{"product_id":"cervelo-s5-2025-titanium-v-stem-bolts-kit-grade-5-ti-6al-4v-head-tube-attachment-hardware-3pcs","title":"Cervélo S5 2025 Titanium V-Stem Bolts Kit – Grade 5 Ti-6Al-4V Head Tube Attachment Hardware (3PCS)","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eProduct Description\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003ch2\u003eS-PARTS Titanium V-Stem Bolts for Cervélo S5 2025\u003c\/h2\u003e\n\u003ch3\u003eLightweight Performance Hardware for Cervélo's Integrated Aero Cockpit System\u003c\/h3\u003e\n\u003cp\u003eDesigned specifically for the \u003cstrong\u003e2025 Cervélo S5 frame\u003c\/strong\u003e, the S-PARTS Titanium V-Stem Bolt Kit replaces the original hardware connecting the \u003cstrong\u003eV-Stem, head tube and headset spacer system\u003c\/strong\u003e with premium \u003cstrong\u003eGrade 5 Ti-6Al-4V titanium bolts\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFeaturing aerospace-grade titanium construction, precision CNC machining and multiple premium finishes, this upgrade delivers a perfect balance of lightweight performance, corrosion resistance and custom aesthetics for high-end road cyclists.\u003c\/p\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eQuick Specs Snapshot\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eCervélo S5 2025 Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eV-Stem \/ Head Tube Attachment Hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTitanium Stem Bolts Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eGrade 5 Ti-6Al-4V Titanium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e3PCS \/ Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTool Interface\u003c\/td\u003e\n\u003ctd\u003e5mm Hex Allen Key\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Colors\u003c\/td\u003e\n\u003ctd\u003eGold, Raw Titanium, Black, Blue, Green, Purple, Candy, Indigo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturing Process\u003c\/td\u003e\n\u003ctd\u003eHot Forging + CNC Precision Machining\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eQuick Specs Snapshot\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eCervélo S5 2025 Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eV-Stem \/ Head Tube Attachment Hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTitanium Stem Bolts Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eGrade 5 Ti-6Al-4V Titanium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e3PCS \/ Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTool Interface\u003c\/td\u003e\n\u003ctd\u003e5mm Hex Allen Key\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Colors\u003c\/td\u003e\n\u003ctd\u003eGold, Raw Titanium, Black, Blue, Green, Purple, Candy, Indigo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturing Process\u003c\/td\u003e\n\u003ctd\u003eHot Forging + CNC Precision Machining\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eVersion Options\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003ePlease select the correct version according to your current \u003cstrong\u003eheadset spacer stack height\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eVersion A\u003c\/h3\u003e\n\u003ch3\u003eFor 0–5mm Spacer Stack Height\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWeight: \u003cstrong\u003e14g\/set\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuantity: 3 titanium bolts\u003c\/li\u003e\n\u003cli\u003eDesigned for low-stack cockpit configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eVersion B\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003ch3\u003eFor 7.5–17.5mm Spacer Stack Height\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWeight: \u003cstrong\u003e17.3g\/set\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuantity: 3 titanium bolts\u003c\/li\u003e\n\u003cli\u003eDesigned for medium spacer configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eVersion C\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003ch3\u003eFor 20mm+ Spacer Stack Height\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWeight: \u003cstrong\u003e21.1g\/set\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuantity: 3 titanium bolts\u003c\/li\u003e\n\u003cli\u003eDesigned for higher spacer configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eAerospace-Grade Ti-6Al-4V Titanium Construction\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch3\u003eHigh Strength. Lower Weight.\u003c\/h3\u003e\n\u003cp\u003eS-PARTS carefully selects premium \u003cstrong\u003eTC4 titanium alloy (Ti-6Al-4V Grade 5)\u003c\/strong\u003e through a professional metal material supply chain and continuous laboratory verification.