{"product_id":"shimano-fc-6800-ultegra-11-speed-bicycle-chainrings","title":"SHIMANO FC-6800 Ultegra 11 Speed Bicycle Chainrings","description":"\u003ch1\u003e\u003cstrong\u003eSHIMANO FC-6800 Ultegra 11 Speed Bicycle Chainrings\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eUpgrade your Ultegra FC‑R8000 crankset with a high‑rigidity chainring engineered for powerful pedaling efficiency and exceptionally smooth front shifting.\u003c\/p\u003e\n\u003ch3\u003eBest for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoad cyclists running a 39\/53T standard chainring setup\u003c\/li\u003e\n\u003cli\u003eRiders seeking precise, fast front shifting on an 11‑speed drivetrain\u003c\/li\u003e\n\u003cli\u003eMaintaining or optimizing Shimano Ultegra R8000 performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNot ideal for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompact cranksets (34\/50T)\u003c\/li\u003e\n\u003cli\u003eNon‑Shimano 110 mm BCD crank arms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat this product does\u003c\/h3\u003e\n\u003cp\u003eThis chainring replaces the 39T inner ring on a Shimano Ultegra FC‑R8000 crankset, using Hollowglide technology to reduce weight, increase stiffness, and deliver quicker, more precise front shifting under load.\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShimano Ultegra FC‑R8000 (11‑speed)\u003c\/li\u003e\n\u003cli\u003eStandard 39\/53T chainring configurations\u003c\/li\u003e\n\u003cli\u003e110 mm BCD, 4‑bolt Shimano asymmetric pattern\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHollowglide hollow‑core structure cuts weight while boosting rigidity\u003c\/li\u003e\n\u003cli\u003eImproved power transfer for more efficient pedaling\u003c\/li\u003e\n\u003cli\u003eFaster, smoother front shifting thanks to optimized tooth profiling\u003c\/li\u003e\n\u003cli\u003eLightweight 4‑bolt design enhances drivetrain stiffness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTeeth: 39T\u003c\/li\u003e\n\u003cli\u003eSpeed: 11‑Speed\u003c\/li\u003e\n\u003cli\u003eBCD: 110 mm\u003c\/li\u003e\n\u003cli\u003eBolt Pattern: 4‑Bolt (Shimano asymmetric)\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eColor: Silver\/Black (Ultegra finish)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SHIMANO","offers":[{"title":"Black \/ 110mm x 39T Type MD","offer_id":43163106377776,"sku":"Y1P439000","price":12.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0272\/9394\/1808\/files\/2976395.jpg?v=1780072340","url":"https:\/\/movatik.com\/products\/shimano-fc-6800-ultegra-11-speed-bicycle-chainrings","provider":"Movatik","version":"1.0","type":"link"}