{"product_id":"shimano-ew-ec300-di2-12-speed-magnetic-charging-cable","title":"Shimano EW-EC300 Di2 Charging Cable","description":"\u003ch2 data-path-to-node=\"11,0\"\u003eSovereign Power Diagnostics: Precision High-Speed Magnetic Connection Nodes Meet Universal USB-A Power Inputs, Dual-System Cellular Replenishment, and Integrated Data Line Telemetry\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11,1\"\u003eKeep your wireless cockpit grids firing seamlessly, restore your central lithium-ion power reserves to full capacity in record time, and maintain absolute electronic shifting readiness before major training blocks or racing stages. The \u003cb data-path-to-node=\"11,1\" data-index-in-node=\"236\"\u003eShimano EW-EC300 Di2 Charging Cable\u003c\/b\u003e represents the vital lifework umbilical cord for modern dual-control road platforms—specifically engineered as the proprietary charging leash that juices up Shimano's entire 12-speed electronic ecosystem. Sourcing specialized drivetrain electronics independently from international online storefronts often exposes you to frustrating shipping delays, single-item courier minimums, or unexpected port clearance hold-ups. Epic Sports handles all international logistics natively, straight to Nairobi. Built with a smart self-aligning magnetic snap coupler, this premium charging asset delivers an instant, secure energy stream with zero plug wear.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11,3\"\u003eWhy the Shimano EW-EC300 Matrix Governs the Di2 Grid:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"11,4,0,0\"\u003e\n\u003cb data-path-to-node=\"11,4,0,0\" data-index-in-node=\"0\"\u003ePrecision Self-Aligning Magnetic Snap Head:\u003c\/b\u003e Foolproof hardware integration. Features a specialized magnetic coupling node that clips seamlessly onto the charge port on your rear derailleur or power meter crank arm, preventing socket damage if the cable is accidentally snagged.\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,4,1,0\"\u003e\n\u003cb data-path-to-node=\"11,4,1,0\" data-index-in-node=\"0\"\u003eUniversal USB-A Host Power Connection:\u003c\/b\u003e Limitless charging flexibility. Outfitted with a standard USB Type-A connector, allowing you to power up your drivetrain using standard smartphone wall blocks, laptop ports, mobile power banks, or car dashboard outlets.\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,4,2,0\"\u003e\n\u003cb data-path-to-node=\"11,4,2,0\" data-index-in-node=\"0\"\u003eDual-System Ecosystem Architecture:\u003c\/b\u003e Multi-hardware utility. Custom-mapped to function as both the master frame charger for 12-speed Di2 rear derailleurs and the direct battery charging cord for Shimano's flagship dual-sided power meter cranksets.\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,4,3,0\"\u003e\n\u003cb data-path-to-node=\"11,4,3,0\" data-index-in-node=\"0\"\u003eIntegrated Data Telemetry Sync Lines:\u003c\/b\u003e Double-duty wiring. Packaged with embedded internal copper data lines that handle system pairing handshakes and diagnostic data transmissions when hooked up to a computer terminal.\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,4,4,0\"\u003e\n\u003cb data-path-to-node=\"11,4,4,0\" data-index-in-node=\"0\"\u003eGenerous 1.5-Meter Extension Reach Profile:\u003c\/b\u003e Convenient workshop agility. Spans a clean 1.5 meters from power block to bicycle, ensuring you can easily reach your rear derailleur while the bike is securely locked inside a tall home workshop workstand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"11,6\"\u003eTechnical Specifications \u0026amp; Product Architecture:\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"11,7\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectronic Charging Variable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Architecture \u0026amp; Product Specifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,1,0,0\"\u003e\u003cb data-path-to-node=\"11,7,1,0,0\" data-index-in-node=\"0\"\u003ePower Input Interface Standard\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,1,1,0\"\u003eStandard \u003cb data-path-to-node=\"11,7,1,1,0\" data-index-in-node=\"9\"\u003eUSB Type-A Male Interface Port Array\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,2,0,0\"\u003e\u003cb data-path-to-node=\"11,7,2,0,0\" data-index-in-node=\"0\"\u003eBicycle Attachment Connector\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,2,1,0\"\u003eShimano Proprietary \u003cb data-path-to-node=\"11,7,2,1,0\" data-index-in-node=\"20\"\u003eHigh-Speed Magnetic Coupling Node\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,3,0,0\"\u003e\u003cb data-path-to-node=\"11,7,3,0,0\" data-index-in-node=\"0\"\u003eTotal Cord Extension Reach\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,3,1,0\"\u003eStructural \u003cb data-path-to-node=\"11,7,3,1,0\" data-index-in-node=\"11\"\u003e1.5-Meter Length Run\u003c\/b\u003e \u003cspan class=\"math-inline\" data-math=\"Ideal for workshop workstands\" data-index-in-node=\"32\"\u003e$Ideal for workshop workstands$\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,4,0,0\"\u003e\u003cb data-path-to-node=\"11,7,4,0,0\" data-index-in-node=\"0\"\u003eCharging System Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,4,1,0\"\u003e\u003cb data-path-to-node=\"11,7,4,1,0\" data-index-in-node=\"0\"\u003e12-Speed Road Di2 Systems \u0026amp; Integrated Power Meters Only\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,5,0,0\"\u003e\u003cb