Shimano BMR1 and BRM2 Di2 External Battery Mount Base Unit A Color-Safety Mask Blue 0 Color Silver Length 300mm

0 Color Silver Length 300mm Package 20/Count

260g (110mm)

Misc For Potenza and Centaur

BB Inclusion No Crankset Material Carbon BCD Direct Mount SRAM 8 Bolt Pedals Thread 9/16 Chainline 45mm Crank Arm Length 170mm Crank Spindle Diameter 28

up to 40 hr runtime

Shimano BMR1 and BRM2 Di2 External Battery Mount Base Unit A Color-Safety Mask Blue 0 Color Silver Length 300mmShimano 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