{"product_id":"shimano-ew-jc304-di2-junction-box-4-ports-use-with-ew-sd300","title":"Shimano EW-JC304 Di2 Junction Box - 4 Ports Use With EW-SD300","description":"\u003cstyle\u003e.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}\u003c\/style\u003e\u003cdiv class=\"top\"\u003eShimano EW-JC304 Di2 Junction Box - 4 Ports Use With EW-SD300. Shimano Di2 Frame Junction Box\u003cli\u003eFrame Junction Box connects via SD50 E-tube wires to four different points: front derailleur rear derailleur cockpit junction box and battery mount\u003c\/li\u003e\n\u003cli\u003eAll Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions\u003c\/li\u003e\n\u003cli\u003eUse Di2 system checker to update component firmware from http:\/\/e-tubeproject.shimano.com\/\u003c\/li\u003e\n\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":49353805168914,"sku":"CY8903","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0684\/3534\/5682\/files\/CY8903.jpg?v=1717043390","url":"https:\/\/lennysbikeshop.com\/products\/shimano-ew-jc304-di2-junction-box-4-ports-use-with-ew-sd300","provider":"Lenny's Bike Shop","version":"1.0","type":"link"}