{"product_id":"overfast-aero-lightweight-alloy-chainring-set","title":"OVERFAST Aero \u0026 Lightweight Alloy Chainring Set | 50\/34T \u0026 52\/36T | 110x4 BCD","description":"\u003ch1 data-start=\"317\" data-end=\"338\"\u003eProduct Description\u003c\/h1\u003e\n\u003ch2 data-start=\"340\" data-end=\"399\"\u003eAero Efficiency Meets Lightweight Drivetrain Performance\u003c\/h2\u003e\n\u003cp data-start=\"401\" data-end=\"573\"\u003eThe OVERFAST Alloy Chainring Series is engineered for riders seeking the ideal balance of aerodynamic efficiency, lightweight construction, and smooth shifting performance.\u003c\/p\u003e\n\u003cp data-start=\"575\" data-end=\"823\"\u003eDesigned for modern road bikes, aero race builds, and lightweight climbing setups, the OVERFAST chainring lineup includes both \u003cstrong data-start=\"702\" data-end=\"724\"\u003eAero Closed Design\u003c\/strong\u003e and \u003cstrong data-start=\"729\" data-end=\"758\"\u003eLightweight Hollow Design\u003c\/strong\u003e versions to match different riding styles and performance goals.\u003c\/p\u003e\n\u003cp data-start=\"825\" data-end=\"1019\"\u003eManufactured from premium \u003cstrong data-start=\"851\" data-end=\"879\"\u003e7075-T651 aluminum alloy\u003c\/strong\u003e, these precision CNC-machined chainrings deliver excellent stiffness, durability, and crisp front shifting under high-load race conditions.\u003c\/p\u003e\n\u003chr data-start=\"1021\" data-end=\"1024\"\u003e\n\u003ch2 data-start=\"1026\" data-end=\"1047\"\u003eAvailable Versions\u003c\/h2\u003e\n\u003ch3 data-start=\"1049\" data-end=\"1071\"\u003eAero Closed Design\u003c\/h3\u003e\n\u003cp data-start=\"1072\" data-end=\"1161\"\u003eDesigned for improved aerodynamic efficiency and a clean integrated race-bike appearance.\u003c\/p\u003e\n\u003cul data-start=\"1163\" data-end=\"1210\"\u003e\n\u003cli data-start=\"1163\" data-end=\"1186\"\u003e50\/34T Aero Chainring\u003c\/li\u003e\n\u003cli data-start=\"1187\" data-end=\"1210\"\u003e52\/36T Aero Chainring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1212\" data-end=\"1241\"\u003eLightweight Hollow Design\u003c\/h3\u003e\n\u003cp data-start=\"1242\" data-end=\"1299\"\u003eOptimized for reduced weight and responsive acceleration.\u003c\/p\u003e\n\u003cul data-start=\"1301\" data-end=\"1376\"\u003e\n\u003cli data-start=\"1301\" data-end=\"1338\"\u003e50\/34T Hollow Lightweight Chainring\u003c\/li\u003e\n\u003cli data-start=\"1339\" data-end=\"1376\"\u003e52\/36T Hollow Lightweight Chainring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1378\" data-end=\"1381\"\u003e\n\u003ch2 data-start=\"1383\" data-end=\"1398\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1400\" data-end=\"1680\"\u003e\n\u003cli data-start=\"1400\" data-end=\"1447\"\u003eAero and lightweight design options available\u003c\/li\u003e\n\u003cli data-start=\"1448\" data-end=\"1485\"\u003ePrecision CNC-machined construction\u003c\/li\u003e\n\u003cli data-start=\"1486\" data-end=\"1526\"\u003eHigh-strength 7075-T651 aluminum alloy\u003c\/li\u003e\n\u003cli data-start=\"1527\" data-end=\"1563\"\u003eSmooth and reliable front shifting\u003c\/li\u003e\n\u003cli data-start=\"1564\" data-end=\"1601\"\u003eExcellent stiffness-to-weight ratio\u003c\/li\u003e\n\u003cli data-start=\"1602\" data-end=\"1646\"\u003eOptimized for modern road bike drivetrains\u003c\/li\u003e\n\u003cli data-start=\"1647\" data-end=\"1680\"\u003eRace-focused performance design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1682\" data-end=\"1685\"\u003e\n\u003ch2 data-start=\"1687\" data-end=\"1704\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1706\" data-end=\"1818\"\u003e\n\u003cli data-start=\"1706\" data-end=\"1725\"\u003eConfiguration: 2X\u003c\/li\u003e\n\u003cli data-start=\"1726\" data-end=\"1766\"\u003eAvailable Sizes:\n\u003cul data-start=\"1747\" data-end=\"1766\"\u003e\n\u003cli data-start=\"1747\" data-end=\"1755\"\u003e50\/34T\u003c\/li\u003e\n\u003cli data-start=\"1758\" data-end=\"1766\"\u003e52\/36T\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1767\" data-end=\"1781\"\u003eBCD: 110 × 4\u003c\/li\u003e\n\u003cli data-start=\"1782\" data-end=\"1818\"\u003eMaterial: 7075-T651 Aluminum Alloy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1820\" data-end=\"1823\"\u003e\n\u003ch2 data-start=\"1825\" data-end=\"1849\"\u003eAero