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Shimano BT-R1A External Di2 Battery, Dreamruns | GearCred

$119.98at DreamrunsBuy

Shimano BT-R1A External Di2 Battery

$119.98

Dreamruns$119.98Buy

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From Dreamruns

Shimano BT-R1A External Di2 Battery. Shimano Di2 Batteries. Must purchase battery charger and power cable to complete the system.All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions ...