{"product_id":"shimano-grx-fc-rx820-2-chainring-chainrings-cnrg2715","title":"Shimano GRX RX820-2 31T Inner Chainring for 2x12-Speed Road \u0026 Gravel Bikes | Lightweight Aluminum, Hard Anodized Durability, 80 BCD, Black","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your gravel, cyclocross, or adventure bike with the Shimano GRX FC-RX820-2 Chainring - a precision-engineered, high-performance component designed for demanding off-road rides. Crafted from lightweight anodized aluminum, this 31-tooth inner chainring offers outstanding durability, corrosion resistance, and a sleek black finish that complements your rig's aesthetic.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eEngineered for 2x12-speed Shimano GRX cranksets, the FC-RX820-2 chainring features a rugged 80 BCD (Bolt Circle Diameter) with a 4-bolt asymmetric mounting pattern, ensuring secure attachment and optimal power transfer. Its round profile enhances chain stability and smooth shifting, making it ideal for challenging terrains and fast-paced gravel racing.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eDesigned for versatility and performance, this inner ring works seamlessly with a compatible 48t outer chainring (sold separately), providing a perfect gear range for climbing steep grades or sprinting on flats. The use of advanced materials and precise manufacturing technology results in a lightweight weight of just 40 grams, reducing rotational mass for effortless acceleration and responsiveness.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eWhether you're building a new gravel bike or upgrading your existing setup, the Shimano GRX FC-RX820-2 31t Chainring delivers durability, reliability, and style - making it an essential component for any serious off-road cyclist looking to optimize their drivetrain efficiency and gear options. Elevate your riding experience with this innovative, high-performance chainring designed to meet the demands of modern gravel, cyclocross, and adventure cycling.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eLightweight 31t inner chainring crafted from durable anodized aluminum for optimal power transfer and longevity in demanding cycling conditions. \u003c\/li\u003e\n\u003cli\u003eDesigned specifically for Shimano GRX FC-RX820-2 2x 12-speed cranksets with a precise 80 BCD bolt pattern, ensuring seamless compatibility and efficient shifting. \u003c\/li\u003e\n\u003cli\u003eFeatures a hard anodized finish that enhances corrosion resistance and overall durability, making it ideal for gravel, adventure, and off-road cycling adventures. \u003c\/li\u003e\n\u003cli\u003eOptimized for use with a 48t outer chainring (sold separately), providing versatile gear options for climbing, sprinting, and sustained rides across varied terrain. \u003c\/li\u003e\n\u003cli\u003eStylish black finish with a 4-bolt asymmetric mounting design, combining performance and aesthetics to complement any gravel or cyclocross setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":42874979385411,"sku":"CNRG2715","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CR1503.jpg?v=1773577869","url":"https:\/\/365cycles.com\/products\/shimano-grx-fc-rx820-2-chainring-chainrings-cnrg2715","provider":"365 Cycles","version":"1.0","type":"link"}