Monoblock Forged Caliper
Single-piece forged aluminum body resists flex under sustained high line pressure, keeping pad knock-back and pedal travel predictable lap after lap.
Email: sales@ttsport-racing.com
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Product Detail
xRacing Series · Circuit · Front Axle · 6-Piston
TR65 Front 6-Piston Racing Big Brake Kit
The TR65 is a front-axle racing big brake kit built for circuit, time attack, drift, rally, and endurance use. A monoblock forged 6-piston caliper, two-piece floating rotors, race pad options, and braided lines give builders a rigid foundation to engineer around the car's brake balance, wheel package, and intended pad window.
Racing Series — Circuit
Front Axle
6-Piston Monoblock
Ø355 / 378 / 390 mm
18 in Wheel Min.
Track / Competition
Why Builders Choose the TR65
The TR65 is built for competition cars that need stable front brake torque, repeatable pedal feel, and serviceable hardware across circuit, drift, rally, time attack, and endurance use. Rotor diameter, pad compound, line fittings, and bracket geometry are matched to the vehicle, wheel package, and use case before the kit ships.
Staggered 6-Piston Bore
27 / 32 / 38 mm pistons distribute clamp load evenly across the pad face for consistent wear, stable μ, and clean release off the pedal.
Two-Piece Floating Rotors
Heat-treated high-carbon iron friction rings on aluminum hats. Replaceable rings cut long-term running cost on heavy track programs.
Race Pad Window
Standard Track Pad runs 0–600 °C with μ ≈ 0.38; Racing Pad Option B runs 0–750 °C with μ ≈ 0.45.
Vehicle-Specific Engineering
Rotor diameter, pad compound, line fittings, and bracket geometry are matched to the vehicle, wheel, and use case before the kit ships.
Competition Service Logic
Racing pistons without dust boots require regular inspection, cleaning, and seal service for track, drift, rally, and closed-course use.
Technical Specifications & Kit Options
| Brake Caliper | |||
|---|---|---|---|
| Series | Racing Series — Circuit | ||
| Model / Application | TR65 | ||
| Axle Position | Front | ||
| Piston Count | 6-piston | ||
| Piston Type | Racing pistons, no dust boots | ||
| Piston Diameter | 27 mm × 2 / 32 mm × 2 / 38 mm × 2 | ||
| Total Piston Area | 50.10 cm² per caliper, all pistons combined | ||
| Caliper Dimensions | 292 mm × 182.3 mm × 79.3 mm | ||
| Construction | Monoblock forged aluminum body | ||
| Net Weight | 3.05 kg per caliper, without pads | ||
| Surface Finish | Nickel-plated | ||
| Recommended Wheel Size | 18 in or larger | ||
| Recommended Rotor Size | Ø355–390 mm × 36 mm | ||
| Caliper Mounting | Radial mount with vehicle-specific caliper brackets | ||
| Brake Rotor Options | |||
| Rotor Diameter | 355 mm | 378 mm | 390 mm |
| Rotor Material | Heat-treated high-carbon cast iron or Racing Steel Option B | Heat-treated high-carbon cast iron or Racing Steel Option B | Heat-treated high-carbon cast iron or Racing Steel Option B |
| Axle Position | Front | Front | Front |
| Rotor Dimensions | Ø355 mm × 36 mm | Ø378 mm × 36 mm | Ø390 mm × 36 mm |
| Construction | Two-piece rotor assembly | Two-piece rotor assembly | Two-piece rotor assembly |
| Ventilation | Internally vented | Internally vented | Internally vented |
| Rotor Hats | Application-specific alloy rotor hats | Application-specific alloy rotor hats | Application-specific alloy rotor hats |
| Mounting Style | Fixed or floating, size / vehicle dependent | Fixed or floating, size / vehicle dependent | Fixed or floating, size / vehicle dependent |
| Directional Design | Yes — left/right specific | Yes — left/right specific | Yes — left/right specific |
| Face Pattern | Curved slot / Grain Slot / Wave Slot / Drilled-slotted; Option B: Wave Slot | Curved slot / Grain Slot / Wave Slot / Drilled-slotted; Option B: Wave Slot | Curved slot / Grain Slot / Wave Slot / Drilled-slotted; Option B: Wave Slot |
| Recommended Use | Lighter cars or tighter wheel packages | Balanced choice for club track and time attack | Maximum torque and thermal mass for long sessions and heavy cars |
| Brake Pad Options | |||
| Pad Option | Standard Track Pad | Racing Pad Option B | |
| Compatible Rotor | Iron / steel rotors only | Iron / steel rotors only | |
| Operating Temperature | 0–600 °C | 0–750 °C | |
| Average Friction Coefficient | μ ≈ 0.38 | μ ≈ 0.45 | |
