Sorry,

Shimano SM-BMR1 Battery Mount for SM-BTR1 - Dura Ace 9070 / Ultegra Di2 / Alfine Di2

is unfortunately not available anymore.

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Product Overview Derailleur Rear

Shimano SM-BMR1 Battery Mount for SM-BTR1 - Dura Ace 9070 / Ultegra Di2 / Alfine Di2