{"title":"Office Chair Gas Lifts","description":"\u003cdiv\u003e\n\u003cp\u003eHeavy-duty \u003cstrong\u003eClass 4 office chair gas lift cylinders\u003c\/strong\u003e for sinking office chairs, gaming chairs, drafting chairs and swivel stools. UK stock with same-day dispatch.\u003c\/p\u003e\n\u003ch2\u003eAvailable Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e260mm Class 4 Gas Lift\u003c\/strong\u003e — heavy duty replacement cylinder\u003c\/li\u003e\n\u003cli\u003eFits \u003cstrong\u003estandard 28mm taper\u003c\/strong\u003e (95%+ of UK office chairs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm cone\u003c\/strong\u003e connection to seat mechanism\u003c\/li\u003e\n\u003cli\u003eSmooth up \u0026amp; down height adjustment — stops chairs sinking\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Class 4?\u003c\/h3\u003e\n\u003cp\u003eClass 4 is the highest safety rating for gas lift cylinders. Built for daily heavy use with proven durability — perfect for office, gaming, home working and studio setups.\u003c\/p\u003e\n\u003ch3\u003eEasy Installation\u003c\/h3\u003e\n\u003cp\u003eNo tools required. Just remove your old cylinder and press-fit the new one into position. Full instructions and safety guide included.\u003c\/p\u003e\n\u003ch3\u003eFast UK Dispatch\u003c\/h3\u003e\n\u003cp\u003eOrders placed Monday to Sunday before 16:00 are dispatched the same day from UK stock via Royal Mail or Evri.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"office-chair-gas-lift-office-seat-shock-absorber","title":"260mm Office Chair Gas Lift Cylinder Class 4 Heavy Duty Gaming – 1 Pack | SpringFix UK","description":"\u003cdiv style=\"font-family:Arial,Helvetica,sans-serif; font-size:14px; line-height:1.55; color:#222; max-width:900px;\"\u003e\n\n  \u003ch2 style=\"margin:0 0 10px 0; font-size:20px; color:#111;\"\u003eHeavy Duty Office Chair Gas Lift Cylinder – 260mm Class 4 Replacement\u003c\/h2\u003e\n\n  \u003cp style=\"margin:0 0 14px 0;\"\u003e\n    Fix a sinking, wobbly or worn-out chair with this \u003cstrong\u003eClass 4 heavy-duty gas lift cylinder\u003c\/strong\u003e. Designed for smooth, controlled height adjustment on office and gaming chairs that use the standard \u003cstrong\u003e28mm taper\u003c\/strong\u003e and \u003cstrong\u003e50mm cone\u003c\/strong\u003e fit — the most common connection found in the UK market.\n  \u003c\/p\u003e\n\n  \u003cdiv style=\"padding:12px 14px; border:1px solid #e6e6e6; border-radius:10px; margin:0 0 14px 0; background:#fafafa;\"\u003e\n    \u003cstrong style=\"display:block; margin-bottom:8px; font-size:15px;\"\u003eKey Features\u003c\/strong\u003e\n    \u003cul style=\"margin:0; padding-left:20px;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eClass 4\u003c\/strong\u003e gas lift — built for daily heavy use\u003c\/li\u003e\n      \u003cli\u003eSmooth, controlled up \u0026amp; down height adjustment\u003c\/li\u003e\n      \u003cli\u003eStops chairs sinking during use\u003c\/li\u003e\n      \u003cli\u003eHeavy-duty steel construction with black powder-coated finish\u003c\/li\u003e\n      \u003cli\u003eChrome-finish piston shaft for smooth operation\u003c\/li\u003e\n      \u003cli\u003eOperating temperature: -30°C to +80°C\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding:12px 14px; border:1px solid #e6e6e6; border-radius:10px; margin:0 0 14px 0;\"\u003e\n    \u003cstrong style=\"display:block; margin-bottom:8px; font-size:15px;\"\u003eFits Most Standard Office \u0026amp; Gaming