Road bike wheel stiffness-Shimano BT-DN110-A7 Di2 Battery - Built-In Type North American Spec

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Shimano BT-DN110-A7 Di2 Battery - Built-In Type North American Spec. 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
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