Shimano BMR1 and BRM2 Di2 External Battery Mount Base Unit A MFPN=820-09-071-KIT 0 Length 208 Spoke Interface

0 Length 208 Spoke Interface J-Bend Defined Color Silver

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Shimano BMR1 and BRM2 Di2 External Battery Mount Base Unit A MFPN=820-09-071-KIT 0 Length 208 Spoke InterfaceShimano BMR1 and BRM2 Di2 External Battery Mount Base Unit A. 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 http: e tubeproject. shimano. com