{"product_id":"x-lab-gt8-carbon-gravel-frameset-afterburner-black","title":"X-LAB GT8 Carbon Gravel Frameset | Afterburner Black | XS–XXL","description":"\u003ch2\u003eX-LAB GT8 Carbon Gravel Frameset | Afterburner Black\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eBuild the GT8 exactly the way you want it.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eX-LAB GT8 Carbon Gravel Frameset\u003c\/strong\u003e gives riders the foundation of X-LAB's highly versatile GT8 without locking you into a predetermined drivetrain, wheelset, cockpit, or component package. Built from \u003cstrong\u003eToray T-800 carbon fiber\u003c\/strong\u003e, the GT8 combines modern gravel race performance with substantial tire clearance, integrated storage, adventure-ready mounting options, and geometry designed to remain capable when the route gets rough.\u003c\/p\u003e\n\n\u003cp\u003eThis is an excellent starting point for a custom gravel race bike, all-road machine, high-performance adventure build, or premium component transfer. With clearance for tires up to \u003cstrong\u003e55mm\u003c\/strong\u003e, the GT8 can be configured around fast gravel tires for racing or considerably larger rubber for technical gravel, rough roads, and long-distance riding.\u003c\/p\u003e\n\n\u003cp\u003eThe frame is \u003cstrong\u003eUDH compatible\u003c\/strong\u003e and supports both \u003cstrong\u003e1x and 2x drivetrain configurations\u003c\/strong\u003e, giving builders considerable freedom when choosing Shimano, SRAM, mechanical, or electronic drivetrain components.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included With This Frameset\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eX-LAB GT8 Toray T-800 carbon frame\u003c\/li\u003e\n\u003cli\u003eX-LAB GT8 Toray T-800 carbon fork\u003c\/li\u003e\n\u003cli\u003eXDS 27.2mm carbon seatpost\u003c\/li\u003e\n\u003cli\u003eHeadset bearings\u003c\/li\u003e\n\u003cli\u003eFront derailleur mount for compatible 2x drivetrain builds\u003c\/li\u003e\n\u003cli\u003eBrake mounting adapters supplied with the frameset\u003c\/li\u003e\n\u003cli\u003eFrame plug and routing accessories\u003c\/li\u003e\n\u003cli\u003eGT8-specific stem spacers for the internal cable routing system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Is Not Included\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eThis is a frameset, not a complete bicycle.\u003c\/strong\u003e Additional components are required before the bike can be ridden.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eStem\u003c\/li\u003e\n\u003cli\u003eHandlebar\u003c\/li\u003e\n\u003cli\u003eShifters\u003c\/li\u003e\n\u003cli\u003eRear derailleur\u003c\/li\u003e\n\u003cli\u003eFront derailleur\u003c\/li\u003e\n\u003cli\u003eCrankset\u003c\/li\u003e\n\u003cli\u003eBottom bracket\u003c\/li\u003e\n\u003cli\u003eCassette\u003c\/li\u003e\n\u003cli\u003eChain\u003c\/li\u003e\n\u003cli\u003eBrake calipers and controls\u003c\/li\u003e\n\u003cli\u003eWheelset\u003c\/li\u003e\n\u003cli\u003eTires\u003c\/li\u003e\n\u003cli\u003eSaddle\u003c\/li\u003e\n\u003cli\u003ePedals\u003c\/li\u003e\n\u003cli\u003eOther drivetrain, cockpit, braking, and finishing components required for a complete build\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePlease do not assume that components shown on a complete GT8 bicycle are included with the frameset. The complete-bike specification and the frameset package are different products.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eToray T-800 carbon frame construction\u003c\/li\u003e\n\u003cli\u003eMatching Toray T-800 carbon fork\u003c\/li\u003e\n\u003cli\u003eMassive tire clearance up to 55mm\u003c\/li\u003e\n\u003cli\u003eIntegrated downtube storage compartment\u003c\/li\u003e\n\u003cli\u003eMultiple accessory mounting points on the frame and fork\u003c\/li\u003e\n\u003cli\u003eUDH compatible rear derailleur interface\u003c\/li\u003e\n\u003cli\u003eCompatible with both 1x and 2x drivetrain configurations\u003c\/li\u003e\n\u003cli\u003eInternal cable and hose routing\u003c\/li\u003e\n\u003cli\u003eInternal routing capability for a compatible dropper post\u003c\/li\u003e\n\u003cli\u003eStandard 27.2mm round seatpost interface\u003c\/li\u003e\n\u003cli\u003eDesigned for gravel racing, adventure riding, and rough-surface exploration\u003c\/li\u003e\n\u003cli\u003eAvailable from XS through XXL\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e55mm Tire Clearance Changes What a Gravel Bike Can Do\u003c\/h3\u003e\n\n\u003cp\u003eThe GT8 offers clearance for tires up to \u003cstrong\u003e55C\u003c\/strong\u003e, giving builders an unusually broad range of setup possibilities. Run a lighter, faster gravel tire for racing and fast group rides, or move to a larger-volume tire when traction, comfort, and rough-terrain capability become the priority.\u003c\/p\u003e\n\n\u003cp\u003eThat versatility makes the GT8 particularly appealing to riders who don't want a gravel bike limited to one type of riding.\u003c\/p\u003e\n\n\u003ch3\u003eInternal Downtube Storage\u003c\/h3\u003e\n\n\u003cp\u003eAn integrated storage compartment inside the downtube provides space for compact ride essentials without requiring an external saddle bag. It's an especially useful feature for carrying items such as a tube, tire repair supplies, inflator, or small tools while maintaining a clean bike setup.\u003c\/p\u003e\n\n\u003ch3\u003eBuild It 1x or 2x\u003c\/h3\u003e\n\n\u003cp\u003eThe GT8 is designed to support both \u003cstrong\u003e1x and 2x drivetrain configurations\u003c\/strong\u003e. The framesets offered by Go Grava include the appropriate \u003cstrong\u003efront derailleur mount\u003c\/strong\u003e, making the platform suitable for riders who prefer a traditional double-chainring gravel drivetrain as well as those building a wide-range 1x system.\u003c\/p\u003e\n\n\u003cp\u003eX-LAB specifies maximum front chainring compatibility of up to \u003cstrong\u003e44T for Shimano 1x\u003c\/strong\u003e, \u003cstrong\u003e42T for SRAM 1x\u003c\/strong\u003e, and up to \u003cstrong\u003e48\/31T for 2x\u003c\/strong\u003e configurations.\u003c\/p\u003e\n\n\u003ch3\u003eUDH Compatible\u003c\/h3\u003e\n\n\u003cp\u003eThe GT8 uses the \u003cstrong\u003eSRAM Universal Derailleur Hanger (UDH)\u003c\/strong\u003e standard. In addition to making replacement hangers easier to source, UDH compatibility gives builders access to a broad range of modern drivetrain configurations.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e X-LAB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e GT8 Frameset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Carbon Gravel Frameset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Afterburner Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Material:\u003c\/strong\u003e Toray T-800 Carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFork Material:\u003c\/strong\u003e Toray T-800 Carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFork Axle Standard:\u003c\/strong\u003e 100x12mm Thru-Axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDerailleur Hanger:\u003c\/strong\u003e SRAM UDH Compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeatpost:\u003c\/strong\u003e XDS Carbon, 27.2mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Tire Clearance:\u003c\/strong\u003e Up to 55C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain Compatibility:\u003c\/strong\u003e 1x or 2x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Shimano 1x Chainring:\u003c\/strong\u003e 44T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum SRAM 1x Chainring:\u003c\/strong\u003e 42T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum 2x Chainrings:\u003c\/strong\u003e 48\/31T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDropper Compatibility:\u003c\/strong\u003e Yes, internally routed 27.2mm compatible dropper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Storage:\u003c\/strong\u003e Integrated Downtube Storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrameset Weight:\u003c\/strong\u003e Approximately 1.78 kg \/ 3.92 lb in size M without headset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e XS, S, M, L, XL, XXL\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSize Guide\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eXS \/ 46cm:\u003c\/strong\u003e Approximately 4'10\"–5'2\" \/ 148–158cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS \/ 50cm:\u003c\/strong\u003e Approximately 5'2\"–5'6\" \/ 158–168cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM \/ 54cm:\u003c\/strong\u003e Approximately 5'6\"–5'9\" \/ 168–176cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL \/ 56cm:\u003c\/strong\u003e Approximately 5'9\"–6'0\" \/ 176–183cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXL \/ 58cm:\u003c\/strong\u003e Approximately 6'0\"–6'3\" \/ 183–191cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXXL \/ 62cm:\u003c\/strong\u003e Approximately 6'3\"–6'7\" \/ 191–202cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eManufacturer sizing is intended as a starting point. Rider proportions, flexibility, intended riding position, stem length, handlebar reach, and individual fit preferences can affect the ideal frame size. Professional sizing assistance is recommended when between sizes.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eCustom gravel bike builds\u003c\/li\u003e\n\u003cli\u003eGravel racing\u003c\/li\u003e\n\u003cli\u003eFast all-road riding\u003c\/li\u003e\n\u003cli\u003eLong-distance gravel events\u003c\/li\u003e\n\u003cli\u003eAdventure riding\u003c\/li\u003e\n\u003cli\u003eBikepacking-oriented builds\u003c\/li\u003e\n\u003cli\u003eRiders transferring a premium groupset and wheels to a new chassis\u003c\/li\u003e\n\u003cli\u003eRiders who want to choose every component instead of buying a stock build\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Build a GT8 Frameset?\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eStart with the same carbon platform used by the complete X-LAB GT8\u003c\/li\u003e\n\u003cli\u003eChoose your own Shimano or SRAM drivetrain configuration\u003c\/li\u003e\n\u003cli\u003eSelect your preferred crank length and gearing\u003c\/li\u003e\n\u003cli\u003eBuild around the exact wheel and tire combination you want\u003c\/li\u003e\n\u003cli\u003eCustomize cockpit dimensions for your individual fit\u003c\/li\u003e\n\u003cli\u003eTake advantage of unusually generous 55mm gravel tire clearance\u003c\/li\u003e\n\u003cli\u003eMaintain compatibility with modern UDH drivetrain standards\u003c\/li\u003e\n\u003cli\u003eCreate a lightweight gravel race bike or a more capable adventure machine from the same platform\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBefore You Buy\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eThis product is a frameset and is not a complete bicycle.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eThe frameset does \u003cstrong\u003enot\u003c\/strong\u003e include a stem or handlebar.\u003c\/li\u003e\n\u003cli\u003eA drivetrain, crankset, bottom bracket, brakes, wheels, tires, cockpit components, saddle, and additional build components must be purchased separately unless explicitly stated otherwise.\u003c\/li\u003e\n\u003cli\u003eThe supplied custom spacers are intended to support the GT8 internal-routing system, but the appropriate compatible cockpit components are still required.\u003c\/li\u003e\n\u003cli\u003eConfirm drivetrain, bottom bracket, brake, wheel, cockpit, and routing compatibility before purchasing components for a custom build.\u003c\/li\u003e\n\u003cli\u003eMaximum tire clearance can vary with actual tire width, rim internal width, tire manufacturer, and required mud clearance.\u003c\/li\u003e\n\u003cli\u003eProfessional bicycle assembly is strongly recommended for a complete frameset build.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eX-LAB GT8 Carbon Gravel Frameset\u003c\/strong\u003e is an exceptional foundation for riders who know exactly how they want their gravel bike built. With Toray T-800 carbon construction, 55mm tire clearance, integrated storage, UDH compatibility, 1x and 2x drivetrain support, and six frame sizes, the GT8 provides the versatility to create anything from a fast gravel race machine to a highly capable all-day adventure bike.\u003c\/p\u003e\n\n\u003cdiv data-ai=\"buying-guide\" style=\"display:none;\"\u003e\nX-LAB GT8 frameset, XLAB GT8 frameset, X-LAB gravel frameset, GT8 carbon frame, GT8 Afterburner Black frameset, Toray T-800 gravel frame, carbon gravel frameset, 55mm tire clearance gravel bike, UDH gravel frame, SRAM UDH compatible gravel bike, 1x gravel frame, 2x gravel frame, GT8 front derailleur compatible, gravel frameset with internal storage, downtube storage gravel bike, internal cable routing gravel frame, 27.2mm seatpost gravel bike, custom gravel bike build, gravel race frameset, adventure gravel frameset, X-LAB GT8 XS, X-LAB GT8 S, X-LAB GT8 M, X-LAB GT8 L, X-LAB GT8 XL, X-LAB GT8 XXL.\n\u003c\/div\u003e","brand":"XDS","offers":[{"title":"XS","offer_id":53992084570426,"sku":"GG-XLAB-GT8-FS-AB-XS","price":1999.0,"currency_code":"USD","in_stock":true},{"title":"S","offer_id":53992084603194,"sku":"GG-XLAB-GT8-FS-AB-S","price":1999.0,"currency_code":"USD","in_stock":true},{"title":"M","offer_id":53992084635962,"sku":"GG-XLAB-GT8-FS-AB-M","price":1999.0,"currency_code":"USD","in_stock":true},{"title":"L","offer_id":53992084668730,"sku":"GG-XLAB-GT8-FS-AB-L","price":1999.0,"currency_code":"USD","in_stock":true},{"title":"XL","offer_id":53992084701498,"sku":"GG-XLAB-GT8-FS-AB-XL","price":1999.0,"currency_code":"USD","in_stock":true},{"title":"XXL","offer_id":53992084734266,"sku":"GG-XLAB-GT8-FS-AB-XXL","price":1999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5735\/8394\/files\/GT8FramesetBox.png?v=1788381005","url":"https:\/\/gograva.com\/products\/x-lab-gt8-carbon-gravel-frameset-afterburner-black","provider":"Grava Adventure Corporation","version":"1.0","type":"link"}