{"product_id":"toseek-carbon-aluminum-mtb-handlebar-stem-31-8mm-bicycle","title":"TOSEEK Carbon Aluminum MTB Stem 31.8mm | 4 Angles \u0026 Lengths","description":"\n\u003ch2\u003eTOSEEK Carbon Fiber + Aluminum Alloy MTB Bicycle Handlebar Stem\u003c\/h2\u003e\n\u003cp\u003eUpgrade your mountain bike setup with the \u003cstrong\u003eTOSEEK Carbon + Aluminum Handlebar Stem\u003c\/strong\u003e. Engineered for riders who demand a perfect blend of strength and low weight, this stem features a carbon fiber surface paired with a robust aluminum alloy core. Choose from multiple rise angles and lengths to dial in your ideal riding position — whether you prefer an aggressive tuck or a more upright trail stance.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHybrid Construction:\u003c\/strong\u003e Carbon fiber surface combined with high-grade aluminum alloy for exceptional strength-to-weight ratio — approximately 141g for the 35°\/100mm configuration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Rise Angles:\u003c\/strong\u003e Available in 10°, 17°, 25°, and 35° — pick the angle that suits your riding style and body geometry.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Lengths:\u003c\/strong\u003e Choose from 70mm, 80mm, 90mm, and 100mm to fine-tune your cockpit reach.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo Finish Options:\u003c\/strong\u003e Matte (default shipping) or glossy — simply leave a remark at checkout for glossy finish.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Fit:\u003c\/strong\u003e 31.8mm handlebar clamp diameter and 28.6mm (1-1\/8\") fork tube diameter for broad compatibility with standard MTB components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStylish Design:\u003c\/strong\u003e Clean, modern aesthetic that looks great on any mountain or trail bike.\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\u003eTOSEEK\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCarbon fiber surface + Aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRise Angles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10° \/ 17° \/ 25° \/ 35°\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70mm \/ 80mm \/ 90mm \/ 100mm\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\u003eFork Tube Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e28.6mm (1-1\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36 – 45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~141g (35° \/ 100mm; varies by size)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMatte (default) \/ Glossy (on request)\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 Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × TOSEEK Carbon + Aluminum Bicycle Stem\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This product features a carbon fiber surface with an aluminum alloy main structure. Please review all specifications carefully before ordering. For glossy finish, leave a remark after placing your order or contact us directly. Minor size deviations may occur due to manual measurement. Colors may vary slightly from product images due to lighting and monitor settings.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also 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 Belt Loop Waist Pack – Handy Carry Accessory for Riders\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 this TOSEEK MTB stem?\u003c\/h4\u003e\n\u003cp\u003eA: This stem features a 31.8mm handlebar clamp diameter, which is the most common standard for modern mountain bike handlebars. Please confirm your handlebar diameter before purchasing.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I get this stem in a glossy finish instead of matte?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The default shipping finish is matte, but glossy is available. Simply leave a note on your order or contact us after placing your order to request the glossy finish.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the stem made entirely of carbon fiber?\u003c\/h4\u003e\n\u003cp\u003eA: No — this stem uses a carbon fiber surface layer combined with an aluminum alloy main body. This hybrid construction delivers a great balance of lightweight performance and structural durability at an accessible price point.\u003c\/p\u003e\n\u003ch4\u003eQ: What fork tube diameter does this stem fit?\u003c\/h4\u003e\n\u003cp\u003eA: This stem is designed for a 28.6mm (1-1\/8\") fork tube, which is the standard threadless steerer tube size found on the vast majority of mountain and trail bikes.\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 this TOSEEK MTB stem?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This stem features a 31.8mm handlebar clamp diameter, which is the most common standard for modern mountain bike handlebars. Please confirm your handlebar diameter before purchasing.\"}}, {\"@type\": \"Question\", \"name\": \"Can I get this stem in a glossy finish instead of matte?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The default shipping finish is matte, but glossy is available. 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