{"product_id":"shimano-ultegra-fc-r8100-12-speed-chainring-34t","title":"Shimano Ultegra FC-R8100 12-Speed Chainring 34T","description":"\u003cp data-start=\"166\" data-end=\"467\"\u003eKeep your drivetrain running at peak performance with genuine Shimano Ultegra FC-R8100 chainrings. Designed for Shimano’s latest 12-speed road groupset, these chainrings deliver precise front shifting, excellent stiffness, and efficient power transfer—whether you're riding hard on the road or racing.\u003c\/p\u003e\n\u003cp data-start=\"469\" data-end=\"658\"\u003eFeaturing Shimano’s HOLLOWGLIDE technology on the outer rings, construction is optimised to reduce flex while keeping weight low. The result is noticeably sharper shifting, even under load.\u003c\/p\u003e\n\u003cp data-start=\"660\" data-end=\"677\"\u003e\u003cstrong data-start=\"660\" data-end=\"677\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"678\" data-end=\"1061\"\u003e\n\u003cli data-section-id=\"1c28qze\" data-start=\"678\" data-end=\"756\"\u003e\n\u003cp data-start=\"680\" data-end=\"756\"\u003eGenuine Shimano replacement chainrings for FC-R8100 \u0026amp; FC-R8100-P cranksets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cr79ge\" data-start=\"757\" data-end=\"844\"\u003e\n\u003cp data-start=\"759\" data-end=\"844\"\u003eHOLLOWGLIDE outer chainring construction for increased stiffness and reduced weight\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"150v5nt\" data-start=\"845\" data-end=\"914\"\u003e\n\u003cp data-start=\"847\" data-end=\"914\"\u003eImproved rigidity eliminates flex for more precise front shifting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1todvk8\" data-start=\"915\" data-end=\"995\"\u003e\n\u003cp data-start=\"917\" data-end=\"995\"\u003eOptimised tooth profile designed specifically for Shimano 12-speed HG chains\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vl5aui\" data-start=\"996\" data-end=\"1061\"\u003e\n\u003cp data-start=\"998\" data-end=\"1061\"\u003eSmooth, efficient power transfer across all riding conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1063\" data-end=\"1091\"\u003e\u003cstrong data-start=\"1063\" data-end=\"1091\"\u003eOptions \u0026amp; Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1092\" data-end=\"1290\"\u003e\n\u003cli data-section-id=\"1rainia\" data-start=\"1092\" data-end=\"1134\"\u003e\n\u003cp data-start=\"1094\" data-end=\"1134\"\u003e52T Outer (52\/36) – Part No: Y0NG98020\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"twdopv\" data-start=\"1135\" data-end=\"1177\"\u003e\n\u003cp data-start=\"1137\" data-end=\"1177\"\u003e50T Outer (50\/34) – Part No: Y0NG98010\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3o3kn2\" data-start=\"1178\" data-end=\"1220\"\u003e\n\u003cp data-start=\"1180\" data-end=\"1220\"\u003e46T Outer (46\/36) – Part No: Y0MZ98110\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jsjdcd\" data-start=\"1221\" data-end=\"1255\"\u003e\n\u003cp data-start=\"1223\" data-end=\"1255\"\u003e36T Inner – Part No: Y0NG36000\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10aptsd\" data-start=\"1256\" data-end=\"1290\"\u003e\n\u003cp data-start=\"1258\" data-end=\"1290\"\u003e34T Inner – Part No: Y0NG34000\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1292\" data-end=\"1311\"\u003e\u003cstrong data-start=\"1292\" data-end=\"1311\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1312\" data-end=\"1490\"\u003e\n\u003cli data-section-id=\"wk9tvg\" data-start=\"1312\" data-end=\"1331\"\u003e\n\u003cp data-start=\"1314\" data-end=\"1331\"\u003eSpeed: 12-speed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"a19d4r\" data-start=\"1332\" data-end=\"1377\"\u003e\n\u003cp data-start=\"1334\" data-end=\"1377\"\u003eCompatibility: Shimano HG 12-speed chains\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bhed42\" data-start=\"1378\" data-end=\"1409\"\u003e\n\u003cp data-start=\"1380\" data-end=\"1409\"\u003eBolt Circle Diameter: 110mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1kqhiuw\" data-start=\"1410\" data-end=\"1426\"\u003e\n\u003cp data-start=\"1412\" data-end=\"1426\"\u003eMount: 4-arm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sc852g\" data-start=\"1427\" data-end=\"1472\"\u003e\n\u003cp data-start=\"1429\" data-end=\"1472\"\u003eDiscipline: Road \/ Time Trial \/ Triathlon\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1dwdh19\" data-start=\"1473\" data-end=\"1490\"\u003e\n\u003cp data-start=\"1475\" data-end=\"1490\"\u003eColour: Black\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"34 Tooth","offer_id":57628280750467,"sku":"YONG34000","price":11.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2617\/6108\/files\/y0ng34000.jpg?v=1773853598","url":"https:\/\/fifecycles.co.uk\/products\/shimano-ultegra-fc-r8100-12-speed-chainring-34t","provider":"Fife Cycle Centre","version":"1.0","type":"link"}