Inventory & Shipping
Description
Shimano EW-JC200 Junction (2 port) E-Tube Wire Connector. Shimano Di2 Frame Junction BoxFrame 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/ 
                          
                        
                        Item Specific Details
                        
                      UPC: 689228893245
                       
                       
                       Manufacturer Part #: IEWJC200 
                       
                       
                       Model: Di2 Junction Box 
 
                       
                       
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