Di2 INTERNAL BATTERY
SHIMANO - BATTERY, BT-DN300, BUILT-IN TYPE
Power your electronic Shimano Front and Rear Derailleurs with the Ultegra Di2 BT-DN300 Battery. The Ultegra Di2 BT-DN300 features a built in li-Ion
SHIMANO ULTEGRA DI2 BT-DN300 BATTERY
Shimano BT-DN300 DI2 Battery Dura-Ace 9250 & Ultegra R8150 use
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