Shimano BMR1 and BRM2 Di2 External Battery Mount Base Unit B
- 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 http://e-tubeproject.shimano.com/
Product Specifics
Today's Stock Status
Currently not available
UPC: 689228867871
EAN: Not available
Manufacturer Part Number: Y7F398040
CY9084
155022-Q0-L