Chairs\u003c\/strong\u003e\n    \u003cul style=\"margin:0; padding-left:20px;\"\u003e\n      \u003cli\u003eStandard \u003cstrong\u003e28mm piston taper\u003c\/strong\u003e — fits 5-star bases used on 95%+ of UK office chairs\u003c\/li\u003e\n      \u003cli\u003eStandard \u003cstrong\u003e50mm cone\u003c\/strong\u003e connection to seat mechanism\u003c\/li\u003e\n      \u003cli\u003eIdeal for office chairs, gaming chairs, swivel chairs, drafting chairs, bar stools with gas lift\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding:12px 14px; border:1px solid #ffe2b3; border-radius:10px; margin:0 0 14px 0; background:#fff8ee;\"\u003e\n    \u003cstrong style=\"display:block; margin-bottom:6px; font-size:15px;\"\u003ePlease Check Before Ordering\u003c\/strong\u003e\n    \u003cul style=\"margin:0; padding-left:20px;\"\u003e\n      \u003cli\u003eThis is the \u003cstrong\u003e260mm total length\u003c\/strong\u003e version — check your existing cylinder length matches, or that 260mm gives you the seat height you need.\u003c\/li\u003e\n      \u003cli\u003eConfirm your chair uses a standard 28mm taper connection (see technical drawing photo).\u003c\/li\u003e\n      \u003cli\u003eNot sure? Send us a photo of your current cylinder — we'll check compatibility before you buy.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding:12px 14px; border:1px solid #e6e6e6; border-radius:10px; margin:0 0 14px 0;\"\u003e\n    \u003cstrong style=\"display:block; margin-bottom:8px; font-size:15px;\"\u003eInstallation\u003c\/strong\u003e\n    \u003cp style=\"margin:0 0 8px 0;\"\u003eRemove your old cylinder from the seat and 5-star base, then press-fit the new cylinder into position. No special tools required.\u003c\/p\u003e\n    \u003cp style=\"margin:0; color:#a83232;\"\u003e\u003cstrong\u003eSafety:\u003c\/strong\u003e Gas lifts are pressurised. Do not puncture, cut or heat the cylinder.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding:12px 14px; border:1px solid #d9ecff; border-radius:10px; margin:0 0 14px 0; background:#f5faff;\"\u003e\n    \u003cstrong style=\"display:block; margin-bottom:6px; font-size:15px;\"\u003eFast UK Dispatch\u003c\/strong\u003e\n    \u003cp style=\"margin:0;\"\u003e\n      Orders placed \u003cstrong\u003eMonday to Sunday before 16:00\u003c\/strong\u003e are dispatched the \u003cstrong\u003esame day\u003c\/strong\u003e.\u003cbr\u003e\n      Shipping is normally via \u003cstrong\u003eRoyal Mail\u003c\/strong\u003e or \u003cstrong\u003eEvri\u003c\/strong\u003e, depending on parcel size and destination.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cp style=\"margin:0 0 6px 0;\"\u003e\u003cstrong\u003eQuestions?\u003c\/strong\u003e Message us — we're happy to help confirm fit before you order.\u003c\/p\u003e\n\n  \u003cp style=\"margin:0; color:#555; font-size:13px;\"\u003eSpringFix UK — Gas Springs, Chair Spares \u0026amp; Engineering Hardware. UK based, UK dispatched.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"SpringFixUk","offers":[{"title":"Default Title","offer_id":52258099888462,"sku":"OFA","price":14.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/0082\/8494\/files\/springfixuk-heavy-duty-gas-lift-cylinder-260mm_cd799fd6-731a-4761-ae1a-c839a82168e9.png?v=1783379482"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/0082\/8494\/collections\/office-chair-strut.jpg?v=1783520838","url":"https:\/\/springfixuk.com\/collections\/office-chair-gas-lifts.oembed","provider":"SpringFixUk","version":"1.0","type":"link"}