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Hours: Mon-Fri 10-6, 
Sat 10-6, Sun 12-5
Liberty Bicycles
1378 Hendersonville Rd.

Asheville, NC 28803
828-274-2453

 
 
 
 
 
 
 
 
 
 

Shimano

BT-R1A External Di2 Battery (BA7970)

$100.00
Shimano Di2 Batteries. Must purchase battery, charger, and power cable to complete the system
  • Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
  • All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
  • 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
Item Specifications
Shifter/Derailleur CompatibilityDura-Ace 7970 Di2
Shifter/Derailleur CompatibilityDura-Ace 9070 Di2
Shifter/Derailleur CompatibilityShimano Ultegra Di2
 

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Liberty Bicycles | 1378 Hendersonville Rd. | Asheville, NC 28803 | (828) 274-2453