Shimano Built-in Battery-BT-DN300 / Shimano Built-in Battery-BT-DN300
Shimano Built-in Battery-BT-DN300 / Shimano Built-in Battery-BT-DN300
SKU:IBTDN3003
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The new DN300 battery uses the same waterproof design as Di2. This product is equipped with 3 charging holes to provide stable power for the SHIMANO 12-speed road car transmission and shift knob (if you choose the wired version).
The thin DN300 battery is the same size as the previous generation and can be installed in the seat tube or frame for a neat appearance. DN300 is equipped with 3 connection holes, which can simplify the wiring of the front derailleur and rear derailleur, and provide stable power at any time. The third connection hole is for riders using Shimano's 12-speed Di2 wired link.
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