{"product_id":"circuit-racing-tr68-front-wheel-6-piston-big-brake-kit","title":"Circuit Racing TR68 Front Wheel 6-Piston Big Brake Kit","description":"\u003cdiv class=\"tt-product-description\"\u003e\n  \u003csection id=\"tr68-circuit-racing-intro\" class=\"tt-block\"\u003e\n    \u003cp class=\"tt-eyebrow\"\u003eRacing Series · Circuit · Front Axle · 6-Piston\u003c\/p\u003e\n    \u003ch2 class=\"tt-title\"\u003eTR68 Front 6-Piston Big Brake Kit\u003c\/h2\u003e\n    \u003cp\u003eThe TR68 is a front-axle, 6-piston monoblock big brake kit built for circuit work — repeat lap pace, predictable pedal feel deep into a session, and a service window that holds up to real track abuse. Forged aluminum body, staggered piston bores, and a two-piece rotor package sized from Ø355 to Ø390 mm give you the thermal headroom and bite balance circuit drivers actually need.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"tr68-circuit-racing-benefits\" class=\"tt-block\"\u003e\n    \u003ch2 class=\"tt-title\"\u003eWhy Builders Choose the TR68\u003c\/h2\u003e\n    \u003cp\u003eThe TR68 is built for circuit drivers who need thermal repeatability, tunable brake balance, and serviceable hardware across long sessions. A monoblock forged body, staggered 6-piston bore layout, 36 mm-thick two-piece rotors, and PTFE \/ SUS304 braided lines work together to deliver a firm, linear pedal under sustained load.\u003c\/p\u003e\n\n    \u003cdiv class=\"tt-card-grid\"\u003e\n      \u003carticle class=\"tt-card\"\u003e\n        \u003ch3\u003eMonoblock Forged Caliper\u003c\/h3\u003e\n        \u003cp\u003eOne-piece forged aluminum body resists flex under high line pressure, keeping piston alignment honest lap after lap. Caliper weighs 3.19 kg without pads.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-card\"\u003e\n        \u003ch3\u003eStaggered 6-Piston Bore\u003c\/h3\u003e\n        \u003cp\u003e27 \/ 32 \/ 38 mm differential bores load the pad evenly front-to-rear, fighting taper wear and keeping the friction surface flat through long stints. Total piston area: 50.10 cm² per caliper.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-card\"\u003e\n        \u003ch3\u003eTwo-Piece Race Rotors\u003c\/h3\u003e\n        \u003cp\u003eØ355, 378, or 390 mm × 36 mm two-piece assemblies with directional vanes. Choose curved slot, grain slot, wave slot, or drilled-and-slotted faces.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-card\"\u003e\n        \u003ch3\u003ePad Window You Can Tune\u003c\/h3\u003e\n        \u003cp\u003eStandard compound 0–600 °C, μ ~0.38. Optional racing compound 0–750 °C, μ ~0.45 for higher-energy circuits and heavier cars.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-card\"\u003e\n        \u003ch3\u003eThermal Repeatability\u003c\/h3\u003e\n        \u003cp\u003e36 mm-thick vented two-piece rotors and a forged caliper shed heat across long sessions without pedal fade.\u003c\/p\u003e\n      \u003c\/article\u003e\n\n      \u003carticle class=\"tt-card\"\u003e\n        \u003ch3\u003eServiceable Track Platform\u003c\/h3\u003e\n        \u003cp\u003eTwo-piece rotor design lets you replace friction rings only — hats, bobbins, and hardware stay in service.\u003c\/p\u003e\n      \u003c\/article\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"tr68-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 TR68 Circuit Racing Front Big Brake Kit Technical Specifications and Kit Options\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003cth class=\"section-header\" colspan=\"4\"\u003eBrake Caliper\u003c\/th\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eSeries\u003c\/td\u003e\n            \u003ctd colspan=\"3\"\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=\"3\"\u003eTR68\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eAxle Position\u003c\/td\u003e\n            \u003ctd colspan=\"3\"\u003eFront\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003ePiston Count\u003c\/td\u003e\n            \u003ctd colspan=\"3\"\u003e6-piston\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003ePiston Type\u003c\/td\u003e\n            \u003ctd colspan=\"3\"\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=\"3\"\u003e27 mm × 2 \/ 32 mm × 2 \/ 38 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=\"3\"\u003e299 mm × 191 mm × 79.4 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=\"3\"\u003e50.10 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=\"3\"\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=\"3\"\u003e3.19 