{"product_id":"circuit-racing-tr48-front-wheel-4-piston-big-brake-kit","title":"Circuit Racing TR48 Front Wheel 4-Piston Big Brake Kit","description":"\u003cdiv class=\"tt-product-description\"\u003e\n  \u003csection id=\"tr48-circuit-racing-intro\" class=\"tt-block\"\u003e\n    \u003cp class=\"tt-eyebrow\"\u003eRacing Series · Circuit · Front Axle · 4-Piston\u003c\/p\u003e\n    \u003ch2 class=\"tt-title\"\u003eTR48 Front 4-Piston Big Brake Kit\u003c\/h2\u003e\n    \u003cp\u003eA front-axle 4-piston monoblock BBK engineered for circuit, time-attack, drift, and rally use. Forged caliper, two-piece directional rotors, and a wide pad window deliver thermal repeatability and a consistent pedal from out-lap to checker.\u003c\/p\u003e\n\n    \u003cdiv class=\"tt-chip-list\"\u003e\n      \u003cspan class=\"tt-chip\"\u003eMonoblock forged aluminum\u003c\/span\u003e\n      \u003cspan class=\"tt-chip\"\u003e4-piston, 38 \/ 41 mm\u003c\/span\u003e\n      \u003cspan class=\"tt-chip\"\u003eØ355 or Ø380 mm × 32 mm\u003c\/span\u003e\n      \u003cspan class=\"tt-chip\"\u003eTwo-piece rotors\u003c\/span\u003e\n      \u003cspan class=\"tt-chip\"\u003ePads to 750 °C, Option B\u003c\/span\u003e\n      \u003cspan class=\"tt-chip\"\u003eSS braided lines\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"tr48-circuit-racing-benefits\" class=\"tt-block\"\u003e\n    \u003ch2 class=\"tt-title\"\u003eWhy Builders Choose the TR48\u003c\/h2\u003e\n    \u003cp\u003eThe TR48 caliper body is forged from a single aluminum billet for stiffness under sustained line pressure. Four pistons, 38 mm × 2 and 41 mm × 2, generate 49.36 cm² of total clamp area per caliper, with a staggered bore layout that promotes even pad pressure distribution and a more linear bite as pad temperature climbs. Racing-spec pistons run without dust boots to clear hot brake gases on track.\u003c\/p\u003e\n\n    \u003cdiv class=\"tt-card-grid\"\u003e\n      \u003carticle class=\"tt-card\"\u003e\n        \u003ch3\u003eRepeatable Lap-After-Lap Braking\u003c\/h3\u003e\n        \u003cp\u003eBuilt for circuit, time-attack, drift, and rally use where pedal consistency matters from out-lap to checker.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-card\"\u003e\n        \u003ch3\u003eMonoblock Forged Caliper\u003c\/h3\u003e\n        \u003cp\u003eForged from a single aluminum billet for stiffness under sustained line pressure.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-card\"\u003e\n        \u003ch3\u003e49.36 cm² Piston Area\u003c\/h3\u003e\n        \u003cp\u003e38 mm × 2 and 41 mm × 2 pistons generate 49.36 cm² total piston area per caliper.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-card\"\u003e\n        \u003ch3\u003eTwo-Piece Directional Rotors\u003c\/h3\u003e\n        \u003cp\u003eØ355 or Ø380 mm × 32 mm two-piece rotors with internal ventilation and left\/right specific directional vanes.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-card\"\u003e\n        \u003ch3\u003eWide Pad Window\u003c\/h3\u003e\n        \u003cp\u003eStandard 0–600 °C pads for sprint and HPDE, or Option B 0–750 °C pads for endurance heat loads and aggressive circuit work.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-card\"\u003e\n        \u003ch3\u003eRace-Service Hardware\u003c\/h3\u003e\n        \u003cp\u003eStainless braided lines, vehicle-specific brackets, rotor hats, and required bedding instructions support a real track workflow.\u003c\/p\u003e\n      \u003c\/article\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"tr48-circuit-racing-specs\" class=\"tt-block\"\u003e\n    \u003ch2 class=\"tt-title\"\u003eTechnical Specifications \u0026amp; Kit Options\u003c\/h2\u003e\n\n    \u003cdiv class=\"tt-table-scroll-wrapper\"\u003e\n      \u003ctable class=\"spec-table\" aria-label=\"TTSPORT TR48 Circuit Racing Front Big Brake Kit Technical Specifications and Kit Options\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003cth class=\"section-header\" colspan=\"3\"\u003eBrake Caliper\u003c\/th\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eSeries\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003eRacing Series — Circuit\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eModel \/ Application\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003eTR48\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eAxle Position\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003eFront\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003ePiston