Shimano Dura-Ace BT-DN300 Di2 Battery for 12 Speed

Shimano
SKU:
IBTDN3002
Availability:
Limited availability
$184.99
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Estimated availability is 24th Oct 2022

12 Speed Di2 internal battery with 3 ports 

The BT-DN300 battery connects to the rest of the Di2 system using the EW-SD300 wires.

Backwards compatiable with the You would have to use the EW-AD305 adapter to connect it to older components. 

 

Model:
Dura-Ace 9250