Shimano BT-DN300 Di2 Battery - Bow Cycle, Calgary, AB

Shimano BT-DN300 Di2 Battery 12-Speed – CCACHE

Bicycling Catalog - Bow Cycle, Calgary, AB

SHIMANO BT-DN300 Built-in DI2 Battery - for Dura-Ace

Accessories - Bow Cycle, Calgary, AB

Electronics - Bow Cycle, Calgary, AB

Parts - Bow Cycle, Calgary, AB

Shimano BT-DN300 Di2 Battery w/opkg – Incycle Bicycles

Shimano BT-DN300 Di2 Internal Battery for R8100/R9200

Other - Bow Cycle, Calgary, AB