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=\"3\"\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=\"3\"\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=\"3\"\u003eØ355–390 mm × 36 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=\"4\"\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\u003e355 mm\u003c\/td\u003e\n            \u003ctd\u003e378 mm\u003c\/td\u003e\n            \u003ctd\u003e390 mm\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 or Option B racing-grade heat-treated high-carbon cast iron\u003c\/td\u003e\n            \u003ctd\u003eHeat-treated high-carbon cast iron or Option B racing-grade heat-treated high-carbon cast iron\u003c\/td\u003e\n            \u003ctd\u003eHeat-treated high-carbon cast iron or Option B racing-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            \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 mm × 36 mm\u003c\/td\u003e\n            \u003ctd\u003eØ378 mm × 36 mm\u003c\/td\u003e\n            \u003ctd\u003eØ390 mm × 36 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            \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            \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            \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\u003c\/td\u003e\n            \u003ctd\u003eFixed or floating, depending on rotor size and vehicle\u003c\/td\u003e\n            \u003ctd\u003eFixed or floating, depending on rotor size and vehicle\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            \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 \u0026amp; slotted; Option B: Wave slot\u003c\/td\u003e\n            \u003ctd\u003eCurved slot \/ Grain slot \/ Wave slot \/ Drilled \u0026amp; slotted; Option B: Wave slot\u003c\/td\u003e\n            \u003ctd\u003eCurved slot \/ Grain slot \/ Wave slot \/ Drilled \u0026amp; slotted; Option B: Wave slot\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eRecommended Use\u003c\/td\u003e\n            \u003ctd\u003eLightest rotor option for tighter circuits, lower-mass cars, or wheel-clearance-limited builds\u003c\/td\u003e\n            \u003ctd\u003eBalanced choice for most track-day and time-attack builds\u003c\/td\u003e\n            \u003ctd\u003eMaximum leverage and heat capacity for high-speed circuits, heavier platforms, and endurance use\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003cth class=\"section-header\" colspan=\"4\"\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 colspan=\"2\"\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 colspan=\"2\"\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 colspan=\"2\"\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 colspan=\"2\"\u003eμ ~0.38, varies with temperature, pressure, and rotor condition\u003c\/td\u003e\n            \u003ctd\u003eμ ~0.45, varies with temperature, pressure, and rotor condition\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eRecommended Use\u003c\/td\u003e\n            \u003ctd colspan=\"2\"\u003eHPDE and club-level track use\u003c\/td\u003e\n            \u003ctd\u003eEndurance, heavy cars, and sustained high-energy stops\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003cth class=\"section-header\" colspan=\"4\"\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=\"3\"\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=\"3\"\u003ePTFE inner liner \/ SUS304 stainless-steel braid \/ PVC protective 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=\"3\"\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=\"3\"\u003eVehicle-specific radial 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=\"3\"\u003eVehicle-specific; caliper-side and chassis-side fittings vary by application\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eWheel Clearance\u003c\/td\u003e\n            \u003ctd colspan=\"3\"\u003e18 in or larger wheel recommended; final clearance depends on wheel design, spoke shape, barrel offset, rotor size, and bracket package\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eRotor Service\u003c\/td\u003e\n            \u003ctd colspan=\"3\"\u003eTwo-piece rotor design allows friction ring replacement while retaining the alloy hat, bobbins, and hardware when serviceable\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd class=\"spec-label\"\u003eBedding-In Procedure\u003c\/td\u003e\n            \u003ctd colspan=\"3\"\u003eRequired before track use\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\"\u003eTrack-use product. Racing pistons run without dust boots and racing pads have higher cold-bite thresholds. Bedding-in is required. Confirm wheel clearance, 18 in minimum, and final fitment with TTSPORT before installation.