Shimano EW-JC304 Di2 E-Tube Junction Box
IEWJC304
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🚚 Delivery Estimated between 22 May and 27 May.
Description
Shimano EP8 Internal 4-Port Junction for EW-SD300
Features
- Shimano Di2 Frame Junction Box
- Connects via SD-300 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
- Number of Ports: 4