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Y7F398020

julio 23, 2026

Shimano BMR1 and BRM2 Di2 External Battery Mount Base Unit A

Shimano Di2 External Battery Mounts All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions Use Di2 system checker to update component firmware from https://e-tubeproject.shimano.com/ Product Specifics .
julio 23, 2026

Shimano BMR1 & BRM2 Di2 External Battery Mount Base Units – Durable,

Shimano Di2 External Battery MountsAll Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions. Use Di2 system checker to update component firmware from https://e-tubeproject.shimano.com/.