{"product_id":"origin8-pro-fit-3d-stem-90mm-31-8mm-6-degree-black","title":"Origin8 Pro Fit 3D Stem | 90mm | 31.8mm Clamp | ±6° | Black","description":"\u003ch2\u003eOrigin8 Pro Fit 3D Stem | 90mm | 31.8mm Clamp | ±6°\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eLightweight strength and dependable performance for road, gravel, mountain, and everyday riding.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOrigin8 Pro Fit 3D Stem\u003c\/strong\u003e is a versatile threadless stem designed for riders looking for a durable, reliable cockpit upgrade. Precision 3D forged from \u003cstrong\u003eAL6061-T6 aluminum\u003c\/strong\u003e, it offers an excellent balance of stiffness, strength, and low weight for everything from weekend road rides to aggressive trail sessions.\u003c\/p\u003e\n\n\u003cp\u003eThe reversible \u003cstrong\u003e±6° rise\u003c\/strong\u003e allows you to fine-tune your riding position by installing the stem in either a positive or negative angle. Its \u003cstrong\u003e4-bolt faceplate\u003c\/strong\u003e evenly distributes clamping force across the handlebar for a secure fit while simplifying installation and adjustments.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with both road and mountain bikes, the Pro Fit Stem is ISO Mountain Safety Certified and built to provide years of dependable performance.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e3D forged AL6061-T6 aluminum construction\u003c\/li\u003e\n\u003cli\u003e90mm extension\u003c\/li\u003e\n\u003cli\u003e31.8mm oversized handlebar clamp\u003c\/li\u003e\n\u003cli\u003eReversible ±6° rise for adjustable fit\u003c\/li\u003e\n\u003cli\u003e4-bolt front-loading one-piece faceplate\u003c\/li\u003e\n\u003cli\u003eCompatible with road, gravel, MTB, hybrid, and commuter bikes\u003c\/li\u003e\n\u003cli\u003eISO Mountain Safety Certified\u003c\/li\u003e\n\u003cli\u003eDurable black finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Origin8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Pro Fit 3D Stem\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 570186\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 888571072103\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStem Length:\u003c\/strong\u003e 90mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandlebar Clamp Diameter:\u003c\/strong\u003e 31.8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteerer Tube Diameter:\u003c\/strong\u003e 1-1\/8\" (28.6mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRise:\u003c\/strong\u003e ±6°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 3D Forged AL6061-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStack Height:\u003c\/strong\u003e 40mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaceplate:\u003c\/strong\u003e 4-Bolt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e ISO Mountain Safety Certified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e1-1\/8\" threadless forks\u003c\/li\u003e\n\u003cli\u003e31.8mm handlebars\u003c\/li\u003e\n\u003cli\u003eRoad bikes\u003c\/li\u003e\n\u003cli\u003eGravel bikes\u003c\/li\u003e\n\u003cli\u003eMountain bikes\u003c\/li\u003e\n\u003cli\u003eHybrid and commuter bikes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy You'll Love It\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eStrong yet lightweight forged aluminum construction\u003c\/li\u003e\n\u003cli\u003eReversible angle lets you dial in your riding position\u003c\/li\u003e\n\u003cli\u003eSecure 4-bolt faceplate evenly clamps modern handlebars\u003c\/li\u003e\n\u003cli\u003eSuitable for nearly any cycling discipline\u003c\/li\u003e\n\u003cli\u003eExcellent value with dependable Origin8 quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBefore You Buy\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eThis stem fits \u003cstrong\u003e1-1\/8\" threadless steerers\u003c\/strong\u003e and \u003cstrong\u003e31.8mm handlebars\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe stem can be installed in either orientation to achieve a +6° or -6° rise.\u003c\/li\u003e\n\u003cli\u003eAlways tighten stem bolts to the manufacturer's specified torque using a calibrated torque wrench.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOrigin8 Pro Fit 3D Stem\u003c\/strong\u003e delivers reliable performance, precise steering, and versatile fit adjustment, making it an excellent choice for riders upgrading or replacing a threadless stem on virtually any modern bicycle.\u003c\/p\u003e\n\n\u003cdiv data-ai=\"buying-guide\" style=\"display:none;\"\u003e\nOrigin8 Pro Fit stem. 90mm bicycle stem. 31.8 stem. Threadless stem. Road bike stem. Mountain bike stem. Gravel bike stem. Hybrid bike stem. AL6061-T6 stem. 3D forged stem. 1-1\/8 stem. +\/-6 degree stem. Origin8 cockpit components. Black bicycle stem. Origin8 570186.\n\u003c\/div\u003e","brand":"Origin 8","offers":[{"title":"Default Title","offer_id":53853480780090,"sku":"GG-OR8-PROFIT-90-BK","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5735\/8394\/files\/570186-1-2.jpg?v=1785943096","url":"https:\/\/gograva.com\/products\/origin8-pro-fit-3d-stem-90mm-31-8mm-6-degree-black","provider":"Grava Adventure Corporation","version":"1.0","type":"link"}