| Recommended Use | Club track, time attack, and lower sustained heat demand | Endurance, heavy braking zones, and higher sustained temperature use | |
| Lines, Brackets & Service | |||
| Brake Line Construction | Three-layer construction | ||
| Brake Line Material | PTFE inner liner / SUS304 stainless braid / PVC protective sheath | ||
| Caliper Brackets | Vehicle-specific radial-mount caliper brackets, CNC-machined per vehicle hub geometry | ||
| Rotor Hats | Application-specific alloy rotor hats matched to front hub location and rotor offset | ||
| Brake Line Fittings | Caliper-side and chassis-side fittings are vehicle-specific | ||
| Wheel Clearance | 18 in or larger wheel required; final clearance depends on spoke profile, offset, rotor diameter, and bracket package | ||
| Competition Use Notice | Racing pistons without dust boots require regular inspection, cleaning, and seal service | ||
| Bedding-In Procedure | Required before hard use to set transfer film and seat the pad | ||
Larger rotor diameter increases torque and thermal mass but requires sufficient wheel clearance. Confirm wheel spoke geometry before selecting Ø378 or Ø390 mm. μ varies with temperature, line pressure, and rotor condition.
Package List
Calipers ×2
2 × TR65 front monoblock forged 6-piston calipers with nickel-plated finish.
Brake Pads
Brake pads for both front calipers, selected from Standard Track Pad 0–600 °C or Racing Pad Option B 0–750 °C compound.
Brake Rotors ×2
2 × two-piece internally vented front rotors, selected from Ø355 / 378 / 390 mm × 36 mm, left/right specific.
Caliper Brackets ×2
Vehicle-specific radial-mount caliper brackets for correct front caliper position and alignment.
Rotor Hats ×2
Application-specific alloy rotor hats matched to front hub location and rotor offset.
Brake Hoses ×2
Three-layer stainless-steel braided front brake lines with PTFE inner liner, SUS304 stainless braid, and PVC protective sheath.
The Bespoke Engineering Process
Every TR65 front 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, wheel package, 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 gives the driver repeatable pedal behavior under sustained track, drift, rally, or endurance use.
1. Technical Consultation
We review the chassis, front suspension and knuckle setup, wheel size, wheel offset, tire package, intended use, rear brake pairing, pad window, competition use, and whether the car uses OEM or custom front uprights.
2. Data Submission
For OEM knuckles, provide vehicle, year, hub spec, wheel data, and intended use. For custom uprights, motorsport hub conversions, or non-OE rotor offsets, provide CAD files, drawings, hub-face data, rotor mounting dimensions, or accurate bracket mounting-point measurements.
3. Engineering Review & Approval
TTSPORT confirms rotor diameter, bracket geometry, rotor hat offset, brake-line fittings, pad compound, wheel clearance, and bedding requirements before production begins.
If you are unsure whether your wheel, front knuckle, rotor offset, rear brake pairing, pad window, or brake line routing is suitable, Contact us before ordering so the engineering team can review the build details.
Installation & Break-In
- Every TR65 kit ships with vehicle-specific radial-mount caliper brackets and matched brake-line fittings.
- Rotor diameter, pad compound, line fittings, and bracket geometry are confirmed according to vehicle, wheel, and use case before shipping.
- Pick the largest diameter your wheel clears; bigger rotors add torque and thermal mass for long sessions and heavy cars.
- Choose 355 mm for lighter cars or tighter wheel packages.
- Choose 378 or 390 mm when higher thermal capacity is required and wheel clearance allows.
- TR65 calipers use racing pistons without dust boots and require regular inspection, cleaning, and seal service.
- Bedding-in procedure is required before hard use to set transfer film and seat the pad.
Frequently Asked Questions
Is the TR65 street legal?
The TR65 is a competition-focused front BBK with race pistons and no dust boots. It is intended for track, drift, rally, and closed-course use. Street use is at the owner's discretion and requires accepting more frequent service.
Which rotor size should I pick — 355, 378, or 390 mm?
Pick the largest diameter your wheel clears. Bigger rotors add torque and thermal mass for long sessions and heavy cars; 355 mm suits lighter cars or tighter wheel packages.
What is the difference between the standard and racing pad?
