{"product_id":"shimano-dura-ace-fc-r9100-inner-chainring","title":"Shimano Dura-Ace FC-R9100 Inner Chainring","description":"\u003ch3\u003e\u003cspan\u003eOverview\u003c\/span\u003e\u003c\/h3\u003e\u003cp\u003eInner chainring for the Shimano Dura-Ace FC-R9100 crankset — the 11-speed generation of Shimano's top-tier road groupset, the same parts the WorldTour peloton ran through the R9100 era. This is the smaller of the two rings, the one your chain lives on when the road tilts up; the matching R9100 outer ring and the newer 12-speed R9200 ring are separate parts. Sold as the specific tooth-count variant matching your crankset configuration; not a complete crankset.\u003c\/p\u003e\u003ch3\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e\u003cbr\u003edrivetrain-service rebuild on an FC-R9100 crankset\u003cbr\u003einner-ring teeth worn below shift-spec — the symptom is rough under-load shifts\u003cbr\u003echanging inner tooth-count to match terrain\u003cbr\u003ekeeping a race bike in spec ahead of a key block\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003cbr\u003eShimano HG tooth profile for 11-speed drivetrains\u003cbr\u003eInner position on the 4-arm R9100 spider\u003cbr\u003ePairs with the FC-R9100 outer ring only\u003cbr\u003eTooth count selectable at checkout\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConfiguration:\u003c\/strong\u003e\u003cbr\u003eStyle \u0026amp; Size: 34T · 36T · 42T\u003c\/p\u003e\u003ch3\u003e\u003cspan\u003eInstallation \u0026amp; Care\u003c\/span\u003e\u003c\/h3\u003e\u003cp\u003eInstall to factory torque spec; replace chainring bolts if stripped or corroded. Clean and lubricate the chain at the same time — the lifespan of a new chainring is determined more by chain-wear discipline than by how much you ride.\u003c\/p\u003e\u003ch3\u003e\u003cspan\u003eBundle \u0026amp; Save \u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eBuild a bundle and save up to 15% off.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.enroute.cc\/bundles\"\u003eShop Bundle Builder\u003c\/a\u003e\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"34T","offer_id":35623513817245,"sku":"Y1VP34000","price":42.0,"currency_code":"AUD","in_stock":false},{"title":"36T","offer_id":35623513882781,"sku":"Y1VP36000","price":42.0,"currency_code":"AUD","in_stock":true},{"title":"42T","offer_id":46515429867768,"sku":"","price":54.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/6373\/4429\/files\/ShimanoDura-AceFC-R9100InnerChainring_0377b3b7-934d-411a-9b8e-7fd80781490e.png?v=1775604899","url":"https:\/\/checkout.enroute.cc\/en-au\/products\/shimano-dura-ace-fc-r9100-inner-chainring","provider":"enroute.cc","version":"1.0","type":"link"}