Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300 Cannondale Tools UPC: 821973351315

UPC: 821973351315

127572-Q0-L

UPC: 826974023476

- Can be flipped to provide left or right hand bottle access

124527-Q0-L

Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300 Cannondale Tools UPC: 821973351315Shimano Di2 Frame Junction Box Frame Junction Box connects via SD50 E tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount 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