Shimano EW-JC302 Di2 Junction Box - 2 Ports, Use With EW-SD300 Shock Pumps 134639-Q0-L

134639-Q0-L

UPC: 192790514444

Zipp’s stalwart Service Course 80 handlebars now have an option for those who prefer an ergonomic flat top

Manufacturer Part Number: 40070887001

153381-Q0-L

Shimano EW-JC302 Di2 Junction Box - 2 Ports, Use With EW-SD300 Shock Pumps 134639-Q0-LShimano 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