{"product_id":"seat-tube-reducer-sleeve-for-bicycle-use-aluminum-alloy-multiple-sizes","title":"Seat Tube Reducer Sleeve For Bicycle Use Aluminum Alloy Multiple Sizes","description":"\u003cdiv\u003e\n\u003cp\u003eThese seat tube reducer sleeves are aluminum alloy adapters that convert larger seat-tube diameters to standard seat posts. They are lightweight, corrosion-resistant, and easy to install.\u003c\/p\u003e \u003cp\u003eUse them when upgrading components or adapting a new post to an older frame. They help keep alignment and reduce movement at the junction.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e aluminum alloy—lightweight and corrosion resistant.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e eight conversion options (27.2→25.4, 28.6→25.4, 28.6→27.2, 30.4→27.2, 30.8→27.2, 31.6→27.2, 33.9→27.2, 33.9→31.6 mm).\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e about 6 cm per sleeve.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWeight (per piece):\u003c\/strong\u003e ranges from ~11 g to ~69 g depending on size.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e simple slip-on use; no tools required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackage contents:\u003c\/strong\u003e 2 sleeves included.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e sleeve length ≈ 6 cm; material aluminum alloy; compatible diameters listed above; contains 2 sleeves.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFit:\u003c\/strong\u003e suitable for seat tubes and posts matching the listed diameters; verify measurements before installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Syndmart","offers":[{"title":"27.2mm To 25.4mm","offer_id":47333092884698,"sku":"TBD0602307801","price":20.78,"currency_code":"USD","in_stock":true},{"title":"28.6mm To 25.4mm","offer_id":47333092917466,"sku":"TBD0602307802","price":20.78,"currency_code":"USD","in_stock":true},{"title":"28.6mm To 27.2mm","offer_id":47333092950234,"sku":"TBD0602307803","price":20.78,"currency_code":"USD","in_stock":true},{"title":"30.4mm To 27.2mm","offer_id":47333092983002,"sku":"TBD0602307804","price":20.78,"currency_code":"USD","in_stock":true},{"title":"30.8mm To 27.2mm","offer_id":47333093015770,"sku":"TBD0602307805","price":20.78,"currency_code":"USD","in_stock":true},{"title":"31.6mm To 27.2mm","offer_id":47333093048538,"sku":"TBD0602307806","price":20.78,"currency_code":"USD","in_stock":true},{"title":"33.9mm To 27.2mm","offer_id":47333093081306,"sku":"TBD0602307807","price":20.78,"currency_code":"USD","in_stock":true},{"title":"33.9mm To 31.6mm","offer_id":47333093114074,"sku":"TBD0602307808","price":20.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/7062\/9594\/files\/TBD0602307801.jpg?v=1770288542","url":"https:\/\/syndmart.com\/products\/seat-tube-reducer-sleeve-for-bicycle-use-aluminum-alloy-multiple-sizes","provider":"Syndmart","version":"1.0","type":"link"}