{"product_id":"shimano-ultegra-cs-r8101-12-speed-cassette","title":"Shimano Ultegra CS-R8101 12-Speed Cassette","description":"\u003cp\u003e\u003cstrong\u003eSpecial order.\u003c\/strong\u003e Contact Mad Duck Cyclery for supplier availability and estimated delivery.\u003c\/p\u003e\u003cp\u003eHYPERGLIDE+ road cassette for smooth Shimano 12-speed shifting. Choose 11-30T or 11-34T. Compatible with Shimano road 11-speed HG and 12-speed road freehub bodies. Match the cassette range to your rear derailleur capacity.\u003c\/p\u003e\u003cp\u003eManufacturer images are representative; selected size, side, or gearing may differ visually.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/productinfo.shimano.com\/en\/product\/CS-R8101-12\"\u003eShimano specifications\u003c\/a\u003e\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"11-30T","offer_id":46202465943635,"sku":"ICSR810112130","price":130.0,"currency_code":"USD","in_stock":true},{"title":"11-34T","offer_id":46202465976403,"sku":"ICSR810112134","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/5691\/9379\/files\/shimano-cs-r8101-main.jpg?v=1788952661","url":"https:\/\/madducksports.com\/products\/shimano-ultegra-cs-r8101-12-speed-cassette","provider":"Mad Duck Cyclery","version":"1.0","type":"link"}