{"product_id":"shimano-sm-jc40-di2-junction-b","title":"Shimano SM-JC40 Di2 Junction-B","description":"Shimano Di2 Frame Junction Box\n\n-Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount\n-All Di2 components on the bicycle require the same firmware version. -Using Di2 components with different firmware versions may cause malfunctions\n-Use Di2 system checker to update component firmware from http:\/\/e-tubeproject.shimano.com\/\n-Mounts underneath the bottom bracket shell","brand":"Shimano","offers":[{"title":"Default Title","offer_id":42221355827392,"sku":"CSH10658","price":32.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2318\/5263\/products\/CSH10658_LH_01.jpg?v=1649945040","url":"https:\/\/www.theproscloset.com\/products\/shimano-sm-jc40-di2-junction-b","provider":"The Pro's Closet","version":"1.0","type":"link"}