Shimano BT-DN110-A Built-In Type Di2 Battery (Grey) - Performance Bicycle

Nobody goes Di2 so that they can mount an unsightly battery somewhere on their gorgeous bike. Shimano knows what is up and the internal battery was

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Shimano BT-DN110-A Built-In Type Di2 Battery (Grey) - Performance Bicycle

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Shimano BT-DN110-A Built-In Type Di2 Battery (Grey) - Performance Bicycle

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