\u003c\/p\u003e\n\u003cp\u003eEach batch meets S-PARTS quality standards with an average tensile strength exceeding:\u003c\/p\u003e\n\u003ch3\u003e≥1050 MPa\u003c\/h3\u003e\n\u003cp\u003eSurpassing the industry standard requirement:\u003c\/p\u003e\n\u003ch3\u003e≥895 MPa\u003c\/h3\u003e\n\u003cp\u003eCompared with conventional steel hardware, S-PARTS titanium bolts provide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExceptional strength-to-weight ratio\u003c\/li\u003e\n\u003cli\u003eApproximately 50% weight reduction compared with steel components\u003c\/li\u003e\n\u003cli\u003eExcellent corrosion resistance\u003c\/li\u003e\n\u003cli\u003eLong-term durability for demanding cycling conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUnder equivalent conditions, TC4 titanium hardware delivers mechanical performance comparable to \u003cstrong\u003e10.9 grade steel fasteners\u003c\/strong\u003e, while maintaining significantly lower weight.\u003c\/p\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003ePrecision Hot Forging \u0026amp; CNC Machining\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch3\u003eEngineered for Perfect Fit and Reliable Performance\u003c\/h3\u003e\n\u003cp\u003eEach S-PARTS titanium bolt is produced using dedicated custom forging molds and advanced CNC machining technology.\u003c\/p\u003e\n\u003cp\u003eDuring the \u003cstrong\u003e650°C precision hot forging process\u003c\/strong\u003e, each forming mold is strictly controlled and used for no more than \u003cstrong\u003e300 cycles\u003c\/strong\u003e to maintain consistent dimensional accuracy.\u003c\/p\u003e\n\u003cp\u003eAfter forging, every bolt body is finished using military-grade precision CNC machining equipment.\u003c\/p\u003e\n\u003cp\u003eA micron-level tolerance control system ensures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAccurate thread engagement\u003c\/li\u003e\n\u003cli\u003eConsistent dimensions\u003c\/li\u003e\n\u003cli\u003eSmooth installation\u003c\/li\u003e\n\u003cli\u003eReliable mechanical performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003ePremium Titanium Finishes\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch3\u003ePerformance Meets Individual Style\u003c\/h3\u003e\n\u003cp\u003eS-PARTS offers multiple titanium surface finishes for riders who want both function and visual customization.\u003c\/p\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003ePVD Vacuum Nitriding Finish\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eAvailable Colors:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGold\u003c\/li\u003e\n\u003cli\u003eBlack\u003c\/li\u003e\n\u003cli\u003eBlue\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe PVD vacuum nitriding process creates a dense metal nitride surface layer that improves:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSurface hardness\u003c\/li\u003e\n\u003cli\u003eWear resistance\u003c\/li\u003e\n\u003cli\u003eImpact durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe finish provides excellent color stability under normal riding conditions.\u003c\/p\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eTitanium Electrochemical Anodized Finish\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eAvailable Colors:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGreen\u003c\/li\u003e\n\u003cli\u003ePurple\u003c\/li\u003e\n\u003cli\u003eCandy\u003c\/li\u003e\n\u003cli\u003eIndigo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThrough titanium anodizing technology, different oxide layer thicknesses create unique light interference effects.\u003c\/p\u003e\n\u003cp\u003eNo dyes are used.\u003c\/p\u003e\n\u003cp\u003eThe natural interaction between titanium oxide layers and light produces vibrant colors while improving:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSurface protection\u003c\/li\u003e\n\u003cli\u003eCorrosion resistance\u003c\/li\u003e\n\u003cli\u003eVisual appearance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eInstallation Notes\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003ePlease check your current headset spacer stack height (0–5mm, 7.5–17.5mm, or 20mm+) before placing your order.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstallation requires a \u003cstrong\u003e5mm hex Allen key\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSelect the correct bolt version according to your spacer height.\u003c\/li\u003e\n\u003cli\u003eFollow Cervélo recommended torque specifications during installation.\u003c\/li\u003e\n\u003cli\u003eDo not exceed the recommended torque value.\u003c\/li\u003e\n\u003cli\u003eApply titanium assembly paste where appropriate to prevent titanium thread galling.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S-PARTS","offers":[{"title":"For 0–5mm Spacer Stack Height \/ Gold","offer_id":45935959441599,"sku":"QT901200301","price":21.99,"currency_code":"USD","in_stock":true},{"title":"For 0–5mm Spacer Stack Height \/ Rainbow","offer_id":45935959474367,"sku":"QT901200302","price":21.99,"currency_code":"USD","in_stock":true},{"title":"For 0–5mm Spacer Stack Height \/ 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