Shimano BT-R1A External Di2 Battery

$89.98 $119.98
First Time Customer? A Discount Will Be Applied Automatically At Checkout Exclusions Apply
In stock
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/
    • TECH SPECS
    Shifter/Derailleur Compatibility Dura-Ace 7970 Di2
    Shifter/Derailleur Compatibility Dura-Ace 9070 Di2
    Shifter/Derailleur Compatibility Shimano Ultegra Di2