{"product_id":"dla-velosipeda-zvezda-shimano-mf-tz21-7-stupenchataya","title":"Shimano Bicycle Freewheel (7-speed, MF-TZ21)","description":"High-quality Shimano MF-TZ21 seven-speed freewheel, rear gear cassette for sports bicycles\u003ch2\u003eShimano Tourney MF-TZ21 Bicycle Freewheel (7-speed, 14–28T, threaded)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe original Shimano Tourney MF-TZ21 7-speed bicycle freewheel\u003c\/strong\u003e is designed for installation on the rear hub of mountain (MTB), city, folding, and youth bicycles. The component screws onto the hub thread and combines a block of 7 driven sprockets with an internal ratcheting freewheel mechanism. Thanks to Shimano Tourney's proprietary tooth profiling technology, it provides crisp, quiet, and smooth gear shifting.\u003c\/p\u003e\n\n\u003ch3\u003eKey Advantages and Features:\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e100% Original Shimano:\u003c\/strong\u003e Guarantees long service life, precise tolerances, and stable operation of the ratcheting mechanism.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSmooth Shifting Technology:\u003c\/strong\u003e Special tooth shaping and guide ramps facilitate chain transition from sprocket to sprocket under load.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePopular Gear Range (14–28T):\u003c\/strong\u003e Optimal gear set for comfortable uphill pedaling and confident acceleration on flat roads.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProtective Anti-Corrosion Coating:\u003c\/strong\u003e Combined finish (black large sprocket + bronze main sprockets) protects the metal from rust and wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility with Bicycles and Drivetrains:\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBicycle Types:\u003c\/strong\u003e Mountain, city, road, and folding bicycles with a 7-speed (or 21-speed 3x7) drivetrain.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHub Type:\u003c\/strong\u003e Rear hub with classic right-hand thread.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompatible Chains:\u003c\/strong\u003e Standard 6-7-8 speed chains (Shimano HG40, KMC Z7, CN-HG71).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n    \u003cthead\u003e\n        \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n            \u003cth style=\"border: 1px solid #dddddd; text-align: left; padding: 8px;\"\u003eParameter\u003c\/th\u003e\n            \u003cth style=\"border: 1px solid #dddddd; text-align: left; padding: 8px;\"\u003eValue \/ Specification\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eBrand \/ Series\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eShimano \/ Tourney\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eModel (OEM)\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eMF-TZ21 (MF-TZ500-7 equivalent)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003ePart Type\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eRear Threaded Freewheel (Multiple Freewheel)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eNumber of Speeds\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e7 speeds\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eGear Combination\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003e14 - 16 - 18 - 20 - 22 - 24 - 28T\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eMounting Type\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eThreaded fitment on rear hub\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #dddddd; padding: 8px; font-weight: bold;\"\u003eMaterial\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #dddddd; padding: 8px;\"\u003eHardened steel\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes:\u003c\/h3\u003e\n\u003col\u003e\n    \u003cli\u003eShimano Tourney MF-TZ21 Freewheel — 1 pc.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Dostavka","offers":[{"title":"Default Title","offer_id":41404249211057,"sku":"11547","price":813.54,"currency_code":"UAH","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0538\/8517\/3937\/products\/AZweJWNSedPDf5qHA.jpg?v=1644934846","url":"https:\/\/usefulrare.com\/products\/shimano-bicycle-freewheel-7-speed-mf-tz21","provider":"Dostavka","version":"1.0","type":"link"}