleur Compatibility
Dura-Ace 9070 Di2
Shifter/Derailleur Compatibility
Shimano Ultegra Di2
Currently Out of Stock
Sorry, 'Shimano BT-R1A External Di2 Battery' is currently out of stock. Please check back later or contact Bikeman for an expected availability date. Refer to our Shipping Terms for more information.


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