Orders Over $30 Ship Free
Shimano Dura-Ace Di2 DN300 Battery 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. Backward compatible with the You would have to use the EW-AD305 adapter to connect it to older components.
Safe and secure checkout
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.
Backward compatible with the You would have to use the EW-AD305 adapter to connect it to older components.
| Color | Black |
|---|---|
| Option | Internal |
