{"product_id":"bucklos-17-degree-negative-mtb-bike-stem-90mm-aluminum-alloy","title":"BUCKLOS 90mm -17° Negative MTB Bike Stem | Aluminum Alloy","description":"\n\u003ch2\u003eBUCKLOS 17° Negative Aluminum Alloy MTB Bike Stem – 90mm\u003c\/h2\u003e\n\u003cp\u003eUpgrade your mountain bike's handling and riding position with the \u003cstrong\u003eBUCKLOS 17-Degree Negative Bike Stem\u003c\/strong\u003e. Precision CNC-machined from high-strength aluminum alloy, this 90mm stem delivers a responsive, low-profile feel ideal for downhill (DH), cross-country (XC), and trail riding. Whether you're carving technical singletrack or pushing the limits on descents, this stem provides the stiffness and geometry you need to ride with confidence.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight Hollow Design:\u003c\/strong\u003e CNC-machined aluminum alloy construction keeps weight to approximately 206g without sacrificing rigidity or durability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e-17° Negative Rise Angle:\u003c\/strong\u003e Lowers your handlebar position for a more aggressive, aerodynamic riding stance — perfect for DH and XC disciplines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmooth \u0026amp; Rust-Resistant Surface:\u003c\/strong\u003e High-strength aluminum alloy finish holds up against harsh weather including wind, rain, and trail debris.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise CNC Machining:\u003c\/strong\u003e Ensures tight tolerances, consistent thread engagement, and long-lasting structural integrity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Fit:\u003c\/strong\u003e 28.6mm steerer tube clamp diameter and 31.8mm handlebar clamp diameter make it compatible with most standard MTB forks and handlebars.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Color Options:\u003c\/strong\u003e Available in White, Red, Yellow, and Green to match your bike's build.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBUCKLOS\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 Degrees (Negative)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90mm\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\u003e28.6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHandlebar 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\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCNC Machined\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~206g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Red \/ Yellow \/ Green\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis stem is ideal for mountain bikers who want a more aggressive riding position. Whether you're a downhill racer, an XC competitor, or a weekend trail shredder, the BUCKLOS negative stem gives you a performance-focused setup straight out of the box.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/2m-light-stand-folding-telescoping-tripod-adjustable-photography-floor-lamp-holder-tripod-for-outdoor-picnics-camping-hiking\"\u003e2m Folding Telescoping Tripod – Great for Outdoor Adventures\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-sheath-fold-knife-plier-bag-pouch-case-sheath-belt-loop-pocket-carry-storage-flashlight-holder-waist-pack\"\u003eSheath \u0026amp; Tool Carry Pouch – Handy Trail Accessory\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/health.gov\/moveyourway\" target=\"_blank\" rel=\"noopener\"\u003eHHS Move Your Way physical activity guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What handlebar diameter is compatible with the BUCKLOS 90mm MTB stem?\u003c\/h4\u003e\n\u003cp\u003eA: The BUCKLOS 17-degree negative stem is designed for a \u003cstrong\u003e31.8mm handlebar clamp diameter\u003c\/strong\u003e, which is the most common standard for modern mountain bike handlebars. Always verify your handlebar's diameter before installing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does the \"-17 degree\" negative angle mean for my riding position?\u003c\/h4\u003e\n\u003cp\u003eA: A -17° negative rise angle means the stem angles downward from the steerer tube, resulting in a lower handlebar position. This creates a more aggressive, forward-leaning posture that improves aerodynamics and handling responsiveness — favored by downhill (DH) and cross-country (XC) riders.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this stem compatible with standard 1-1\/8\" forks?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The BUCKLOS bike stem has a \u003cstrong\u003e28.6mm (1-1\/8\") steerer tube clamp diameter\u003c\/strong\u003e, which is the standard size for most modern mountain bike forks. It is compatible with threadless steerer tubes.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How durable is the aluminum alloy material?\u003c\/h4\u003e\n\u003cp\u003eA: The stem is CNC-machined from high-strength aluminum alloy with a rust-resistant surface treatment, making it suitable for all-weather use including rain, mud, and dust. Its hollow design keeps it lightweight while maintaining the structural integrity needed for demanding trail conditions.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What handlebar diameter is compatible with the BUCKLOS 90mm MTB stem?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The BUCKLOS 17-degree negative stem is designed for a 31.8mm handlebar clamp diameter, which is the most common standard for modern mountain bike handlebars. Always verify your handlebar's diameter before installing.\"}}, {\"@type\": \"Question\", \"name\": \"What does the \\\"-17 degree\\\" negative angle mean for my riding position?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A -17° negative rise angle means the stem angles downward from the steerer tube, resulting in a lower handlebar position. This creates a more aggressive, forward-leaning posture that improves aerodynamics and handling responsiveness — favored by downhill (DH) and cross-country (XC) riders.\"}}, {\"@type\": \"Question\", \"name\": \"Is this stem compatible with standard 1-1\/8\\\" forks?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The BUCKLOS bike stem has a 28.6mm (1-1\/8\\\") steerer tube clamp diameter, which is the standard size for most modern mountain bike forks. 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Its hollow design keeps it lightweight while maintaining the structural integrity needed for demanding trail conditions.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"BUCKLOS 90mm -17° Negative MTB Bike Stem | Aluminum Alloy\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/bucklos-17-degree-negative-mtb-bike-stem-90mm-aluminum-alloy\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"White","offer_id":67582934548579,"sku":"1005008330540088-White","price":38.96,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":67582934581347,"sku":"1005008330540088-Red","price":39.14,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":67582934614115,"sku":"1005008330540088-Yellow","price":39.14,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":67582934646883,"sku":"1005008330540088-Green","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/2047\/6003\/files\/S90ef88ba474149b198349abaa6bf7d46p.webp?v=1790531456","url":"https:\/\/nixiehaven.com\/products\/bucklos-17-degree-negative-mtb-bike-stem-90mm-aluminum-alloy","provider":"Nixie","version":"1.0","type":"link"}