Count\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003e4-piston\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003ePiston Type\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003eRacing pistons without dust boots\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003ePiston Diameter\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003e38 mm × 2 \/ 41 mm × 2\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eCaliper Dimensions\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003e258.8 mm × 157.7 mm × 75.2 mm\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eTotal Piston Area\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003e49.36 cm² per caliper\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eManufacturing Process\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003eMonoblock forged aluminum body\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eNet Weight\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003e2.36 kg per caliper, without pads\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eSurface Finish\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003eNickel-plated\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eRecommended Wheel Size\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003e18 in or larger\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eRecommended Rotor Size\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003eØ355–380 mm × 32 mm\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003cth class=\"section-header\" colspan=\"3\"\u003eBrake Rotor Options\u003c\/th\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eRotor Option\u003c\/td\u003e\n            \u003ctd\u003eStandard\u003c\/td\u003e\n            \u003ctd\u003eOption B Racing\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eRotor Material\u003c\/td\u003e\n            \u003ctd\u003eHeat-treated high-carbon cast iron\u003c\/td\u003e\n            \u003ctd\u003eRacing-grade heat-treated high-carbon cast iron\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eAxle Position\u003c\/td\u003e\n            \u003ctd\u003eFront\u003c\/td\u003e\n            \u003ctd\u003eFront\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eRotor Dimensions\u003c\/td\u003e\n            \u003ctd\u003eØ355 \/ 380 mm × 32 mm\u003c\/td\u003e\n            \u003ctd\u003eØ355 \/ 380 mm × 32 mm\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eConstruction\u003c\/td\u003e\n            \u003ctd\u003eTwo-piece rotor assembly\u003c\/td\u003e\n            \u003ctd\u003eTwo-piece rotor assembly\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eVentilation\u003c\/td\u003e\n            \u003ctd\u003eInternally vented\u003c\/td\u003e\n            \u003ctd\u003eInternally vented\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eRotor Hats\u003c\/td\u003e\n            \u003ctd\u003eApplication-specific alloy rotor hats\u003c\/td\u003e\n            \u003ctd\u003eApplication-specific alloy rotor hats\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eRotor Mounting\u003c\/td\u003e\n            \u003ctd\u003eFixed or floating, depending on rotor size and vehicle application\u003c\/td\u003e\n            \u003ctd\u003eFixed or floating, depending on rotor size and vehicle application\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eDirectional Design\u003c\/td\u003e\n            \u003ctd\u003eYes — left\/right specific\u003c\/td\u003e\n            \u003ctd\u003eYes — left\/right specific\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eRotor Face Pattern\u003c\/td\u003e\n            \u003ctd\u003eCurved slot \/ Grain slot \/ Wave slot \/ Drilled and slotted\u003c\/td\u003e\n            \u003ctd\u003eWave slot\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eRecommended Use\u003c\/td\u003e\n            \u003ctd\u003eSprint sessions, HPDE, dual-purpose street \/ track cars driven to events\u003c\/td\u003e\n            \u003ctd\u003eSustained high-temperature work, time attack, endurance racing\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003cth class=\"section-header\" colspan=\"3\"\u003eBrake Pad Options\u003c\/th\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003ePad Option\u003c\/td\u003e\n            \u003ctd\u003eStandard\u003c\/td\u003e\n            \u003ctd\u003eOption B Racing\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eCompatible Rotor Material\u003c\/td\u003e\n            \u003ctd\u003eIron \/ steel rotors only\u003c\/td\u003e\n            \u003ctd\u003eIron \/ steel rotors only\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eOperating