Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300 Flat Pedals Fits some Batavus

Fits some Batavus

UPC: 689228429673

147106-Q0-L

- Includes 15mm axle and dropout chips to convert Ritchey thru-axle forks

Manufacturer Part Number: DACOVER91BK

Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300 Flat Pedals Fits some BatavusShimano 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