Shimano BMR1 and BRM2 Di2 External Battery Mount Base Unit A

★★★★★ 4.9 81 reviews

US$20.82
Price when purchased online
Free shipping Free 30-day returns

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US$20.82
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 222379379 Release Date 2026/05/04 List Price US$20.82 Model Number 222379379
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  • , durable materials ensure reliable performance in all cycling conditions, providing a secure and lightweight mount for Di2 external batteries.
  • Designed with advanced engineering, the BMR1 and BRM2 Mount Bases facilitate easy and secure attachment of Di2 external batteries, enhancing system stability and electrical efficiency.
  • Compatible with 's latest Di2 components, these mount bases support seamless integration of external battery systems, optimizing weight distribution and bike aerodynamics.
  • Stylish and discreet, these mount bases provide a clean, professional look while offering quick access to battery replacements, ideal for road, mountain, or gravel bikes.
  • Featuring innovative design features that prevent firmware mismatches, the BMR1 and BRM2 Mounts ensure optimal communication and performance of your Di2 electronic shifting system.

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4.9 out of 5
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81 ratings | 33 reviews
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