{"product_id":"shimano-ultegra-cs-r8100-12-speed-cassette","title":"Shimano Ultegra CS-R8100 12 Speed Cassette","description":"\u003cp\u003eThe Shimano Ultegra CS-R8100 is a high-performance 12-speed cassette featuring Hyperglide+ technology. This system allows for seamless shifting under maximum load, letting you maintain cadence during sprints or steep climbs. It is a significant upgrade for Di2 systems, offering faster and quieter gear changes compared to previous generations.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for versatility, the cassette is compatible with both new Shimano 12-speed and existing 11-speed road freehub bodies. The 11-30T and 11-34T ranges use a mix of steel cogs and aluminum spiders to balance weight and durability. At 291g (11-30T), it provides a lightweight, racing-ready drivetrain solution for any road terrain.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuick Facts\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f2f2f2; text-align: left;\"\u003e\n      \u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n      \u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e12-Speed\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTechnology\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eHyperglide+ (Shifting under load)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eFreehub Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eShimano HG 11 \u0026amp; 12-Speed Road\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e291g (11-30T) \/ 345g (11-34T)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMaterials\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eSteel Cogs \/ Aluminum Spiders\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eChain Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eHG 12-Speed (e.g., CN-M8100)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Shimano","offers":[{"title":"11-30T","offer_id":42951583498303,"sku":"210000100773","price":149.0,"currency_code":"CAD","in_stock":false},{"title":"11-34T","offer_id":42951583531071,"sku":"210000100774","price":149.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0066\/2283\/8853\/files\/shimano-ultegra-cs-r8100-12-speed-cassette-11-30t-parts-cassettes-1226804333.png?v=1773177549","url":"https:\/\/bici.cc\/products\/shimano-ultegra-cs-r8100-12-speed-cassette","provider":"Bici","version":"1.0","type":"link"}