Version Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1851\" data-end=\"1982\"\u003e\n\u003cli data-start=\"1851\" data-end=\"1881\"\u003eImproved aerodynamic profile\u003c\/li\u003e\n\u003cli data-start=\"1882\" data-end=\"1916\"\u003eClean integrated race appearance\u003c\/li\u003e\n\u003cli data-start=\"1917\" data-end=\"1948\"\u003eOptimized for aero road bikes\u003c\/li\u003e\n\u003cli data-start=\"1949\" data-end=\"1982\"\u003eExcellent high-speed efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1984\" data-end=\"1987\"\u003e\n\u003ch2 data-start=\"1989\" data-end=\"2027\"\u003eLightweight Hollow Version Benefits\u003c\/h2\u003e\n\u003cul data-start=\"2029\" data-end=\"2163\"\u003e\n\u003cli data-start=\"2029\" data-end=\"2064\"\u003eReduced overall drivetrain weight\u003c\/li\u003e\n\u003cli data-start=\"2065\" data-end=\"2095\"\u003eFaster acceleration response\u003c\/li\u003e\n\u003cli data-start=\"2096\" data-end=\"2126\"\u003eClimbing-focused performance\u003c\/li\u003e\n\u003cli data-start=\"2127\" data-end=\"2163\"\u003eLightweight race-bike optimization\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2165\" data-end=\"2168\"\u003e\n\u003ch2 data-start=\"2170\" data-end=\"2185\"\u003eDesigned For\u003c\/h2\u003e\n\u003cp data-start=\"2187\" data-end=\"2199\"\u003ePerfect for:\u003c\/p\u003e\n\u003cul data-start=\"2201\" data-end=\"2313\"\u003e\n\u003cli data-start=\"2201\" data-end=\"2213\"\u003eRoad Bikes\u003c\/li\u003e\n\u003cli data-start=\"2214\" data-end=\"2231\"\u003eAero Road Bikes\u003c\/li\u003e\n\u003cli data-start=\"2232\" data-end=\"2261\"\u003eLightweight Climbing Builds\u003c\/li\u003e\n\u003cli data-start=\"2262\" data-end=\"2284\"\u003eEndurance Race Bikes\u003c\/li\u003e\n\u003cli data-start=\"2285\" data-end=\"2313\"\u003ePerformance Road Platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2315\" data-end=\"2318\"\u003e\n\u003ch2 data-start=\"2320\" data-end=\"2349\"\u003eWhy Riders Choose OVERFAST\u003c\/h2\u003e\n\u003cul data-start=\"2351\" data-end=\"2589\"\u003e\n\u003cli data-start=\"2351\" data-end=\"2390\"\u003eLightweight race-focused construction\u003c\/li\u003e\n\u003cli data-start=\"2391\" data-end=\"2427\"\u003eAero styling for modern road bikes\u003c\/li\u003e\n\u003cli data-start=\"2428\" data-end=\"2468\"\u003eExcellent stiffness and power transfer\u003c\/li\u003e\n\u003cli data-start=\"2469\" data-end=\"2506\"\u003eSmooth front derailleur performance\u003c\/li\u003e\n\u003cli data-start=\"2507\" data-end=\"2545\"\u003eDurable CNC-machined alloy structure\u003c\/li\u003e\n\u003cli data-start=\"2546\" data-end=\"2589\"\u003eIdeal for drivetrain performance upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2591\" data-end=\"2594\"\u003e\n\u003ch2 data-start=\"2596\" data-end=\"2607\"\u003eMaterial\u003c\/h2\u003e\n\u003cul data-start=\"2609\" data-end=\"2648\"\u003e\n\u003cli data-start=\"2609\" data-end=\"2648\"\u003eCNC Machined 7075-T651 Aluminum Alloy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2650\" data-end=\"2653\"\u003e\n\u003ch2 data-start=\"2655\" data-end=\"2676\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul data-start=\"2678\" data-end=\"2825\"\u003e\n\u003cli data-start=\"2678\" data-end=\"2717\"\u003eProfessional installation recommended\u003c\/li\u003e\n\u003cli data-start=\"2718\" data-end=\"2778\"\u003ePlease confirm crank and BCD compatibility before ordering\u003c\/li\u003e\n\u003cli data-start=\"2779\" data-end=\"2825\"\u003eUse manufacturer-recommended torque settings\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"marioti","offers":[{"title":"50\/34 Close (Aero)","offer_id":54792748794124,"sku":null,"price":135.99,"currency_code":"USD","in_stock":true},{"title":"52\/36 Close (Aero)","offer_id":54792748826892,"sku":null,"price":135.99,"currency_code":"USD","in_stock":true},{"title":"50\/34 Hollow (Lightweight)","offer_id":54792748859660,"sku":null,"price":135.99,"currency_code":"USD","in_stock":true},{"title":"52\/36 Hollow (Lightweight)","offer_id":54792748892428,"sku":null,"price":135.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/6454\/9388\/files\/ChatGPTImage2026_5_14_16_09_20.png?v=1778747408","url":"https:\/\/spartsti.com\/products\/overfast-aero-lightweight-alloy-chainring-set","provider":"S-PARTS","version":"1.0","type":"link"}