Temperature\u003c\/td\u003e\n            \u003ctd\u003e0–600 °C\u003c\/td\u003e\n            \u003ctd\u003e0–750 °C\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eAverage Friction Coefficient\u003c\/td\u003e\n            \u003ctd\u003eμ ≈ 0.38\u003c\/td\u003e\n            \u003ctd\u003eμ ≈ 0.45\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eRecommended Use\u003c\/td\u003e\n            \u003ctd\u003eStrong sprint and HPDE compound\u003c\/td\u003e\n            \u003ctd\u003eBuilt for endurance heat loads and aggressive circuit work\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003cth class=\"section-header\" colspan=\"3\"\u003eLines, Brackets \u0026amp; Service\u003c\/th\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eBrake Line Construction\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003eThree-layer reinforced\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eBrake Line Material\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003ePTFE inner liner \/ SUS304 braid \/ PVC outer sheath\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eCaliper Mounting\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003eRadial mount with vehicle-specific caliper brackets\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eCaliper Brackets\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003eVehicle-specific caliper brackets\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eBrake Line Fittings\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003eVehicle-specific, caliper-side and chassis-side vary\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eWheel Clearance\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003eMinimum 18 in wheels; final clearance depends on wheel barrel, spoke geometry, rotor size, and bracket package\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eBedding-In Procedure\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003eRequired\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003cp class=\"tt-note\"\u003eFriction values vary with temperature, line pressure, and rotor condition. Choose the compound that matches your session length and chassis weight. Pads on this platform are designed for iron \/ steel rotor faces only. Do not use carbon-ceramic-only compounds.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"package-list\" class=\"tt-block\"\u003e\n    \u003ch2 class=\"tt-title\"\u003ePackage List\u003c\/h2\u003e\n\n    \u003cdiv class=\"tt-spec-grid\"\u003e\n      \u003carticle class=\"tt-spec-card\"\u003e\n        \u003ch3\u003eCalipers ×2\u003c\/h3\u003e\n        \u003cp\u003e2 × TR48 front monoblock forged 4-piston calipers with nickel-plated finish.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-spec-card\"\u003e\n        \u003ch3\u003eBrake Pads\u003c\/h3\u003e\n        \u003cp\u003eBrake pads for both front calipers, selected from standard 0–600 °C or Option B 0–750 °C pad window.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-spec-card\"\u003e\n        \u003ch3\u003eBrake Rotors ×2\u003c\/h3\u003e\n        \u003cp\u003e2 × two-piece internally vented front rotors, Ø355 or Ø380 mm × 32 mm, left\/right specific.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-spec-card\"\u003e\n        \u003ch3\u003eCaliper Brackets ×2\u003c\/h3\u003e\n        \u003cp\u003eVehicle-specific radial caliper brackets for correct front caliper alignment.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-spec-card\"\u003e\n        \u003ch3\u003eRotor Hats ×2\u003c\/h3\u003e\n        \u003cp\u003eApplication-specific alloy rotor hats matched to front hub location and rotor offset.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-spec-card\"\u003e\n        \u003ch3\u003eBrake Hoses ×2\u003c\/h3\u003e\n        \u003cp\u003eStainless braided front brake lines with PTFE inner liner, SUS304 braid, and PVC outer sheath.\u003c\/p\u003e\n      \u003c\/article\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"custom-fitment-process\" class=\"tt-block\"\u003e\n    \u003ch2 class=\"tt-title\"\u003eThe Bespoke Engineering Process\u003c\/h2\u003e\n    \u003cp\u003eEvery TR48 front circuit racing system is engineered around the vehicle’s front knuckle, hub location, rotor hat offset, wheel barrel, spoke clearance, brake line routing, front brake bias target, and intended motorsport use. The goal is not a generic universal fit; the goal is a front brake package that works with your chassis geometry and gives the driver repeatable pedal behavior from out-lap to checker.