{"product_id":"shimano-dura-ace-fc-r9100-11-speed-inner-chainring-42t-mx-for-55t-54-42t-cranksets","title":"Shimano Dura-Ace FC-R9100 11-Speed Inner Chainring 42T-MX for 55T \u0026 54\/42T Cranksets","description":"\u003cp\u003eThe Shimano Dura-Ace FC-R9100 11 speed inner chainring 42T-MX is engineered for cyclists who demand precision and durability. Designed to seamlessly integrate with 55T and 54\/42T cranksets, this chainring ensures smooth and efficient power transfer. Crafted with Shimano’s renowned technology, it offers an optimal balance of lightweight construction and exceptional rigidity, making it an ideal choice for high-performance road cycling.\u003c\/p\u003e\n\n\u003cp\u003eEach tooth on this chainring is specifically developed to work exclusively with 11-speed chains, enhancing contact and improving shifting accuracy even under high load conditions. As a genuine Shimano replacement component, it guarantees perfect compatibility and reliability for your FC-R9100 or FC-R9100-P cranksets, providing you with consistent performance ride after ride.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacing worn or damaged chainrings to restore drivetrain efficiency\u003c\/li\u003e\n  \u003cli\u003eDelivering precise and reliable shifting under heavy pedaling loads\u003c\/li\u003e\n  \u003cli\u003eOptimizing power transfer thanks to its rigid yet lightweight design\u003c\/li\u003e\n  \u003cli\u003eEnsuring compatibility with Shimano 11-speed chains for smooth operation\u003c\/li\u003e\n  \u003cli\u003eMaintaining high-performance standards on road cycling setups\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 chains or drivetrains not designed for 11-speed compatibility\u003c\/li\u003e\n  \u003cli\u003eApplications outside of Shimano FC-R9100 and FC-R9100-P cranksets\u003c\/li\u003e\n  \u003cli\u003eCasual or recreational cycling where high-performance components are unnecessary\u003c\/li\u003e\n  \u003cli\u003eMountain biking or off-road conditions that require different chainring specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this chainring compatible with all Shimano cranksets?\u003c\/strong\u003e\u003cbr\u003eThis chainring is specifically designed for the FC-R9100 and FC-R9100-P cranksets and may not be compatible with other models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this chainring with a non-Shimano 11-speed chain?\u003c\/strong\u003e\u003cbr\u003eFor optimal performance and shifting precision, it is recommended to use Shimano HG 11-speed chains with this chainring.\u003c\/p\u003e","brand":"Shimano Dura-Ace","offers":[{"title":"Default Title","offer_id":45478494994607,"sku":"Y1VP42000","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1490258780-70105000.jpg?v=1768521955","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-dura-ace-fc-r9100-11-speed-inner-chainring-42t-mx-for-55t-54-42t-cranksets","provider":"Swinnerton Cycles","version":"1.0","type":"link"}