Why We Like The BT-DN300 Battery
Built to work with the new Di2 Wireless Dura-Ace system we plug and play the Shimano BT-DN300 Battery in our derailleur to get to shifting. The new battery is lightweight and packs a punch, running and lasting longer than the previous version of Di2.
Details
- Compatible with Shimano’s wireless Dura-Ace Di2
- Connects via 300 series Di2 wiring
- Lightweight battery fits in the seat tube
- Item #SHIU1E6








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