{"product_id":"shimano-dura-ace-cs-r9100-dura-ace-11-speed-cassette-11-28t","title":"Shimano Dura-Ace CS-R9100 11-Speed Cassette 11-28T Hyperglide EV Sprockets","description":"\u003cp\u003eExperience precision and performance with the Shimano Dura-Ace CS-R9100 11-speed cassette. Designed for cyclists who demand the highest level of efficiency and durability, this cassette features a super lightweight build combining carbon, alloy, and titanium materials. The innovative Hyperglide EV sprockets ensure smooth and crisp gear shifts, even under intense load, making every ride seamless and responsive.\u003c\/p\u003e\n\n\u003cp\u003eWith close ratio gearing, this cassette offers finer cadence control, allowing you to maximize power output and maintain optimal efficiency on varied terrains. The combination of titanium sprockets and a rigid carbon-alloy carrier reduces weight without compromising strength, while the nickel-plated finish provides excellent resistance to corrosion, ensuring long-lasting performance.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with Super Narrow 11-speed HG-EV chains, the Shimano Dura-Ace CS-R9100 is the ideal upgrade for those seeking high-end transmission components. Explore more from the \u003ca href=\"\/collections\/shimano-dura-ace\"\u003eShimano Dura-Ace collection\u003c\/a\u003e and enhance your setup with complementary \u003ca href=\"\/collections\/components\"\u003ecomponents\u003c\/a\u003e designed to deliver ultimate cycling performance.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProviding ultra-smooth and reliable shifting even under heavy load\u003c\/li\u003e\n  \u003cli\u003eReducing overall weight to improve acceleration and climbing efficiency\u003c\/li\u003e\n  \u003cli\u003eEnabling precise cadence control through close ratio gearing\u003c\/li\u003e\n  \u003cli\u003eEnhancing durability with corrosion-resistant nickel plating\u003c\/li\u003e\n  \u003cli\u003eCompatibility with high-performance 11-speed HG-EV drivetrains\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with non-HG-EV chain systems or incompatible drivetrains\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty off-road cycling where different gear ratios may be preferred\u003c\/li\u003e\n  \u003cli\u003eCasual riders who do not require high-performance components\u003c\/li\u003e\n  \u003cli\u003eApplications requiring sprockets outside the 11-28T range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this cassette compatible with all 11-speed Shimano drivetrains?\u003c\/strong\u003e\u003cbr\u003eIt is specifically designed for Shimano’s Super Narrow 11-speed HG-EV chains and works best with compatible Dura-Ace and Ultegra 11-speed groupsets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the Hyperglide EV technology improve shifting?\u003c\/strong\u003e\u003cbr\u003eHyperglide EV sprockets feature computer-designed tooth profiles and contoured shift gates that allow for crisp and smooth gear changes, even under heavy pedaling load.\u003c\/p\u003e","brand":"Shimano Dura-Ace","offers":[{"title":"Silver \/ 11 - 28 teeth","offer_id":47380182597807,"sku":"CSR9100128","price":239.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/csr9100125.jpg?v=1787135071","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-dura-ace-cs-r9100-dura-ace-11-speed-cassette-11-28t","provider":"Swinnerton Cycles","version":"1.0","type":"link"}