{"product_id":"shimano-ew-ec300-charging-cable-black-reliable-di2-charging","title":"SHIMANO EW-EC300 Charging Cable Black - Reliable Di2 Charging","description":"\u003cp\u003eIn this review the SHIMANO EW-EC300 charging cable is assessed for riders who run 12-speed Di2 road drivetrains and need a dependable way to recharge components. The bottom line: it is a straightforward replacement cable that does exactly what it should, connecting to the rear derailleur and supporting Shimano power meters with a standard USB Type A plug. For anyone who lost a factory cable or wants a spare for travel, this cable's simple compatibility and build quality make it a practical, no-nonsense accessory for modern Di2 setups.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDura-Ace R9200 Series Compatibility:\u003c\/strong\u003e Designed to work with the latest 12-speed Dura-Ace components so users can maintain a factory-style charging setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharges RD-R9250 and FC-R9200-P:\u003c\/strong\u003e Provides direct charging for both the rear derailleur and compatible power meter heads for convenient maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Meter Support:\u003c\/strong\u003e Enables charging of the FC-R9200-P power meter so riders can keep their data devices ready for training and racing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB Type A Connector:\u003c\/strong\u003e Connects easily to common USB chargers and power banks, giving flexibility when charging on the road or at home.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.5 Meter Cable Length:\u003c\/strong\u003e The 1.5 m length gives enough reach to plug into a wall charger or pack-mounted power bank without awkward bending.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe EW-EC300 is best for road cyclists running 12-speed Di2 drivetrains who require a reliable, OEM-compatible charging cable for their rear derailleur or compatible power meter. It suits riders who travel with a bike, mechanics who keep spare parts on hand, and anyone who prefers a dedicated cable rather than jury-rigging adapters.\u003c\/p\u003e\n\u003cp\u003eRiders who do not use Shimano 12-speed Di2 or who require a multifunction data interface beyond charging should look elsewhere; this cable is focused on charging compatibility rather than advanced diagnostic features.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect compatibility with Dura-Ace R9200 components ensures hassle-free charging for modern Di2 systems.\u003c\/li\u003e\n\u003cli\u003eSupports charging of the FC-R9200-P power meter, keeping performance devices powered for rides and training.\u003c\/li\u003e\n\u003cli\u003eUSB Type A connector makes it easy to use common wall chargers and power banks for flexible charging options.\u003c\/li\u003e\n\u003cli\u003eCustomers report good build quality and view it as a perfect replacement when the original cable is lost.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLimited to charging; it does not provide extra functionality like data transfer beyond the intended charging use.\u003c\/li\u003e\n\u003cli\u003eSingle cable length may not suit every setup if a much shorter or longer lead is preferred.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eEW-EC300 Charging Cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003e12-speed Di2, Dura-Ace R9200 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharges\u003c\/td\u003e\n\u003ctd\u003eRD-R9250 rear derailleur, FC-R9200-P power meter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eUSB Type A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003e1.5 meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe SHIMANO EW-EC300 is a sensible purchase for riders who need a dependable, OEM-compatible charging cable for Dura-Ace R9200 Di2 systems and compatible power meters. Its straightforward function, common USB Type A interface, and solid build make it good value as a replacement or spare for travel and workshop use.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this cable charge a Shimano power meter?\u003c\/strong\u003e\u003cbr\u003eYes, it is compatible with and can charge the FC-R9200-P power meter as specified.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a standard USB wall charger or power bank?\u003c\/strong\u003e\u003cbr\u003eYes, the cable uses a USB Type A connector so it works with common USB chargers and portable power banks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this cable compatible with older Di2 systems?\u003c\/strong\u003e\u003cbr\u003eThe cable is designed for 12-speed Di2 and Dura-Ace R9200 series; compatibility with older systems is not specified and may be limited.\u003c\/p\u003e","brand":"SHIMANO","offers":[{"title":"Default Title","offer_id":48190464164059,"sku":"B0B1FY65QD","price":64.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/41NkMUimv4L._AC_SL1200.jpg?v=1769595142","url":"https:\/\/gearmusthave.com\/products\/shimano-ew-ec300-charging-cable-black-reliable-di2-charging","provider":"GearMustHave","version":"1.0","type":"link"}