{"product_id":"flyroun-x400-x450-x500-x550-carbon-fiber-quadcopter-frame-kit-4-axis-fpv-training-drone-for-8-13-inch-propeller","title":"Flyroun X-Series Carbon Fiber Frame Kit | 8–13-Inch Props","description":"\u003ch2\u003eA Carbon Fiber Starting Point for Your Quadcopter Build\u003c\/h2\u003e\u003cp\u003eThe Flyroun X-Series frame kit provides a four-axis airframe foundation for a custom multirotor project. Choose X400, X450, X500 or X550 according to the propeller size listed for each option, then verify your motor mounts, electronics space and landing clearance before selecting the rest of the build.\u003c\/p\u003e\u003cp\u003eStart with the bare frame and plan the layout around your own propulsion and flight-control equipment. This is an assembly project, not a ready-to-fly aircraft or a complete training-drone package.\u003c\/p\u003e\u003ch3\u003eChoose Your Frame\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eX400:\u003c\/strong\u003e Listed for 8-inch propellers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eX450:\u003c\/strong\u003e Listed for 10-inch propellers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eX500:\u003c\/strong\u003e Listed for 12-inch propellers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eX550:\u003c\/strong\u003e Listed for 13-inch propellers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese are the listing's intended propeller-size pairings, not a guarantee of clearance with every motor, propeller or accessory combination. Confirm the actual installed geometry before use. Model numbers alone do not establish a verified wheelbase measurement.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon fiber:\u003c\/strong\u003e Listed frame material; confirm individual component materials where required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-axis layout:\u003c\/strong\u003e Intended for a quadcopter build.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour size selections:\u003c\/strong\u003e Options span listed 8-inch to 13-inch propeller applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilder-selected equipment:\u003c\/strong\u003e Plan compatible motors, ESCs, flight controller, receiver and power system around the chosen frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack finish:\u003c\/strong\u003e Listed frame color.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications and Fitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Flyroun.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e X400 \/ X450 \/ X500 \/ X550.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Four-axis quadcopter frame kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed material:\u003c\/strong\u003e Carbon fiber.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed propeller applications:\u003c\/strong\u003e 8 \/ 10 \/ 12 \/ 13 inches, depending on selected model.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly:\u003c\/strong\u003e Required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe source also lists 260mm height, 390mm width and 490g weight alongside mixed “450 frame,” “F450” and “LX450” references. Those figures are not clearly mapped to all four options and should not be treated as specifications for every model. Confirm exact dimensions, bare-frame weight, mounting patterns and package components for your selected size before ordering.\u003c\/p\u003e\u003ch3\u003eCompatibility Checklist\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck motor bolt pattern, motor-base clearance and arm mounting geometry.\u003c\/li\u003e\n\u003cli\u003eConfirm propeller sweep clearance with the complete motor and frame installation.\u003c\/li\u003e\n\u003cli\u003eVerify flight-controller and ESC mounting, wire routing and connector access.\u003c\/li\u003e\n\u003cli\u003eMeasure the intended battery and confirm retention and center-of-gravity requirements.\u003c\/li\u003e\n\u003cli\u003eConfirm landing clearance for any camera, payload or accessory mount.\u003c\/li\u003e\n\u003cli\u003eSelect the motor, propeller, ESC and battery combination as a matched power system; the frame does not establish voltage or payload ratings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePerfect For\u003c\/h3\u003e\u003cp\u003eExperienced RC builders assembling a custom quadcopter around a chosen X-Series frame size. The kit requires component selection, mechanical assembly, wiring, configuration and testing before flight.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cp\u003eOne Flyroun X-Series frame kit in the selected X400, X450, X500 or X550 configuration. The source does not provide an itemized bill of materials or hardware count; confirm plates, arms, landing components and fasteners for the chosen option.\u003c\/p\u003e\u003cp\u003eMotors, ESCs, propellers, flight controller, receiver, radio, camera, battery and charger are not established as included. This product is a frame kit, not a battery, charger or remote controller.\u003c\/p\u003e\u003ch3\u003eAssembly and Safety\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInspect frame components and edges before assembly; handle carbon fiber carefully.\u003c\/li\u003e\n\u003cli\u003eUse appropriate fasteners and the manufacturer's assembly instructions.\u003c\/li\u003e\n\u003cli\u003eKeep the flight battery disconnected and propellers removed during wiring and configuration.\u003c\/li\u003e\n\u003cli\u003eProtect wiring and electronics from conductive carbon fiber surfaces.\u003c\/li\u003e\n\u003cli\u003eCheck fastener security, balance, motor direction and failsafes before flight.\u003c\/li\u003e\n\u003cli\u003eDo not infer a payload capacity or beginner-ready flight capability from the frame size.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor dimensions, package contents or fitment questions, contact sales@buyrcdroneoutlet.com.\u003c\/p\u003e","brand":"Flyroun","offers":[{"title":"X400(for 8inch)","offer_id":44725654487180,"sku":"1005010206145761-X400(for 8inch)","price":159.0,"currency_code":"USD","in_stock":true},{"title":"X450(for 10inch)","offer_id":44725654519948,"sku":"1005010206145761-X450(for 10inch)","price":173.0,"currency_code":"USD","in_stock":true},{"title":"X500(for 12inch)","offer_id":44725654552716,"sku":"1005010206145761-X500(for 12inch)","price":187.0,"currency_code":"USD","in_stock":true},{"title":"X550(for 13inch)","offer_id":44725654585484,"sku":"1005010206145761-X550(for 13inch)","price":207.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/2019\/2652\/files\/S00149c07bfdc48fb9b515245ab309723s.webp?v=1792974116","url":"https:\/\/buyrcdroneoutlet.com\/products\/flyroun-x400-x450-x500-x550-carbon-fiber-quadcopter-frame-kit-4-axis-fpv-training-drone-for-8-13-inch-propeller","provider":"TheDroneFlight","version":"1.0","type":"link"}