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Shimano Authorized Retailer FIST Certified

Shimano BMR1 and BRM2 Di2 External Battery Mount Base Unit B

Availability:In Stock (17 Available)
Your Price:$24.99

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AEBike Part Number: CY9084
Manufacturer:  Shimano
Manufacturer Part Number: Y7F398040
UPC: 689228867871

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
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