{"product_id":"sram-red-e1-rear-derailleur","title":"SRAM RED E1 Rear Derailleur","description":"\u003cp data-start=\"126\" data-end=\"457\"\u003eThe SRAM RED E1 Rear Derailleur is SRAM’s most advanced rear shifting system, designed to deliver maximum efficiency, ultra-clean shifting, and race-level reliability across both road and all-road AXS setups. Built for riders who demand absolute precision, it refines every aspect of drivetrain performance, from chain control to shifting response under load.\u003c\/p\u003e\n\u003chr data-start=\"459\" data-end=\"462\"\u003e\n\u003ch3 data-section-id=\"1v7iqwk\" data-start=\"464\" data-end=\"493\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cp data-start=\"495\" data-end=\"786\"\u003eOrbit Fluid Damper Chain Management\u003cbr data-start=\"534\" data-end=\"537\"\u003eAn integrated damping system stabilizes chain movement, reducing slap and improving retention on rough terrain. This results in quieter operation and more consistent shifting performance in all conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"788\" data-end=\"1037\"\u003eAXS Wireless Electronic Shifting\u003cbr data-start=\"824\" data-end=\"827\"\u003eFully wireless architecture eliminates cables entirely, enabling clean cockpit integration, rapid installation, and fully customizable shift behavior via the AXS app. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1039\" data-end=\"1280\"\u003eImproved Drivetrain Efficiency Pulleys\u003cbr data-start=\"1081\" data-end=\"1084\"\u003eLarger X-SYNC pulley wheels reduce chain articulation and improve mechanical efficiency, helping riders maintain smoother power delivery with less friction. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1282\" data-end=\"1498\"\u003eWide Cassette Range Compatibility\u003cbr data-start=\"1319\" data-end=\"1322\"\u003eSupports cassettes from 10-28T up to 10-36T, making it suitable for both tight road gearing and wider endurance or mixed-surface setups. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1500\" data-end=\"1743\"\u003eLighter and More Refined E1 Architecture\u003cbr data-start=\"1544\" data-end=\"1547\"\u003eThe E1 revision reduces weight compared to previous generation RED derailleurs while improving stiffness and responsiveness for faster, more precise shifts. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1745\" data-end=\"1964\"\u003e1x and 2x Compatibility\u003cbr data-start=\"1772\" data-end=\"1775\"\u003eA single derailleur platform supports both drivetrain configurations, simplifying inventory and build flexibility for high-end road and gravel bikes. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1966\" data-end=\"2178\"\u003eAXS Battery Interchangeability\u003cbr data-start=\"2000\" data-end=\"2003\"\u003eUses the standard SRAM AXS battery system, allowing riders to swap batteries between components for maximum convenience and redundancy. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2180\" data-end=\"2183\"\u003e\n\u003ch3 data-section-id=\"12xlpaz\" data-start=\"2185\" data-end=\"2215\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"2217\" data-end=\"2782\"\u003e\n\u003cli data-section-id=\"1ytetqf\" data-start=\"2217\" data-end=\"2286\"\u003eDrivetrain Compatibility: SRAM AXS 12-speed (road and gravel)\u003c\/li\u003e\n\u003cli data-section-id=\"1xxs8di\" data-start=\"2287\" data-end=\"2321\"\u003eMax Cassette Range: 10-36T\u003c\/li\u003e\n\u003cli data-section-id=\"qc2y2f\" data-start=\"2322\" data-end=\"2356\"\u003eMin Cassette Range: 10-28T\u003c\/li\u003e\n\u003cli data-section-id=\"10xpljz\" data-start=\"2357\" data-end=\"2405\"\u003eDrivetrain Support: 1x and 2x compatible\u003c\/li\u003e\n\u003cli data-section-id=\"6606zx\" data-start=\"2406\" data-end=\"2455\"\u003eTechnology: Orbit chain management system\u003c\/li\u003e\n\u003cli data-section-id=\"ngwvu6\" data-start=\"2456\" data-end=\"2514\"\u003ePulley System: Oversized X-SYNC efficiency pulleys\u003c\/li\u003e\n\u003cli data-section-id=\"14i40ke\" data-start=\"2515\" data-end=\"2587\"\u003eMaterial: Carbon cage construction with lightweight architecture\u003c\/li\u003e\n\u003cli data-section-id=\"w8t99s\" data-start=\"2588\" data-end=\"2644\"\u003eShifting: Fully wireless AXS electronic shifting\u003c\/li\u003e\n\u003cli data-section-id=\"1ci9p0\" data-start=\"2645\" data-end=\"2714\"\u003ePower Source: SRAM AXS rechargeable battery (interchangeable)\u003c\/li\u003e\n\u003cli data-section-id=\"1pbtggq\" data-start=\"2715\" data-end=\"2782\"\u003eUse Case: Road racing, endurance, gravel performance builds\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SRAM","offers":[{"title":"Default Title","offer_id":49133247332519,"sku":null,"price":770.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/1937\/3223\/files\/sramrede1-REARDER.png?v=1777484850","url":"https:\/\/imaginarybikeworks.com\/products\/sram-red-e1-rear-derailleur","provider":"Imaginary-Bikeworks","version":"1.0","type":"link"}