{"product_id":"audi-rs-e-tron-gt-e-tron-gt-j1-carbon-ceramic-brake-kits","title":"2021-2026+ Audi e-tron GT \/ RS e-tron GT Carbon Ceramic Brake Kit","description":"\u003cdiv class=\"sfx\"\u003e\n\u003csection class=\"box red\"\u003e\u003ch2\u003e2021-2026+ Audi e-tron GT \/ RS e-tron GT Carbon Ceramic Brake Kit — OEM-Size Replacement\u003c\/h2\u003e\n\u003cp\u003eThe J1 Audi e-tron GT and RS e-tron GT put high vehicle mass, regenerative blending, and large fixed-caliper friction brakes on the same rotor package, so owners usually shop carbon ceramic when the factory iron setup dusts heavily or an OEM ceramic rotor is too expensive to replace. This StopFlex OEM-size kit matches the listed factory rotor envelopes: e-tron GT 400 mm front \/ 380 mm rear, RS e-tron GT 420 mm or 440 mm front and 390 mm or 400 mm rear carbon-ceramic applications. The kit includes carbon-ceramic rotors, pads, hats, and floating hardware so the order can be built around the exact trim and rotor size already on the car.\u003c\/p\u003e\n\u003cul class=\"check\"\u003e\n\u003cli\u003e\u003cspan\u003eBuilt only for the listed J1 e-tron GT \/ RS e-tron GT rotor sizes: 400 mm front and 380 mm rear for e-tron GT, or 420\/440 mm front and 390\/400 mm rear for RS e-tron GT carbon-ceramic fitments.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCarbon-ceramic discs reduce brake dust on the e-tron GT’s large open wheels and remove rotating mass from a heavy 800V EV chassis without changing the OEM-size brake layout.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFloating hats and hardware are included to manage thermal expansion across repeated high-energy stops from the RS e-tron GT’s large front brake package.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"box red\"\u003e\u003ch2\u003eFitment Hard Lines\u003c\/h2\u003e\n\u003cdiv class=\"scroll\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth class=\"accent\"\u003eField\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle\u003c\/td\u003e\n\u003ctd\u003eAudi e-tron GT \/ RS e-tron GT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel years\u003c\/td\u003e\n\u003ctd\u003e2021-2026+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront rotor reference\u003c\/td\u003e\n\u003ctd\u003eRS e-tron GT: 420mm, 440mm (CCB); e-tron GT: 400mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear rotor reference\u003c\/td\u003e\n\u003ctd\u003eRS e-tron GT: 390mm, 400mm (CCB); e-tron GT: 380mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePage type\u003c\/td\u003e\n\u003ctd\u003eOEM-size carbon ceramic replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum wheel size\u003c\/td\u003e\n\u003ctd\u003e21\" (for the 420 mm rotor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"sf-emph\"\u003e\u003cp\u003eFor OEM replacement orders, StopFlex builds around the factory rotor specification shown for this vehicle. Front floating-caliper setups require manual review before production. If the car uses aftermarket calipers such as Brembo, AP Racing, Alcon, or Wilwood, the order can still be built, but the exact caliper model, pad shape, and rotor dimensions must be confirmed before production.\u003c\/p\u003e\u003c\/div\u003e\n\u003cp\u003eThis setup uses a 420 mm rotor, so the minimum wheel size is 21\". Wheels under 21\" will not clear the caliper and rotor, and spoke profile and offset affect clearance too — confirm your exact wheels before ordering.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"box\"\u003e\u003ch2\u003eWhy StopFlex CCB\u003c\/h2\u003e\n\u003cdiv class=\"grid g3\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eLower Unsprung Mass\u003c\/h3\u003e\n\u003cp\u003eStopFlex carbon-ceramic rotors are engineered to reduce rotor mass versus comparable iron discs, helping the suspension react cleaner and the steering feel more precise.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eHigh-Temperature Stability\u003c\/h3\u003e\n\u003cp\u003eThe carbon-silicon-carbide matrix is built for stable braking behavior at temperatures that can push iron rotors into heavy fade.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eRust-Free Rotor Surface\u003c\/h3\u003e\n\u003cp\u003eCarbon ceramic does not form orange flash rust after rain, washing, or storage, keeping the visible rotor face cleaner behind open wheels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eLong Street-Service Potential\u003c\/h3\u003e\n\u003cp\u003eIn normal road use with matched pads and proper bedding, StopFlex CCB rotors are designed for far longer service life than typical iron replacement rotors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eLow Visible Dust\u003c\/h3\u003e\n\u003cp\u003eWhen paired with matched StopFlex pads, the system produces very low visible brake dust compared with conventional iron rotor and pad combinations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003ePremium Ceramic-Glaze Appearance\u003c\/h3\u003e\n\u003cp\u003eStopFlex's proprietary coating creates a bright, high-end ceramic-glaze finish with subtle glaze texture and a more premium visual character behind open wheels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eStreet-Usable Cold Bite\u003c\/h3\u003e\n\u003cp\u003eStreet Spec and Track-Day Spec rotors are designed for normal first-stop road use, including cold-weather operation. Motorsport Spec is the competition-focused exception.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eContinuous Fiber Reinforcement\u003c\/h3\u003e\n\u003cp\u003eLong-fiber carbon ceramic construction improves structural strength and thermal durability versus chopped-fiber approaches.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eCustom Rotor Hat Color\u003c\/h3\u003e\n\u003cp\u003eEvery StopFlex OEM replacement order can be built with a custom rotor hat color, giving the carbon ceramic rotor package a cleaner match with the wheel, body color, and overall build style.