{"product_id":"shimano-dura-ace-mf-7400-freewheel-6-speed-14-24t-nos-nib","title":"Shimano Dura-Ace MF-7400 Freewheel 6-Speed 14-24T NOS NIB","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Shimano Dura-Ace MF-7400 multiple freewheel marked a revolutionary leap in drivetrain history, delivering the surgical precision of the newly introduced Shimano Index System (SIS) to traditional threaded hub wheelsets. Engineered with Shimano's twisted Uniglide (UG) tooth profiles and a sealed internal ratchet mechanism, it provides whisper-quiet engagement and effortless shifting under load.\u003c\/p\u003e\n\u003cp\u003eThis authentic 6-speed freewheel is preserved in museum-grade NOS (New Old Stock) \/ NIB (New in Box) condition. It remains factory-sealed in its original protective plastic wrapping inside the authentic silver Dura-Ace packaging, complete with matching factory end label and original printed service instructions. Featuring the classic, beautifully spaced 14-24T ratio (14-16-18-20-22-24T), this is the definitive period-correct drivetrain component for mid-1980s racing builds and collectors seeking untouched Japanese mechanical perfection.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand \u0026amp; Model:\u003c\/strong\u003e Shimano New Dura-Ace Multiple Freewheel (Model MF-7400)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShimano Part No.:\u003c\/strong\u003e 2-12961030\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeeds:\u003c\/strong\u003e 6-Speed (SIS index compatible \u0026amp; friction)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGearing \/ Ratio:\u003c\/strong\u003e 14-24T (14-16-18-20-22-24T)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTooth Profile:\u003c\/strong\u003e New Uniglide (UG) contouring for rapid chain pickup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMechanism:\u003c\/strong\u003e Sealed internal mechanism with high-precision pawls\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThreading:\u003c\/strong\u003e Standard ISO \/ English thread (1.375\" x 24 TPI)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCompatibility \u0026amp; Inclusions\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits all standard vintage threaded rear hubs (English\/ISO 1.37\" x 24 TPI, compatible with Campagnolo, Shimano, Mavic, etc.). Designed to operate with 6-speed SIS rear derailleurs (e.g., RD-7400) or classic friction setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e Complete 6-speed freewheel sealed in factory plastic, original Shimano service instruction manual, and original silver Dura-Ace box with matching label.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Condition:\u003c\/strong\u003e NOS \/ NIB (New Old Stock \/ New in Box) – Factory Sealed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetails:\u003c\/strong\u003e Brand new, untouched, and never mounted to a hub. The freewheel is still sealed in its original factory poly wrapping with original factory protective grease. The teeth show immaculate, unblemished factory finish. The vintage outer box is in exceptional condition with crisp typography and authentic minor shelf wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003ePackaging \u0026amp; Worldwide Shipping\u003c\/h3\u003e\n\u003cp\u003eShips fully insured worldwide from Munich via DHL with end-to-end tracking. Every component and its historic collector box are protected in heavy-duty outer boxing to ensure pristine arrival.\u003c\/p\u003e\n\u003cp\u003eLearn more about our packing standards on our \u003ca href=\"\/fr\/pages\/packaging-shipping-standards\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ePackaging \u0026amp; Shipping Standards\u003c\/a\u003e page.\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":61060843438414,"sku":null,"price":165.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/3186\/8750\/files\/DSC_0020_9a68d876-2d5f-4956-b809-3687a9301ecf.jpg?v=1791131230","url":"https:\/\/realsteelbikes.com\/fr\/products\/shimano-dura-ace-mf-7400-freewheel-6-speed-14-24t-nos-nib","provider":"Real Steel Bikes","version":"1.0","type":"link"}