{"product_id":"shimano-4-port-junction-ew-jc304-ew-sd300-port-x-4","title":"SHIMANO 4 PORT JUNCTION EW JC304 EW-SD300 PORT X 4","description":"\u003cp\u003e\u003cb\u003eBrand:\u003c\/b\u003e SHIMANO\u003c\/p\u003e\u003cp\u003e\u003cb\u003eColor:\u003c\/b\u003e Black\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecision-engineered for seamless electronic shifting, the EW-JC304 Di2 Junction Box features four reliable ports to connect front derailleur, rear derailleur, cockpit junction box, and battery mount, ensuring optimal system integration\u003c\/li\u003e\n\u003cli\u003eConstructed with , durable materials, this junction box offers exceptional signal integrity and resistance to environmental factors, enhancing the longevity of your Di2 electronic shifting setup\u003c\/li\u003e\n\u003cli\u003eAdvanced technology allows for easy firmware management and updates through 's Di2 system checker, ensuring your components operate with peak performance and compatibility\u003c\/li\u003e\n\u003cli\u003eDesigned for versatile use in road, mountain, or gravel bikes, the EW-JC304 provides a clean, organized wiring solution that maintains a sleek aesthetic while supporting complex electronic shifting configurations\u003c\/li\u003e\n\u003cli\u003eCompatible exclusively with EW-SD300 cables, this junction box simplifies installation and troubleshooting, delivering a reliable, high-performance connection point for your Di2 electronic drivetrain.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBinding:\u003c\/b\u003e Sports\u003c\/p\u003e\u003cp\u003e\u003cb\u003emodel number:\u003c\/b\u003e Shimano\u003c\/p\u003e\u003cp\u003e\u003cb\u003ePart Number:\u003c\/b\u003e IEWJC304\u003c\/p\u003e\u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e Elevate your Di2 electronic shifting experience with the EW-JC304 Di2 Junction Box - a versatile, high-performance 4-port frame junction box designed for seamless connectivity and optimal bike control. Crafted with precision engineering and quality materials, this junction box is essential for high-end road, mountain, or gravel bike setups that demand reliable electronic integration. Materials \u0026amp; Construction Manufactured from durable, lightweight plastics and corrosion-resistant connectors, the EW-JC304 ensures long-lasting performance in all riding conditions. Its robust build maintains secure connections, preventing signal interference or disconnection during intense riding sessions. Performance \u0026amp; Engineering Engineered for reliable electronic shifting, this junction box features four ports-connecting your front derailleur, rear derailleur, cockpit junction box, and battery mount-facilitating a clean and organized wiring setup. Its advanced design supports the Di2 system's precise, wireless gear changes, providing quick, responsive shifting across all terrain. Components \u0026amp; Technology The EW-JC304 employs SD50 E-tube wiring to deliver stable, interference-free communication between Di2 components. It supports firmware updates for all connected components via the Di2 system checker, ensuring your electronic drivetrain operates at peak performance. Compatibility with 's latest firmware ensures seamless integration and future-proofing your electronic shift system. Style \u0026amp; Use Case Perfect for custom bike builds, professional riders, and serious cycling enthusiasts, the EW-JC304 offers a sleek and professional appearance that complements any bike frame. Its compact design allows discreet installation, making it ideal for road, mountain, cyclocross, or gravel bikes seeking a clean aesthetic and enhanced electronic control. Innovative Features \u0026amp; Differentiators - Four-port connectivity for versatile wir\u003c\/p\u003e\u003cp\u003e\u003cb\u003eEAN:\u003c\/b\u003e 0192790597195\u003c\/p\u003e\u003cp\u003e\u003cb\u003ePackage Dimensions:\u003c\/b\u003e 4.3 x 2.2 x 1.5 inches\u003c\/p\u003e","brand":"Enerbold","offers":[{"title":"Default Title","offer_id":51820356010285,"sku":"B093NPKF9C","price":48.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/6700\/7277\/files\/41VHeHRpsHL.jpg?v=1774461637","url":"https:\/\/enerbold.com\/products\/shimano-4-port-junction-ew-jc304-ew-sd300-port-x-4","provider":"Enerbold","version":"1.0","type":"link"}