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"box\"\u003e\u003ch2\u003eHeat Management Note\u003c\/h2\u003e\n\u003cp\u003eCarbon ceramic rotors tolerate extreme surface temperature, but they do not remove every heat-management requirement. During repeated hard stops, heat can still soak into pads, fluid, seals, calipers, wheels, and nearby components. For long track sessions, mountain descents, or sustained aggressive driving, brake cooling and high-temperature fluid are still recommended.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"box\"\u003e\u003ch2\u003eStreet \/ Track-Day \/ Motorsport Rotor Options\u003c\/h2\u003e\n\u003cdiv class=\"grid g3\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/8933\/5811\/files\/StopFlex_Street_CCB_Rotor.jpg?v=1773907551\" alt=\"StopFlex Street Spec carbon ceramic brake rotor\"\u003e\u003ch3\u003eStreet Spec\u003c\/h3\u003e\n\u003cp\u003eCeramic coating, cross-drilled face, and large cooling channels.\u003c\/p\u003e\n\u003cp\u003eBest for daily driving and premium street builds that need clean cold bite, low dust, corrosion-free appearance, and long service life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/8933\/5811\/files\/StopFlex_Trackday_CCB_Rotor.jpg?v=1773907551\" alt=\"StopFlex Track-Day Spec carbon ceramic brake rotor\"\u003e\u003ch3\u003eTrack-Day Spec\u003c\/h3\u003e\n\u003cp\u003eCeramic coating, blank face, and honeycomb cooling channels.\u003c\/p\u003e\n\u003cp\u003eBest for fast-road and track-day use where repeated braking stability matters more than maximum visual drilling style.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/8933\/5811\/files\/StopFlex_Racing_CCB_Rotor.jpg?v=1773907551\" alt=\"StopFlex Motorsport Spec carbon ceramic brake rotor\"\u003e\u003ch3\u003eMotorsport Spec\u003c\/h3\u003e\n\u003cp\u003eUncoated blank face with honeycomb cooling channels.\u003c\/p\u003e\n\u003cp\u003eBest for race-focused builds that run competition pads, high-temperature fluid, cooling strategy, and a proper warm-up window. Not the default street choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"box\"\u003e\u003ch2\u003ePackage Scope\u003c\/h2\u003e\n\u003cdiv class=\"scroll\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth class=\"accent\"\u003eItem\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCCB rotors\u003c\/td\u003e\n\u003ctd\u003eFull-car set by default\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCCB brake pads\u003c\/td\u003e\n\u003ctd\u003eMatched for StopFlex carbon ceramic rotors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7075 aluminum floating rotor hats\u003c\/td\u003e\n\u003ctd\u003eVehicle-specific fitment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStainless floating hardware\u003c\/td\u003e\n\u003ctd\u003eFull-car hardware set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor hat color\u003c\/td\u003e\n\u003ctd\u003eCustom rotor hat colors are available for every OEM replacement order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrder scope\u003c\/td\u003e\n\u003ctd\u003eDefault listing is full-car set. Front-only or rear-only orders can be arranged after confirmation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"box\"\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this kit fit every 2021-2026+ Audi e-tron GT or RS e-tron GT?\u003c\/summary\u003e\u003cdiv class=\"a\"\u003e\u003cp\u003eNo. This page is limited to the exact trims and rotor sizes listed: e-tron GT 400 mm front \/ 380 mm rear, and RS e-tron GT 420 mm or 440 mm front with 390 mm or 400 mm rear carbon-ceramic applications. Confirm the rotor diameter and brake option on your car before ordering.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the kit keep the factory parking brake and auto-hold functions?\u003c\/summary\u003e\u003cdiv class=\"a\"\u003e\u003cp\u003eYes, when ordered for the correct rear rotor configuration, the kit is designed as an OEM-size replacement and retains the Audi rear parking-brake arrangement. The rear size must match the car’s original e-tron GT or RS e-tron GT brake package.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy replace the factory iron brakes with carbon ceramic on an e-tron GT?\u003c\/summary\u003e\u003cdiv class=\"a\"\u003e\u003cp\u003eThe e-tron GT is a heavy performance EV, so high-speed stops put substantial heat into the friction brakes even with regenerative braking. Carbon ceramic rotors reduce dust, resist heat-related fade, and lower rotating mass compared with iron rotors in the same OEM-size layout.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat should I confirm before ordering?\u003c\/summary\u003e\u003cdiv class=\"a\"\u003e\u003cp\u003eConfirm model year, trim, front and rear rotor diameters, whether the car already has Audi carbon-ceramic brakes, wheel size and clearance, and the rear parking-brake configuration. Compatibility is determined by those details, not by the e-tron GT badge alone.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"cta\" id=\"contact_form_page\"\u003e\u003ch2\u003eNeed Fitment Confirmation?\u003c\/h2\u003e\n\u003cp\u003eSend the exact vehicle details, current rotor sizes, and caliper type before ordering.\u003c\/p\u003e\n\u003cdiv class=\"cta-row\"\u003e\n\u003ca class=\"btn\" href=\"\/pages\/carbon-ceramic-brakes\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eCarbon Ceramic Brakes: Buying \u0026amp; Fitment Guide\u003c\/a\u003e\u003ca class=\"btn ghost\" href=\"#contact_form_page\"\u003eConfirm Fitment\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"StopFlex","offers":[{"title":"Default Title","offer_id":47895400972547,"sku":"100009","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/8933\/5811\/files\/Audi-RS-etron-GT-J1-CCB-Brake_d3b982a2-54d3-4e7c-b297-4851a83b08b2.jpg?v=1776240664","url":"https:\/\/stopflex-ccb.com\/products\/audi-rs-e-tron-gt-e-tron-gt-j1-carbon-ceramic-brake-kits","provider":"StopFlex","version":"1.0","type":"link"}