{"product_id":"titanium-stem-top-cap-set-with-m6x30-bolt-fits-1-1-8-steerer-31-8mm-cap-outer-diameter","title":"Titanium Stem Top Cap Set with M6x30 Bolt | Fits 1-1\/8\" Steerer (31.8mm Cap Outer Diameter)","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eProduct Description\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003ch2\u003eS-PARTS Titanium Headset Top Cap Set\u003c\/h2\u003e\n\u003ch3\u003eLightweight Titanium Performance with Custom Cycling Style\u003c\/h3\u003e\n\u003cp\u003eUpgrade your bike cockpit with the S-PARTS Titanium Headset Top Cap Set, combining lightweight performance, precision manufacturing, and unique graphic designs.\u003c\/p\u003e\n\u003cp\u003eDesigned for bicycles using a \u003cstrong\u003estandard 1-1\/8\" (28.6mm) threadless steerer tube\u003c\/strong\u003e, this set includes a precision titanium headset top cap and a dedicated \u003cstrong\u003eM6 x 30mm titanium bolt\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith multiple finishes and 15 exclusive graphic patterns, it adds a distinctive personal touch to road bikes and mountain bikes while reducing unnecessary weight.\u003c\/p\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eProduct Specifications\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Titanium Headset Top Cap Set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Road Bike \/ MTB with standard 1-1\/8\" (28.6mm) threadless steerer tubes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Cap Diameter:\u003c\/strong\u003e 31.8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt Size:\u003c\/strong\u003e M6 x 30mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired Tool:\u003c\/strong\u003e 4mm Hex Key\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Grade 5 Titanium (Ti-6Al-4V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eDesigns 1–3: Approx. 7.5g\/set\u003c\/li\u003e\n\u003cli\u003eDesigns 4–15: Approx. 8.7g\/set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Colors:\u003c\/strong\u003e Gold, Rainbow, Black, Blue\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003e15 Custom Graphic Designs\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eChoose from 15 unique designs created for riders who want their bike to stand out.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ePentagram Smiley – 7.5g\/set\u003c\/li\u003e\n\u003cli\u003e100% Rage – 7.5g\/set\u003c\/li\u003e\n\u003cli\u003eOuroboros – 7.5g\/set\u003c\/li\u003e\n\u003cli\u003eSheriff Star – 8.7g\/set\u003c\/li\u003e\n\u003cli\u003eWarbonnet Skull – 8.7g\/set\u003c\/li\u003e\n\u003cli\u003eSugar Skull – 8.7g\/set\u003c\/li\u003e\n\u003cli\u003ePanda Skull – 8.7g\/set\u003c\/li\u003e\n\u003cli\u003eLiquid Zebra – 8.7g\/set\u003c\/li\u003e\n\u003cli\u003eHexagram – 8.7g\/set\u003c\/li\u003e\n\u003cli\u003eStar Pinwheel – 8.7g\/set\u003c\/li\u003e\n\u003cli\u003ePixel Skull – 8.7g\/set\u003c\/li\u003e\n\u003cli\u003eSacred Vine – 8.7g\/set\u003c\/li\u003e\n\u003cli\u003eRock \u0026amp; Roll – 8.7g\/set\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrainwash – 8.7g\/set\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eUntitled – 8.7g\/set\u003c\/li\u003e\n\u003cli\u003eFXCK Yeah – 8.7g\/set\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003ePremium Grade 5 Titanium Construction\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch3\u003eStrength, Lightweight Design, and Precision\u003c\/h3\u003e\n\u003cp\u003eS-PARTS carefully selects \u003cstrong\u003eGrade 5 Titanium (Ti-6Al-4V)\u003c\/strong\u003e through a professional titanium material supply chain and continuous laboratory verification.\u003c\/p\u003e\n\u003cp\u003eEach batch is tested according to strict S-PARTS standards, achieving an average tensile strength exceeding:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1050 MPa\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCompared with conventional steel hardware, S-PARTS titanium components provide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent strength-to-weight ratio\u003c\/li\u003e\n\u003cli\u003eApproximately 50% weight reduction compared with steel parts\u003c\/li\u003e\n\u003cli\u003eMechanical performance comparable to 10.9 grade steel components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003ePrecision Forged and CNC Machined\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch3\u003eEngineered for Reliable Fit and Finish\u003c\/h3\u003e\n\u003cp\u003eEach S-PARTS titanium headset top cap is manufactured through precision forging and CNC machining processes.\u003c\/p\u003e\n\u003cp\u003eDedicated forging molds are carefully controlled to maintain consistent production accuracy, with each mold used for no more than \u003cstrong\u003e300 forming cycles\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003ePrecision CNC machining ensures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAccurate dimensions\u003c\/li\u003e\n\u003cli\u003eSmooth surface finish\u003c\/li\u003e\n\u003cli\u003eSecure bolt engagement\u003c\/li\u003e\n\u003cli\u003eReliable installation performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003ePremium Vacuum Nitriding Finish\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch3\u003eLong-Lasting Color with Titanium Character\u003c\/h3\u003e\n\u003cp\u003eGold, Rainbow, Black, and Blue finishes are created using S-PARTS proprietary \u003cstrong\u003evacuum nitriding coloring process\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eUnlike surface coatings that simply sit on the outside, this treatment integrates the color effect into the titanium surface, providing enhanced durability for everyday riding conditions.\u003c\/p\u003e\n\u003cp\u003eDesigned to withstand exposure to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRain\u003c\/li\u003e\n\u003cli\u003eMud\u003c\/li\u003e\n\u003cli\u003eRoad dust\u003c\/li\u003e\n\u003cli\u003eOutdoor environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHelping your bike maintain its unique appearance ride after ride.\u003c\/p\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003ePackage Includes\u003cspan 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