Shimano E-Tube External Battery SM-BTR1 – Pro Bike Supply

Shimano E-Tube External Battery SM-BTR1

At a feather light 71g, the DI2 battery pack powers your entire system. On average, the battery can hold a charge for 1000 miles. Your current battery charge level can be checked through the front wire kit.

Includes
-SM-BTR1 battery pack

Shimano Model Number: ISMBTR1A

Shimano E-Tube External Battery SM-BTR1

Brand: Shimano

Sku: ISMBTR1A

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