\u003c\/p\u003e\n\n    \u003cdiv class=\"fitment-grid\" role=\"list\" aria-label=\"TR48 custom brake kit engineering process\"\u003e\n      \u003carticle class=\"fitment-item\" role=\"listitem\"\u003e\n        \u003cdiv\u003e\n          \u003cspan class=\"step-title\"\u003e1. Technical Consultation\u003c\/span\u003e\n          \u003cp\u003eWe review the chassis, front suspension and knuckle setup, motorsport use, target front brake behavior, wheel package, tire compound, rear brake pairing, ABS \/ proportioning strategy, and whether the car uses OEM or custom front uprights.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"fitment-item\" role=\"listitem\"\u003e\n        \u003cdiv\u003e\n          \u003cspan class=\"step-title\"\u003e2. Data Submission\u003c\/span\u003e\n          \u003cp\u003eFor OEM knuckles, provide year, make, model, trim, current wheel size, intended use, and detailed wheel specifications. For custom uprights, motorsport hub conversions, or non-OE rotor offsets, provide CAD files, technical drawings, hub-face data, rotor mounting dimensions, or accurate bracket mounting-point measurements.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"fitment-item\" role=\"listitem\"\u003e\n        \u003cdiv\u003e\n          \u003cspan class=\"step-title\"\u003e3. Engineering Review \u0026amp; Approval\u003c\/span\u003e\n          \u003cp\u003eTTSPORT confirms rotor size, caliper clearance, vehicle-specific caliper bracket geometry, rotor hat offset, brake line fittings, pad compound, and required fitment details before production begins.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/article\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"tt-callout\"\u003e\n      \u003cp\u003eIf you are unsure whether your wheel, front knuckle, rotor offset, brake balance target, or brake line routing is suitable, \u003ca href=\"https:\/\/ttsport-brake.com\/pages\/contact\"\u003eContact us\u003c\/a\u003e before ordering so the engineering team can review the build details.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"installation-break-in\" class=\"tt-block\"\u003e\n    \u003ch2 class=\"tt-title\"\u003eInstallation \u0026amp; Break-In\u003c\/h2\u003e\n    \u003cul class=\"tt-check-list\"\u003e\n      \u003cli\u003eTR48 uses radial-mount, vehicle-specific caliper brackets and vehicle-specific brake line fittings.\u003c\/li\u003e\n      \u003cli\u003eChoose Ø355 mm × 32 mm for lighter chassis, tight tracks, 18 in wheels, and lower thermal demand.\u003c\/li\u003e\n      \u003cli\u003eChoose Ø380 mm × 32 mm for heavier chassis, fast circuits, endurance use, and higher thermal headroom.\u003c\/li\u003e\n      \u003cli\u003eStandard 0–600 °C pads suit sprint sessions, HPDE, and dual-purpose street \/ track cars driven to events.\u003c\/li\u003e\n      \u003cli\u003eOption B 0–750 °C pads suit sustained high-temperature work, time attack, and endurance racing.\u003c\/li\u003e\n      \u003cli\u003eA proper bed-in cycle transfers an even layer of pad material onto the rotor face, sets initial friction, and prevents uneven deposits, vibration, and judder.\u003c\/li\u003e\n      \u003cli\u003eComplete the included bedding procedure before your first hard session.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"faq\" class=\"tt-block\"\u003e\n    \u003ch2 class=\"tt-title\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n    \u003cdiv class=\"faq-list\"\u003e\n      \u003cdetails\u003e\n        \u003csummary\u003eWhat is the TR48 designed for?\u003c\/summary\u003e\n        \u003cdiv class=\"faq-a\"\u003e\n          \u003cp\u003eThe TR48 is a front-axle 4-piston monoblock big brake kit built for circuit, time-attack, drift, and rally use. It targets thermal repeatability lap after lap, a stable pedal under load, and predictable brake balance when paired with a matched rear setup.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/details\u003e\n\n      \u003cdetails\u003e\n        \u003csummary\u003eWhich rotor size and pad compound should I choose?\u003c\/summary\u003e\n        \u003cdiv class=\"faq-a\"\u003e\n          \u003cp\u003eChoose Ø355 mm × 32 mm for lighter cars, tight tracks, and 18 in wheels, or Ø380 mm × 32 mm for heavier chassis, fast circuits, and endurance heat loads. The standard pad runs 0–600 °C with avg μ 0.38; the racing-steel option runs 0–750 °C with avg μ 0.45 for sustained high-temp work.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/details\u003e\n\n      \u003cdetails\u003e\n        \u003csummary\u003eWhat wheel clearance does the kit need?