Shimano Di2 Battery Charger - Road Bike Shop
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|Shimano Di2 Internal Battery Charger
The Shimano Di2 Internal battery charger makes charging your Di2 electronic shifting system a snap. With its indicator lights that tell you when it's charging and when it's fully charged, you don't have to guess. Plus, a full charge takes just 1. 5 hours. But don't worry too much about missing a...