Product Description
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.
$187.42
$220.00
15% Discount
You save $32.58
In Stock
at Backcountry.com
Price verified 1d ago