{"product_id":"shimano-chainrings-cnrg1769-cnrg1893","title":"Shimano Dura-Ace FC-R9200 12-Speed Aluminum Chainrings Bundle - 36t \u0026 52t, Asymmetric 110 BCD, Lightweight High-Performance Cycling Components","description":"\u003cdiv id=\"seqbpdescription\"\u003e\u003cp\u003eUltimate Shimano Dura-Ace FC-R9200 12-Speed Chainring Bundle 36t Inner and 52t Outer, Asymmetric 110 BCD, Black Elevate your road cycling performance with this premium Shimano Dura-Ace FC-R9200 12-Speed Chainring Bundle, designed for serious cyclists seeking precision, durability, and optimal power transfer. Crafted from high-quality anodized aluminum, these lightweight, stiff chainrings feature innovative Hollowglide technology to deliver enhanced rigidity while reducing weight, ensuring maximum efficiency on every ride. This bundle includes both the 36-tooth inner chainring and the 52-tooth outer chainring, perfectly engineered to work together seamlessly with Shimano FC-R9200 and FC-9200-P 2x 12-speed cranksets. The asymmetric 110 BCD (Bolt Circle Diameter) design provides an optimized fit for high-performance drivetrain compatibility, enabling smooth, responsive shifting and superior cadence control across varied terrain. Built for durability and engineered with advanced materials, these round chainrings are compatible with HG 12-speed chains, offering reliable engagement and minimal wear. The sleek black anodized finish not only adds a professional aesthetic but also resists corrosion, ensuring long-lasting performance in all cycling conditions. Perfect for enthusiasts and competitive riders aiming for precise front shifting, quick power transfer, and a lightweight setup, this Shimano Dura-Ace chainring bundle is your gateway to maximizing your bikes potential. Whether upgrading your existing system or building a custom race-ready drivetrain, these chainrings provide the high-end features and technological innovations you demand for serious road cycling.\u003c\/p\u003e\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":42518678110275,"sku":"CNRG1769-CNRG1893","price":272.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CNRG1769-CNRG1893.png?v=1773891476","url":"https:\/\/365cycles.com\/products\/shimano-chainrings-cnrg1769-cnrg1893","provider":"365 Cycles","version":"1.0","type":"link"}