{"product_id":"fsa-v-drive-mtb-stem-80mm-31-8","title":"FSA V-Drive MTB Stem – 80mm, 31.8 Clamp, +\/-17°, 1-1\/8\"","description":"\u003cp\u003eThe FSA V-Drive MTB Stem is a durable, no-nonsense cockpit upgrade designed for mountain and trail bikes. With a 3D forged and CNC-machined aluminum body, it delivers reliable stiffness and fit adjustment through a reversible +\/-17° angle.\u003c\/p\u003e\n\n\u003ch3\u003eKey Functional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e80mm stem length for balanced MTB cockpit positioning\u003c\/li\u003e\n\u003cli\u003e+\/-17° reversible angle for fit tuning (rise or drop)\u003c\/li\u003e\n\u003cli\u003e31.8mm handlebar clamp (modern standard)\u003c\/li\u003e\n\u003cli\u003e1-1\/8\" steerer tube compatibility\u003c\/li\u003e\n\u003cli\u003e3D forged and CNC machined AL6061\/T6 aluminum body\u003c\/li\u003e\n\u003cli\u003e4-bolt faceplate for secure handlebar clamping\u003c\/li\u003e\n\u003cli\u003eChromoly hardware for durability\u003c\/li\u003e\n\u003cli\u003e40mm stack height at steerer clamp\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFSA (Full Speed Ahead)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eV-Drive MTB Stem\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBar Clamp Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e31.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSteerer Tube Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAngle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-17°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAL6061\/T6 Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStack Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHardware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChromoly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e840031054111\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility \u0026amp; Technical Notes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGood Fit:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMountain, trail, and hybrid bikes with 1-1\/8\" threadless steerers\u003c\/li\u003e\n\u003cli\u003eHandlebars with 31.8mm clamp diameter\u003c\/li\u003e\n\u003cli\u003eRiders adjusting reach or stack height with stem angle flip\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNot A Fit:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e35mm handlebar clamp systems (incompatible)\u003c\/li\u003e\n\u003cli\u003eOlder 25.4mm or 26.0mm handlebars\u003c\/li\u003e\n\u003cli\u003eTapered steerer confusion (this fits the top 1-1\/8\" section only, which is standard)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis stem uses the modern 31.8mm handlebar standard and fits standard threadless headsets with a 1-1\/8\" steerer.\u003c\/p\u003e\n\n\u003ch3\u003eService \/ Ownership Context\u003c\/h3\u003e\n\u003cp\u003eInstallation requires proper torque on both steerer clamp bolts and faceplate bolts. Always tighten in a cross-pattern and follow torque specs to avoid bar slippage or damage. Angle can be flipped during install to raise or lower handlebar position.\u003c\/p\u003e\n\n\u003ch3\u003eFit \u0026amp; Use Signals\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGood for riders dialing in fit on MTB or hybrid bikes\u003c\/li\u003e\n\u003cli\u003eUseful for increasing comfort (positive rise) or aggressive positioning (negative drop)\u003c\/li\u003e\n\u003cli\u003eCommon replacement for OEM stems on entry to mid-level bikes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv data-ai=\"mechanic-insight\" style=\"display:none\"\u003e\nBiggest issue is clamp mismatch—customers often don’t know if they have 31.8 or 35mm bars. Verify before selling. The +\/-17° angle is more aggressive than most OEM stems (~6°), so flipping it can significantly change fit—good for solving fit issues without new bars. Watch stack height: at 40mm, it may affect spacer setup on shorter steerers. Always recommend a torque wrench—over-tightening faceplate bolts can crush lightweight handlebars. Upsell opportunity: new bars if customer is upgrading cockpit, or headset spacers for fit adjustments.\n\u003c\/div\u003e\n","brand":"FSA","offers":[{"title":"Default Title","offer_id":53284318839098,"sku":"GG-STEM-FSA-VDRIVE-80-318-17","price":43.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5735\/8394\/files\/570164-2.jpg?v=1775571928","url":"https:\/\/gograva.com\/products\/fsa-v-drive-mtb-stem-80mm-31-8","provider":"Grava Adventure Corporation","version":"1.0","type":"link"}