\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 × TR68 front monoblock forged 6-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 Racing 0–750 °C package.\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, selected from Ø355 \/ 378 \/ 390 mm × 36 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-mount 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 geometry 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\u003eThree-layer stainless-steel braided brake lines with PTFE inner liner, SUS304 braid, and PVC protective 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 TR68 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, rear brake pairing, tire package, 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 delivers repeatable pedal behavior under sustained circuit heat.\u003c\/p\u003e\n\n    \u003cdiv class=\"fitment-grid\" role=\"list\" aria-label=\"TR68 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, rear brake pairing, wheel package, tire compound, vehicle weight, power level, 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 vehicle information, wheel specs, hub geometry, and intended use. 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 diameter, vehicle-specific caliper bracket geometry, rotor hat offset, wheel clearance, brake line fittings, pad compound, and pad-to-rotor alignment 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, hub geometry, rotor offset, rear brake pairing, 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\u003eEvery TR68 kit ships with vehicle-specific radial-mount brackets and matched braided lines.\u003c\/li\u003e\n      \u003cli\u003eIf your chassis is not already in the TTSPORT database, send hub geometry, wheel spec, and photos so the engineering team can model the bracket, confirm rotor offset, and validate pad-to-rotor alignment before production.\u003c\/li\u003e\n      \u003cli\u003eChoose Ø355 mm for tighter tracks, lower-mass cars, or wheel-clearance-limited builds.\u003c\/li\u003e\n      \u003cli\u003eChoose Ø378 mm as the balanced choice for most track-day and time-attack builds.\u003c\/li\u003e\n      \u003cli\u003eChoose Ø390 mm for high-speed circuits, heavier platforms, and endurance use.\u003c\/li\u003e\n      \u003cli\u003eStandard 0–600 °C \/ μ 0.38 pad covers HPDE and club-level track use.\u003c\/li\u003e\n      \u003cli\u003eRacing 0–750 °C \/ μ 0.45 pad is the call for sustained high-energy stops.\u003c\/li\u003e\n      \u003cli\u003eBedding-in is required before track use to transfer pad material evenly to the rotor face and stabilize the friction surface.\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\u003eIs the TR68 a front or rear kit?\u003c\/summary\u003e\n        \u003cdiv class=\"faq-a\"\u003e\n          \u003cp\u003eFront axle. It's a 6-piston front big brake kit. Pair with a matched TTSPORT rear kit to maintain brake balance.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/details\u003e\n\n      \u003cdetails\u003e\n        \u003csummary\u003eWhat rotor size should I choose?\u003c\/summary\u003e\n        \u003cdiv class=\"faq-a\"\u003e\n          \u003cp\u003eØ355 mm is suited to tighter tracks, lighter cars, or wheel-clearance-limited builds. Ø378 mm is the all-round track-day choice. Ø390 mm gives maximum leverage and heat capacity for high-speed circuits, heavier platforms, or endurance use. All three are 36 mm thick.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/details\u003e\n\n      \u003cdetails\u003e\n        \u003csummary\u003eWhat's the difference between the standard and Option B Racing package?\u003c\/summary\u003e\n        \u003cdiv class=\"faq-a\"\u003e\n          \u003cp\u003eOption B uses a racing-grade heat-treated high-carbon iron ring with a wave-slot face and the higher-temperature pad, 0–750 °C with μ ~0.45. It's built for sustained high-energy braking. The standard package is suited to club track and HPDE use.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/details\u003e\n\n      \u003cdetails\u003e\n        \u003csummary\u003eWill it fit under my wheels?