{"product_id":"zipp-404-s-carbon-tubeless-disc-wheelset-50mm-xdr","title":"Zipp 404 S Carbon Tubeless Disc Wheelset – 50mm (XDR)","description":"\u003cstyle\u003e\n  .z404 { font-family: inherit; font-size: inherit; line-height: 1.6; color: inherit; }\n  .z404 h4 { font-size: 16px; font-weight: 700; margin: 28px 0 8px; border-bottom: 1px solid #e0e0e0; padding-bottom: 4px; }\n  .z404 p { margin: 0 0 12px; }\n  .z404 a { color: #0055cc; }\n  .z404 .note { font-style: italic; font-size: 13px; color: #555; }\n  .z404 .section-divider { border: none; border-top: 1px solid #e5e5e5; margin: 32px 0; }\n\n  \/* Spec + pressure tables — fixed 160px first column (desktop) *\/\n  .z404 table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 4px 0 12px; }\n  .z404 table td { padding: 6px 0; vertical-align: top; }\n  .z404 table td:first-child { width: 160px; color: #555; padding-right: 16px; }\n  .z404 .pressure-table td:last-child { font-weight: 600; white-space: nowrap; }\n\n  \/* Mobile: stack each row (label over value) so columns don't collide *\/\n  @media (max-width: 600px) {\n    .z404 table, .z404 table tbody, .z404 table tr, .z404 table td { display: block; width: 100%; }\n    .z404 table tr { padding: 8px 0; border-bottom: 1px solid #eee; }\n    .z404 table tr:last-child { border-bottom: none; }\n    .z404 table td { padding: 0; }\n    .z404 table td:first-child { width: auto; color: #555; font-size: 13px; margin-bottom: 2px; padding-right: 0; }\n    .z404 table td:last-child { font-weight: 600; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"z404\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eZipp 404 S\u003c\/strong\u003e was built from a blank sheet with one goal: deliver the fastest road wheel Zipp could engineer at the most accessible price in the lineup. It builds directly on the groundwork of the 303 S, then beats it in every way that matters on pavement — aerodynamics, hub performance, looks, and price.\u003c\/p\u003e\n\u003cp\u003eWith the 404 S joining the family, Zipp's S Collection now covers road (404 S), gravel (303 XPLR S), and XC (1ZERO HITOP S) — all best-in-class at their price. This is the road one.\u003c\/p\u003e\n\u003ch4\u003eUnrivaled Aero\u003c\/h4\u003e\n\u003cp\u003eAt \u003cstrong\u003e50mm deep\u003c\/strong\u003e, the 404 S runs a mid-depth rim profile borrowed from Zipp's WorldTour-proven Firecrest design — premium-level aerodynamics that stay shallow enough to keep you composed in crosswinds. It saves around \u003cstrong\u003e2 watts\u003c\/strong\u003e over the 303 S, and shows similar savings against competitor wheels that cost well over twice as much. Pro-tier speed, S-Collection sticker.\u003c\/p\u003e\n\u003ch4\u003eEngage Instantly\u003c\/h4\u003e\n\u003cp\u003ePower gets to the road through the proven \u003cstrong\u003eZipp 76\/176 hubset\u003c\/strong\u003e with \u003cstrong\u003e36 points of engagement\u003c\/strong\u003e — quick, confident pickup every time you stomp on it. Laced 20-hole front and 24-hole rear in a 2-cross pattern with \u003cstrong\u003eSapim CX-Sprint\u003c\/strong\u003e spokes on sealed cartridge bearings, the whole set tips the scales at just \u003cstrong\u003e1585 grams\u003c\/strong\u003e (valves and tubeless tape included).\u003c\/p\u003e\n\u003ch4\u003eWide Bed, Low Pressure, More Speed\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003e23mm internal width\u003c\/strong\u003e TSS (hookless) rim is designed around modern road rubber, taking \u003cstrong\u003e28–39mm tires\u003c\/strong\u003e and letting you run them at lower pressures for less rolling resistance and more control on whatever the road throws at you. Set up tubeless or run tubes with a hookless-compatible tire — your call.\u003c\/p\u003e\n\u003ch4\u003eYour Wheels, Your Look\u003c\/h4\u003e\n\u003cp\u003ePick your aesthetic: \u003cstrong\u003eWhite decals\u003c\/strong\u003e — the same finish found on Zipp's pro-team wheels — or understated \u003cstrong\u003eDark Grey\u003c\/strong\u003e for a cleaner, classic profile. Decals are applied, not painted, and can be removed if you want to go stealth. \u003cstrong\u003eDEFAULT COLOR IS DARK GREY\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003eBacked for Life\u003c\/h4\u003e\n\u003cp\u003eLike every Zipp wheel, the 404 S carries an industry-leading \u003cstrong\u003eLifetime Warranty and Crash Replacement\u003c\/strong\u003e policy. Ride it hard, ride it confident — Zipp's rider support has your back.