NEW Shimano EW-JC302 Di2 Junction Box - 2 Ports, Use With EW-SD300 type_wheels-wheelsets 130 mm fork and dropper

130 mm fork and dropper post provide capability in technical terrain

TOTAL CAPACITY: 10T

steep terrain

Weight: 141

ISO Diameter: 584 / 650b / 27

NEW Shimano EW-JC302 Di2 Junction Box - 2 Ports, Use With EW-SD300 type_wheels-wheelsets 130 mm fork and dropperShimano 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