{"product_id":"frame-bolt-kit-for-birdy-gen1-gen2-gen3","title":"Frame Bolt Kit for Birdy Gen1\/Gen2\/Gen3","description":"\u003cdiv\u003e\n\u003cdiv\u003eThis complete titanium fastener kit is tailor-made for Birdy Gen 1, Gen 2 and Gen 3 folding bicycles. Crafted from aerospace-grade Grade S TC4 titanium alloy, it delivers exceptional structural strength and extreme weight savings while serving as a direct, damage-free OEM replacement. Swap out your stock heavy steel hardware for an all-in-one upgrade that boosts riding performance and elevates your bike’s custom aesthetic.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e1. Full Kit Contents\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eThis kit includes every bolt and nut for all frame mounting positions — no extra parts required for installation:\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eHandlebar clamp bolts ×4\u003c\/li\u003e\n\u003cli\u003eHead tube hinge draw bolt set ×3\u003c\/li\u003e\n\u003cli\u003eHeadset star nut \u0026amp; fork fixing bolts ×4\u003c\/li\u003e\n\u003cli\u003eFork \u0026amp; frame side blanking plugs ×4\u003c\/li\u003e\n\u003cli\u003eRear hinge latch \u0026amp; folding lever fixing bolts ×4\u003c\/li\u003e\n\u003cli\u003eRear frame pivot bolts + rear shock lock nuts ×3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTotal Kit Weight\u003c\/strong\u003e: ~49.6g\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nMassively lighter than factory steel fasteners, this kit is a must-have lightweight upgrade for long-distance riders and folding bike mod enthusiasts.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e2. 8 Custom Finishes | Two Premium Surface Treatments\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eVacuum Nitriding (High abrasion resistance for heavy outdoor riding)\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eGold: Premium metallic gilded finish for a luxury custom build look\u003c\/li\u003e\n\u003cli\u003eRainbow Iridescent: Color-shift gradient finish for maximum visual distinction\u003c\/li\u003e\n\u003cli\u003eBlue: Deep metallic navy tone for a subtle, athletic style\u003c\/li\u003e\n\u003cli\u003eBlack: Matte solid black for a minimalist, clean understated build\u003c\/li\u003e\n\u003cli\u003eRaw Titanium: Uncoated bare titanium to showcase natural raw metallic texture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eAnodizing (Vibrant, refined hues — top pick for visual customization)\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003ePurple: Viral heat-tinted titanium purple, a best-selling custom colorway\u003c\/li\u003e\n\u003cli\u003eGreen: Fresh metallic green for a rare, highly distinctive look\u003c\/li\u003e\n\u003cli\u003eCandy Color: Soft translucent macaron tones, versatile and gentle on the eye\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e3. Military-Grade TC4 Titanium \u0026amp; Precision Manufacturing\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eAll S-PARTS fasteners are forged from civil aerospace Grade S TC4 titanium billets. Every batch of raw material undergoes rigorous laboratory tensile testing, delivering an average tensile strength of 1050 MPa — far exceeding the industry standard of 895 MPa. Matched in performance to Class 10.9 high-tensile steel bolts yet weighing only half as much, titanium boasts an outstanding specific strength that balances rigidity and lightweight performance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eThanks to titanium’s inherent chemical inertness, these fasteners offer superior rust and corrosion resistance, standing up to wet weather, coastal humidity and harsh riding conditions. Even under continuous load at high-stress points including frame folding pivots and head tubes, they resist deformation and thread stripping for unbeatable longevity.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eEach bolt head is hot-forged at 650°C using exclusive brand custom dies. Every stamping die is limited to 300 production cycles to eliminate dimensional tolerances caused by die wear, ensuring pinpoint accuracy across every fastener. Machined as single pieces on military-spec composite CNC lathes with micron-level tolerance control, the threads engage smoothly without binding during fitting. They withstand repeated disassembly and installation with minimal wear, locking securely without loosening over time. From raw material to finished machining, every production stage is engineered for consistent premium quality and reliable long-term use.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e4. Compatible Models \u0026amp; Installation Guidelines\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e✅ Fully compatible with all Birdy Gen 1 \/ Gen 2 \/ Gen 3 folding bike variants\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n⚠️ Always torque all fasteners to the official factory torque specifications listed in your bike’s service manual. Over-tightening will cause thread stripping and permanent frame damage.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e5. Authenticity Notice\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eAll weight, material and dimensional specifications listed on this page apply exclusively to genuine S-PARTS Grade TC4 titanium fasteners. Lookalike aftermarket products with matching appearances and claimed specs are counterfeit and cannot guarantee reliable performance. Always purchase official authentic S-PARTS hardware.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"S-PARTS","offers":[{"title":"Gold","offer_id":45719825383615,"sku":"39070601","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Rainbow","offer_id":45719825416383,"sku":"39070602","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Titanium","offer_id":45719825449151,"sku":"39070603","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":45719825481919,"sku":"39070604","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":45719825514687,"sku":"39070605","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":45719825547455,"sku":"39070606","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Purple","offer_id":45719825580223,"sku":"39070607","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Candy","offer_id":45719825612991,"sku":"39070609","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8037\/3951\/files\/1BirdyGen1Gen2Gen3_16094570-37de-4aaa-ad8e-facdcbe6bec5.jpg?v=1781233012","url":"https:\/\/www.spartsbolts.com\/products\/frame-bolt-kit-for-birdy-gen1-gen2-gen3","provider":"SPARTSBOLTS","version":"1.0","type":"link"}