\u003c\/summary\u003e\n        \u003cdiv class=\"faq-a\"\u003e\n          \u003cp\u003eRecommended wheel size is 18 in or larger, but final clearance depends on wheel design, spoke shape, and barrel offset. Send your wheel spec and TTSPORT will confirm before shipping.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/details\u003e\n\n      \u003cdetails\u003e\n        \u003csummary\u003eAre the rotors serviceable?\u003c\/summary\u003e\n        \u003cdiv class=\"faq-a\"\u003e\n          \u003cp\u003eYes. The two-piece design lets you replace just the friction ring when it is worn or cracked, reusing the aluminum hat and hardware. This is a major cost saving over consecutive track seasons.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/details\u003e\n\n      \u003cdetails\u003e\n        \u003csummary\u003eDoes the kit include brake lines and brackets?\u003c\/summary\u003e\n        \u003cdiv class=\"faq-a\"\u003e\n          \u003cp\u003eYes. Each kit ships with vehicle-specific radial-mount caliper brackets and three-layer PTFE \/ SUS304 \/ PVC braided lines with application-correct fittings.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/details\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"tr68-circuit-racing-cta\" class=\"tt-cta-panel\"\u003e\n    \u003cdiv\u003e\n      \u003ch2 class=\"tt-title\"\u003eReady to Spec Your TR68?\u003c\/h2\u003e\n      \u003cp\u003eTell us your chassis, wheel size, and intended use — track day, time attack, or endurance — and we'll confirm rotor diameter, pad compound, rotor hat offset, bracket availability, and brake line fittings.\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\u003c\/a\u003e\n      \u003ca class=\"tt-secondary-button\" href=\"https:\/\/ttsport-brake.com\/blogs\/customer-cases\/tagged\/tr68\"\u003eView Customer Builds\u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e","brand":"TTSPORT","offers":[{"title":"Nickel-Plated \/ 355x36mm (Wheel ≥ 18″) \/ Steel - Curved Slotted","offer_id":44731372634198,"sku":"TR68","price":9141.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 355x36mm (Wheel ≥ 18″) \/ Steel - GrainSlot","offer_id":44731372666966,"sku":"TR68","price":9141.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 355x36mm (Wheel ≥ 18″) \/ Steel - WaveSlot","offer_id":44731372699734,"sku":"TR68","price":9141.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 355x36mm (Wheel ≥ 18″) \/ Steel - Drilled \u0026 Slotted","offer_id":44731372732502,"sku":"TR68","price":9141.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 355x36mm (Wheel ≥ 18″) \/ Steel (Racing) - WaveSlot","offer_id":44731372765270,"sku":"TR68","price":10902.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 378x36mm (Wheel ≥ 19″) \/ Steel - Curved Slotted","offer_id":44731372798038,"sku":"TR68","price":9590.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 378x36mm (Wheel ≥ 19″) \/ Steel - GrainSlot","offer_id":44731372830806,"sku":"TR68","price":9590.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 378x36mm (Wheel ≥ 19″) \/ Steel - WaveSlot","offer_id":44731372863574,"sku":"TR68","price":9590.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 378x36mm (Wheel ≥ 19″) \/ Steel - Drilled \u0026 Slotted","offer_id":44731372896342,"sku":"TR68","price":9590.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 378x36mm (Wheel ≥ 19″) \/ Steel (Racing) - WaveSlot","offer_id":44731372929110,"sku":"TR68","price":11239.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 390x36mm (Wheel ≥ 20″) \/ Steel - Curved Slotted","offer_id":44731372961878,"sku":"TR68","price":9590.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 390x36mm (Wheel ≥ 20″) \/ Steel - GrainSlot","offer_id":44731372994646,"sku":"TR68","price":9590.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 390x36mm (Wheel ≥ 20″) \/ Steel - WaveSlot","offer_id":44731373027414,"sku":"TR68","price":9590.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 390x36mm (Wheel ≥ 20″) \/ Steel - Drilled \u0026 Slotted","offer_id":44731373060182,"sku":"TR68","price":9590.0,"currency_code":"AED","in_stock":true},{"title":"Nickel-Plated \/ 390x36mm (Wheel ≥ 20″) \/ Steel (Racing) - WaveSlot","offer_id":44731373092950,"sku":"TR68","price":11239.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/8833\/1094\/files\/Product_TTSPORT_Brake_Kit_TR68_5.jpg?v=1778550421","url":"https:\/\/ttsport-brake.com\/products\/circuit-racing-tr68-front-wheel-6-piston-big-brake-kit","provider":"TTSPORT","version":"1.0","type":"link"}