{"product_id":"shimano-dura-ace-12-speed-chainring-for-fc-r9200-54-40t","title":"SHIMANO DURA ACE 12-SPEED CHAINRING FOR FC-R9200 54\/40T","description":"\u003ch3\u003eGenuine Shimano Dura Ace replacement chainring set designed for FC-R9200 and FC-R9200-P 12-speed cranksets.\u003c\/h3\u003e\n\u003cp\u003eThis 54\/40T configuration delivers the performance and precision you expect from Dura Ace groupsets. Compatible with Shimano's 12-speed drivetrain systems, these chainrings maintain the exact specifications of your original components for seamless shifting and reliable power transfer. Ideal for cyclists looking to restore their crankset to factory performance or upgrade worn rings. Manufactured to Shimano's exacting standards with durable steel construction. Direct replacement — no modifications needed.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse: \u003c\/strong\u003eRoad\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroup:\u003c\/strong\u003e Dura Ace R9200\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear:\u003c\/strong\u003e 2x12-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for: \u003c\/strong\u003eFC-R9200 \/ FC-R9200-P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt Circle:\u003c\/strong\u003e 110mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear arms: \u003c\/strong\u003e4-arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGradation:\u003c\/strong\u003e Type NJ (for 54-36T)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSize\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e40T\u003c\/li\u003e\n\u003cli\u003e54T\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaterial\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40T:\u003c\/strong\u003e Aluminium Anodized\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e54T: \u003c\/strong\u003eAluminium Anodized \/ CFRP\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eColour\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeries colour\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eContents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Shimano Dura Ace 12-Speed Chainring FC-R9200 Type NJ\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SHIMANO","offers":[{"title":"40T","offer_id":57025730543991,"sku":"Y0MZ40000","price":36.99,"currency_code":"GBP","in_stock":true},{"title":"54T","offer_id":57025730576759,"sku":"Y0MZ98031","price":214.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/2350\/2370\/files\/ShimanoDuraAce12-SpeedChainringFC-R9200TypeNJ.avif?v=1776701159","url":"https:\/\/www.allterraincycles.co.uk\/products\/shimano-dura-ace-12-speed-chainring-for-fc-r9200-54-40t","provider":"allterraincycles","version":"1.0","type":"link"}