\u003c\/summary\u003e\n        \u003cdiv class=\"faq-a\"\u003e\n          \u003cp\u003eMinimum 18 in wheels are required. Caliper envelope is 258.8 mm × 157.7 mm × 75.2 mm. Wheel barrel and spoke geometry vary, so confirm clearance against the caliper profile before ordering, especially with 380 mm rotors.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/details\u003e\n\n      \u003cdetails\u003e\n        \u003csummary\u003eAre the rotors two-piece, and are they directional?\u003c\/summary\u003e\n        \u003cdiv class=\"faq-a\"\u003e\n          \u003cp\u003eYes. Rotors are two-piece assemblies, internally vented, with left\/right specific directional vanes. Mounting is fixed or floating depending on rotor size and vehicle application. Face options include curved slot, grain slot, wave slot, and drilled-and-slotted; the racing-steel option ships wave slot.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/details\u003e\n\n      \u003cdetails\u003e\n        \u003csummary\u003eIs a bedding-in procedure required?\u003c\/summary\u003e\n        \u003cdiv class=\"faq-a\"\u003e\n          \u003cp\u003eYes. A proper bed-in cycle is required to transfer pad material evenly to the rotor face, set initial friction, and prevent uneven deposits or judder. Follow the included procedure before any hard track sessions.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/details\u003e\n\n      \u003cdetails\u003e\n        \u003csummary\u003eCan I get this kit for my specific vehicle?\u003c\/summary\u003e\n        \u003cdiv class=\"faq-a\"\u003e\n          \u003cp\u003eYes. The TR48 uses radial-mount, vehicle-specific caliper brackets and vehicle-specific brake line fittings. Send your year, make, model, trim, and wheel spec through our contact page and we will confirm the correct bracket, rotor size, and line kit.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/details\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"tr48-circuit-racing-cta\" class=\"tt-cta-panel\"\u003e\n    \u003cdiv\u003e\n      \u003ch2 class=\"tt-title\"\u003eSpec your TR48 build\u003c\/h2\u003e\n      \u003cp\u003eSend your year, make, model, trim, current wheel size, and intended use. We will confirm rotor size, bracket geometry, line fittings, and pad compound for your application.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"tt-cta-row\"\u003e\n      \u003ca class=\"tt-cta-button\" href=\"https:\/\/ttsport-brake.com\/pages\/contact\"\u003eContact us for fitment\u003c\/a\u003e\n      \u003ca class=\"tt-secondary-button\" href=\"https:\/\/ttsport-brake.com\/blogs\/customer-cases\/tagged\/tr48\"\u003eView Customer Builds\u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e","brand":"TTSPORT","offers":[{"title":"Nickel-Plated \/ 355x32mm (Wheel ≥ 18″) \/ Steel - Curved Slotted","offer_id":44730986627158,"sku":"TR48","price":8579.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 355x32mm (Wheel ≥ 18″) \/ Steel - GrainSlot","offer_id":44730986659926,"sku":"TR48","price":8579.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 355x32mm (Wheel ≥ 18″) \/ Steel - WaveSlot","offer_id":44730986692694,"sku":"TR48","price":8579.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 355x32mm (Wheel ≥ 18″) \/ Steel - Drilled \u0026 Slotted","offer_id":44730986725462,"sku":"TR48","price":8579.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 355x32mm (Wheel ≥ 18″) \/ Steel (Racing) - WaveSlot","offer_id":44730986758230,"sku":"TR48","price":9590.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 380x32mm (Wheel ≥ 19″) \/ Steel - Curved Slotted","offer_id":44730986790998,"sku":"TR48","price":9141.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 380x32mm (Wheel ≥ 19″) \/ Steel - GrainSlot","offer_id":44730986823766,"sku":"TR48","price":9141.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 380x32mm (Wheel ≥ 19″) \/ Steel - WaveSlot","offer_id":44730986856534,"sku":"TR48","price":9141.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 380x32mm (Wheel ≥ 19″) \/ Steel - Drilled \u0026 Slotted","offer_id":44730986889302,"sku":"TR48","price":9141.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 380x32mm (Wheel ≥ 19″) \/ Steel (Racing) - WaveSlot","offer_id":44730986922070,"sku":"TR48","price":10265.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/8833\/1094\/files\/Product_TTSPORT_Brake_Kit_TR48_5.jpg?v=1778655446","url":"https:\/\/ttsport-brake.com\/products\/circuit-racing-tr48-front-wheel-4-piston-big-brake-kit","provider":"TTSPORT","version":"1.0","type":"link"}