{"product_id":"shimano-sm-jc40-di2-external-frame-junction-box-4-port-1","title":"Shimano SM-JC40 Di2 External Frame Junction Box 4-Port","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 SM-JC40 Di2 External Frame Junction Box 4-Port. 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":45401005785374,"sku":"CY6760","price":44.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8819\/7150\/products\/CY6760_7b391edb-5d2a-45c5-925f-f479f317d80d.jpg?v=1685586891","url":"https:\/\/www.firstflightbikes.com\/products\/shimano-sm-jc40-di2-external-frame-junction-box-4-port-1","provider":"FirstFlightBikes","version":"1.0","type":"link"}