data-path-to-node=\"11,7,5,0,0\" data-index-in-node=\"0\"\u003eIntegrated Data Capabilities\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,5,1,0\"\u003eBuilt-in Data Sync Telemetry Core Matrix \u003ci data-path-to-node=\"11,7,5,1,0\" data-index-in-node=\"41\"\u003e(For firmware syncing)\u003c\/i\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,6,0,0\"\u003e\u003cb data-path-to-node=\"11,7,6,0,0\" data-index-in-node=\"0\"\u003eEcosystem Optimization\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,6,1,0\"\u003eDura-Ace R9250, Ultegra R8150, 105 R7150, and FC-R9200-P Cranks\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,7,0,0\"\u003e\u003cb data-path-to-node=\"11,7,7,0,0\" data-index-in-node=\"0\"\u003eFulfillment Status\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,7,1,0\"\u003eSecurely Stocked Natively in Kenya, 100% Factory Authenticity Verified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"11,9\"\u003eFrequently Asked Questions (FAQ) for Electronic Drivetrain Mechanics:\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11,10\"\u003e\u003cb data-path-to-node=\"11,10\" data-index-in-node=\"0\"\u003eCan I use this EW-EC300 cable to charge an older 11-speed Shimano Di2 system?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"11,11\"\u003eNo, this cable is built strictly for modern 11-speed \u003ci data-path-to-node=\"11,11\" data-index-in-node=\"53\"\u003ecannot\u003c\/i\u003e bridge backward. Older 11-speed Shimano Di2 configurations (such as Ultegra R8050 or Dura-Ace R9150) utilize an entirely different charging method where the internal seatpost battery is juiced up through a cockpit junction box (SM-EW90) using an older SM-BCR2 charger plug. The \u003cb data-path-to-node=\"11,11\" data-index-in-node=\"338\"\u003eEW-EC300 is built exclusively for 12-speed setups\u003c\/b\u003e, plugging directly into the back of the rear derailleur (R9250\/R8150\/R7150) which now acts as the central master brains and charging terminal for the whole bike.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11,12\"\u003e\u003cb data-path-to-node=\"11,12\" data-index-in-node=\"0\"\u003eCan I use a high-draw fast-charging phone block to speed up charging through this cable?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"11,13\"\u003eYou can safely plug the USB-A end into a modern high-output wall charger, but it will not force the battery to charge any faster. The charging electronics inside the Shimano 12-speed rear derailleur intelligently regulate the incoming current, capping the draw to safe factory specifications (typically requiring a standard 5V adapter with at least 1A output). To guarantee absolute electrical safety and protect your internal lithium-ion seatpost battery from long-term heat degradation, avoid using cheap, unbranded generic travel adapters or low-quality vehicle cigarette lighter splitters.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11,15\"\u003eAuthentic Local Stock – Skip Port Surcharges \u0026amp; Customs Hassles\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11,16\"\u003eAvoid the extreme frustration of trying to buy technical electronic accessories, small charging docks, and replacement groupset parts from international online warehouses, only to face weeks of shipping delays, exorbitant courier freight minimums, or unexpected port clearance hold-ups at the border. Epic Sports handles all international logistics, bulk freight compliance, and customs handling natively. We provide guaranteed 100% authentic performance gear, local product support, and secure, trackable express delivery straight to your doorstep across Kenya.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Shimano EW-EC300 Di2 Charging Cable\",\n  \"image\": [\n    \"https:\/\/epicsports.cc\/products\/shimano-ew-ec300-charging-cable\"\n  ],\n  \"description\": \"Authentic premium electronic shifting drivetrain charging cable engineered by Shimano. The EW-EC300 features a 1.5-meter cord length, a standard USB-A host power input connector, and a proprietary magnetic alignment head. Built exclusively to charge Shimano 12-speed Di2 rear derailleurs and power meter cranksets.\",\n  \"sku\": \"SH-EW-EC300-DI2-CHG\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Shimano\"\n  },\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/epicsports.cc\/products\/shimano-ew-ec300-charging-cable\",\n    \"priceCurrency\": \"KES\",\n    \"itemCondition\": \"https:\/\/schema.org\/NewCondition\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\n      \"@type\": \"SportsActivityLocation\",\n      \"name\": \"Epic Sports\"\n    }\n  },\n  \"mainEntity\": {\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Does the Shimano EW-EC300 cable charge 12-speed Di2?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, absolutely. 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This dual-purpose magnetic charging cord interfaces perfectly with both the 12-speed electronic rear derailleurs and Shimano's proprietary dual-sided power meter crank systems like the FC-R9200-P.\"\n        }\n      }\n    ]\n  }\n}\n\u003c\/script\u003e","brand":"Epic Sports","offers":[{"title":"Default Title","offer_id":51692189024569,"sku":null,"price":10000.0,"currency_code":"KES","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0912\/9895\/5577\/files\/SHIM.png?v=1768310572","url":"https:\/\/epicsports.cc\/products\/shimano-ew-ec300-di2-12-speed-magnetic-charging-cable","provider":"Epic Sports ","version":"1.0","type":"link"}