\u003c\/p\u003e\n\u003chr class=\"section-divider\"\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 160px;\"\u003e \u003ccol\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Depth\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Material\u003c\/td\u003e\n\u003ctd\u003eCarbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Width\u003c\/td\u003e\n\u003ctd\u003e23mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Width\u003c\/td\u003e\n\u003ctd\u003e29mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Type\u003c\/td\u003e\n\u003ctd\u003eTSS (Hookless) Tubeless — ISO compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHubset\u003c\/td\u003e\n\u003ctd\u003eZipp 76\/176, Center Lock disc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngagement\u003c\/td\u003e\n\u003ctd\u003e36 points (10°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Body\u003c\/td\u003e\n\u003ctd\u003eSRAM XDR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearings\u003c\/td\u003e\n\u003ctd\u003eSealed cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpokes\u003c\/td\u003e\n\u003ctd\u003eSapim CX-Sprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLacing\u003c\/td\u003e\n\u003ctd\u003e20H front \/ 24H rear, 2-cross\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxles\u003c\/td\u003e\n\u003ctd\u003e12x100mm front \/ 12x142mm rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Compatibility\u003c\/td\u003e\n\u003ctd\u003e28–39mm, hookless \/ TSS only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Tire Pressure\u003c\/td\u003e\n\u003ctd\u003eUp to 73 psi \/ 5.0 bar (tire-width dependent — see below)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax System Weight\u003c\/td\u003e\n\u003ctd\u003e253 lb \/ 115 kg (bike + rider + gear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1585g per set (incl. valves \u0026amp; tape)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Tape\u003c\/td\u003e\n\u003ctd\u003e26mm tubeless tape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLifetime Warranty + Crash Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold As\u003c\/td\u003e\n\u003ctd\u003eWheelset (front + rear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eMax Tire Pressure by Width\u003c\/h4\u003e\n\u003ctable class=\"pressure-table\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 160px;\"\u003e \u003ccol\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e28–29mm\u003c\/td\u003e\n\u003ctd\u003e72 psi \/ 5.0 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30–34mm\u003c\/td\u003e\n\u003ctd\u003e65 psi \/ 4.5 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35–39mm\u003c\/td\u003e\n\u003ctd\u003e58 psi \/ 4.0 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCompatibility \u0026amp; Fitment\u003c\/h4\u003e\n\u003cp\u003eThis is the \u003cstrong\u003eSRAM XDR\u003c\/strong\u003e build — it requires an XDR-compatible cassette (SRAM 12-speed road \/ XPLR). It is \u003cstrong\u003enot\u003c\/strong\u003e compatible with 10\/11-speed SRAM\/Shimano road cassettes. The 404 S is a hookless (TSS) wheel and \u003cstrong\u003emust\u003c\/strong\u003e be paired with a hookless-compatible tire. Built for road and all-road riding — \u003cstrong\u003enot intended for gravel\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"note\"\u003eDialing in your setup? Reference the Zipp Tire Compatibility Chart and Tire Pressure Guide before your first ride. \u003ca href=\"https:\/\/axs.sram.com\/guides\/tire\/pressure\" target=\"_blank\" rel=\"noopener\"\u003eFull specs \u0026amp; resources here.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"State Bicycle Co.","offers":[{"title":"Estimated Shipping Late-July","offer_id":43993391759447,"sku":"751503805851","price":1400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0232\/3305\/files\/Zipp404SCarbonTubelessDiscWheelset_50mm_XDR_-6.png?v=1782764312","url":"https:\/\/www.statebicycle.com\/products\/zipp-404-s-carbon-tubeless-disc-wheelset-50mm-xdr","provider":"State Bicycle Co.","version":"1.0","type":"link"}