{"product_id":"shimano-ultegra-fc-r8100-12-speed-chainring-chainrings-cnrg1693","title":"Shimano Ultegra FC-R8100 12-Speed 52t Asymmetric Aluminum Chainring | Lightweight, Durable, Carbon Fiber Reinforced, High Rigidity for Road Cycling, Black","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eExperience unmatched performance and precision with the Shimano Ultegra FC-R8100 12-Speed Chainring - the ultimate upgrade for serious road cyclists. Designed with high-quality aluminum and advanced engineering, this 52-tooth asymmetrical chainring offers exceptional durability, lightweight construction, and superior power transfer for competitive cycling and endurance rides.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Construction: Crafted from durable anodized aluminum reinforced with carbon fiber, the Shimano Ultegra FC-R8100 chainring delivers a perfect balance of strength and weight savings. Its corrosion-resistant finish ensures longevity, even under demanding riding conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering: Featuring Shimano's innovative Hollowglide technology, this chainring provides increased rigidity and reduced weight-resulting in enhanced responsiveness and efficient power delivery. Its asymmetric 110 BCD design optimizes gear compatibility and ensures smooth, precise front shifting across the 12-speed drivetrain.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eComponents \u0026amp; Technology: Fully compatible with HG 12-speed chains and Shimano FC-R8100 and FC-8100-P cranksets, this chainring is engineered for seamless integration within high-performance cycling setups. The 52t outer ring pairs perfectly with a 36t inner chainring, offering versatile gearing options for various terrains.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eStyle \u0026amp; Use Case: The sleek black finish not only complements your cycling aesthetics but also ensures resilience to road grime and weather. Ideal for road racers and dedicated enthusiasts seeking quick, accurate shifts and robust construction for intense cycling sessions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eInnovative Features: The asymmetric design and advanced materials highlight Shimano's commitment to cutting-edge technology, delivering a lightweight yet stiff chainring that enhances your ride's efficiency and responsiveness.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eUpgrade to the Shimano Ultegra FC-R8100 12-Speed Chainring and experience the perfect blend of innovation, durability, and performance. Whether you're chasing KOMs or enjoying long-distance rides, this chainring is your key to faster, more reliable shifting-and a smoother cycling experience.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eHigh-grade aluminum construction with anodized finish and carbon fiber reinforced plastic for unbeatable durability, lightweight performance, and corrosion resistance. \u003c\/li\u003e\n\u003cli\u003eUtilizes Shimano's Hollowglide technology for increased rigidity, reduced weight, and enhanced power transfer to maximize efficiency on the road. \u003c\/li\u003e\n\u003cli\u003eDesigned for 12-speed Shimano Ultegra cranksets with asymmetric 110 BCD bolt circle diameter, ensuring precise fit and optimal performance with HG 12-speed chains. \u003c\/li\u003e\n\u003cli\u003eFeaturing a 52-tooth outer chainring ideal for high-speed riding and climbing, compatible with 36-tooth inner chainrings for versatile gearing options in road cycling. \u003c\/li\u003e\n\u003cli\u003eSleek black style with a functional asymmetrical design, perfect for competitive racing, endurance riding, or serious training, offering quick, accurate front shifting under intense conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":42204501737539,"sku":"CNRG1693","price":134.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CR5040.jpg?v=1773436036","url":"https:\/\/365cycles.com\/products\/shimano-ultegra-fc-r8100-12-speed-chainring-chainrings-cnrg1693","provider":"365 Cycles","version":"1.0","type":"link"}