{"product_id":"ventum-es1-g-carbon-12-speed-electric-gravel-bike","title":"Ventum ES1-G Carbon 12 Speed Electric Gravel Bike","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe Ventum ES1-G is a full-carbon electric gravel bike built around the \u003cstrong\u003eShimano EP801 drive system\u003c\/strong\u003e — 250w and 85Nm of torque with Class 3 pedal assist up to 28 mph. It shares its architecture with Ventum's GS1 gravel platform, bringing over the same carbon frame with internal cable routing and a UDH dropout, while integrating a \u003cstrong\u003e504Wh internal, removable battery\u003c\/strong\u003e that keeps the silhouette clean and the handling familiar.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThree assist modes — eco, trail, and boost — let riders tune output to terrain and conserve range on long days. A mixed \u003cstrong\u003eShimano Di2 drivetrain\u003c\/strong\u003e (Ultegra shifters and brakes, XT Di2 rear derailleur, XT 10-51T cassette), WTB Speedterra i23 tubeless wheels, and 700x50c WTB Venture tires round out a spec that covers commuting, bikepacking, and supported gravel events. Rack and accessory mounts are included.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eGravel riders who want motor assistance for long days, loaded bikepacking routes, or sustained climbing without giving up a road-derived position\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCyclists managing physical limitations or returning from injury who still want to cover serious terrain\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMixed-use commuters who need range across pavement and unpaved surfaces\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eGroup-ride and event riders targeting pace — Class 3 assist keeps you in the draft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eConsider a non-assisted gravel bike if you're racing in non-e-bike-permitted events, prioritize minimum weight, or want to avoid the maintenance overhead of an e-drive system.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eGeometry and fit\u003c\/strong\u003e: The ES1-G is sized as a gravel bike, not an e-MTB — confirm the geometry matches your preferred riding position before purchase; a professional fit is recommended\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBattery range vs. terrain\u003c\/strong\u003e: 504Wh provides meaningful range in eco mode, but real-world range depends heavily on elevation, rider weight, and assist level — map your target routes accordingly\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTire ceiling\u003c\/strong\u003e: The 700x50c maximum is already installed; riders wanting wider tires or lighter trail use should confirm this limit works for their riding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eFrame and Fork\u003c\/strong\u003e: Full carbon construction with a tapered carbon steerer, carbon dropouts, and internal cable and brake routing throughout. The UDH dropout provides broad compatibility with current and future rear derailleurs and dropper posts.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eDrive System\u003c\/strong\u003e: The \u003cstrong\u003eShimano EP801 motor\u003c\/strong\u003e (85Nm torque) pairs with a Shimano STEPS SC-EN600 handlebar display for mode and battery monitoring. The 504Wh battery is internal and removable — a practical distinction for charging away from the bike and storage security.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eDrivetrain\u003c\/strong\u003e: A \u003cstrong\u003e1x12 Shimano Di2\u003c\/strong\u003e setup combines Ultegra shift levers with an XT Di2 rear derailleur and 10-51T cassette — a wide-range combination suited to loaded climbing with assist. Electronic shifting eliminates cable tension management across the full gear range.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eBraking\u003c\/strong\u003e: Shimano Ultegra hydraulic disc brakes with \u003cstrong\u003eXT Centerlock rotors\u003c\/strong\u003e (180mm front, 160mm rear) deliver consistent stopping power across wet and muddy conditions without fade.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eWheels and Tires\u003c\/strong\u003e: WTB Speedterra i23 tubeless-ready wheels run Center Lock interfaces front and rear; the rear uses a \u003cstrong\u003eShimano MicroSpline freehub\u003c\/strong\u003e compatible with the XT cassette. Pre-installed WTB Venture 700x50c tires offer a wide contact patch for mixed-surface traction.\u003c\/p\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBiggest strengths\u003c\/strong\u003e: High-torque Class 3 assist on a purpose-built gravel carbon platform with a mature, reliable Shimano Di2 drivetrain\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTradeoffs\u003c\/strong\u003e: E-drive weight and complexity; 700x50c tire clearance ceiling limits trail versatility\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWhat makes it different\u003c\/strong\u003e: Gravel-specific geometry in a full-carbon e-bike frame — closer to a race-derived platform than most e-gravel bikes at this spec level\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eAt Victory Bicycle Studio, we consider the ES1-G the right choice for riders who want to extend their range into harder, longer gravel terrain without compromising the feel of a well-built carbon bike. The EP801 system is mature and well-supported, and the Di2 integration makes it one of the cleaner e-gravel builds available.\u003c\/p\u003e","brand":"ventum","offers":[{"title":"Slate \/ Small","offer_id":53420542230835,"sku":"COMPLT-05-001-9993-114","price":5999.0,"currency_code":"USD","in_stock":true},{"title":"Slate \/ Medium","offer_id":53420542263603,"sku":"COMPLT-05-001-9994-114","price":5999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/r4rhqh09arjx0c8frlvi.jpg?v=1780429497","url":"https:\/\/victorybicyclestudio.com\/products\/ventum-es1-g-carbon-12-speed-electric-gravel-bike","provider":"Victory Bicycle Studio","version":"1.0","type":"link"}