Copied Shimano EW-JC304 Di2 Junction Box
Shimano EW-JC304 Di2 Junction Box
Shimano EW-JC304 Di2 Junction Box 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.
Price Comparison
| Seller | Contact Seller | List Price | On Sale | Shipping | Best Promo | Final Price | Volume Discount | Financing | Availability | Seller's Page |
|---|---|---|---|---|---|---|---|---|---|---|
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BEST PRICE 1 Product Purchase
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$28.99 | $28.99 |
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$28.99 | See Site | Instock | Visit Store |
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