{"product_id":"shimano-dura-ace-fc-09-dura-ace-11-speed-outer-chainring-54t-nj-for-5440t","title":"Shimano Dura-Ace FC-09 Dura Ace 11 speed outer chainring, 54T-NJ for 54\/40T","description":"\u003cul\u003e\n\u003cli\u003eThe Shimano Dura Ace FC-09 11 speed chainrings are the perfect replacement for worn or damaged chainrings\u003c\/li\u003e\n\u003cli\u003eHOLLOWGLIDE hollow outer chainring technology, giving vast improvements in rigidity and increased weight savings, whilst also removing outer chainring flex, hugely improving shift performance making it precise even under high load\u003c\/li\u003e\n\u003cli\u003eThe teeth have been developed to work only in conjunction with 11-speed chains for improved contact providing more efficiency and improved power transfer\u003c\/li\u003e\n\u003cli\u003eGenuine Shimano replacement chainrings for the FC-09 service replacement chainset, available in 54T, 52T, 50T, (Outer ring), 40T, 36T, 34T (Inner ring) \u003c\/li\u003e\n\u003cli\u003eShimano part numbers: 54T-NJ - Y0V298090, matches 40T-NJ - Y0MZ40000, 52T-NH - Y0V298080, matches 36T-NH - Y0MZ36000, 50T-NK - Y0V298070, matches 34T - Y0MZ34000\u003c\/li\u003e\n\u003cli\u003eCompatible chain Shimano HG 11-speed\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano Dura-Ace","offers":[{"title":"Default Title","offer_id":58162710053245,"sku":"Y0V298090","price":234.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/8747\/2765\/files\/y0v298090_de9719c9-65bb-4ac9-a176-661b7fd0b0a2.jpg?v=1778670515","url":"https:\/\/www.cyclestore.co.uk\/products\/shimano-dura-ace-fc-09-dura-ace-11-speed-outer-chainring-54t-nj-for-5440t","provider":"Cyclestore","version":"1.0","type":"link"}