The standard pad runs 0–600 °C with μ ≈ 0.38 — a good window for club track and time attack. The racing pad runs 0–750 °C with μ ≈ 0.45 — more bite and heat capacity for endurance and heavy braking zones.
What wheel size do I need?
18 in or larger. Final clearance depends on wheel spoke profile and offset, especially with the 378 and 390 mm rotors. Send a wheel spec or template before ordering.
Are the rotors directional?
Yes. Both the standard and racing rotors are left/right specific to optimize vane pumping and cooling airflow. Install per the marked side.
How is fitment confirmed for my car?
Provide vehicle, year, hub spec, and wheel data. TTSPORT builds the bracket geometry and brake-line fittings around your car. Contact the team with your build details to start.
Spec your TR65 build
Tell us the car, the wheel, and how you'll use it. TTSPORT will confirm rotor size, bracket geometry, pad compound, rotor hat offset, and line fittings before the kit ships.
Care Guide
xBrake Kits · Fitment · Installation · Care Guide
Brake Kit Care Guide
A brake kit is not just a pair of larger calipers. Calipers, rotors, pads, hoses, brackets, rotor hats, mounting hardware, brake fluid, wheel clearance, and bedding procedure all work together as one system.
This guide explains how to confirm the right TTSPORT brake kit before ordering, what to check before installation, and how to care for the system after installation.
1. Before Ordering: Confirm the Full Vehicle Setup
Do not order a brake kit by vehicle name alone. The correct kit depends on the vehicle, axle position, wheel package, driving use, and brake system layout.
- Vehicle year, make, model, trim, market version, and chassis code if available
- Front or rear axle position
- Current brake rotor diameter, thickness, and caliper type if known
- Wheel diameter, width, offset, spoke shape, and inner barrel clearance
- Tire size and vehicle weight changes from armor, cargo, towing equipment, or track setup
- Driving use: daily street, towing, mountain driving, off-road, HPDE, rally, drift, track, or competition
- Whether the vehicle uses electronic parking brake, brake pad wear sensors, ABS / ESC systems, or special hydraulic routing
Brake kits are application-specific. A visually similar kit can still have the wrong rotor offset, bracket geometry, hose fitting, caliper position, or wheel clearance requirement.
2. Understand What Type of Brake Kit You Are Ordering
Different TTSPORT brake kit series use different hardware layouts. Always confirm what the kit includes before purchase.
Direct-Mount Kits
Use direct-mount calipers and one-piece rotors where specified. These kits do not use rotor hats or caliper brackets unless the final product page clearly states otherwise.
Two-Piece Rotor Kits
Use separate friction rings and rotor hats. Hat offset, ring bolt pattern, hardware style, and rotor direction must be matched correctly.
Racing / Custom Kits
May require bespoke brackets, rotor hats, brake lines, and engineering confirmation based on knuckle, hub, wheel, and competition use.
Off-Road / Heavy Vehicle Kits
Require extra attention to wheel clearance, tire size, vehicle load, descent control, hose routing, and dust / water exposure.
Do not assume every brake kit includes the same parts. Package contents vary by product series, vehicle application, and final order configuration.
3. Confirm the Kit Specification Before Payment
Before finalizing the order, review the kit specification carefully. Confirm the brake kit is matched to your vehicle and wheel setup, not only to the model name.
- Confirm vehicle application and axle position
- Confirm caliper model, piston count, and caliper color if applicable
- Confirm rotor diameter, rotor thickness, rotor construction, and left / right direction if applicable
- Confirm brake pad compound and intended use
- Confirm brake hose fitting type and routing compatibility
- Confirm whether caliper brackets, rotor hats, mounting hardware, wear sensors, or brake fluid are included
- Confirm minimum wheel diameter and spoke clearance requirement
- Confirm lead time, shipping method, and final invoice details
If any part is not listed in the final order or product page, do not assume it is included.
4. Before Installation: Inspect the Complete Kit
Inspect every component before installation. Do not modify, grind, drill, stretch, force, or space brake kit components to make them fit.
- Check all received parts against the order confirmation
- Inspect calipers, rotors, brackets, hats, hoses, pads, and hardware for shipping damage
- Confirm left / right caliper and rotor orientation where applicable
- Confirm rotor size, pad shape, hose fittings, bracket layout, and hardware style before installation
- Clean all mounting faces before assembly
- Confirm torque values, bedding procedure, fluid type, and bleeding procedure before starting work
- Use a qualified brake technician for installation
Safety: Brake kits affect braking force, hydraulic sealing, heat control, wheel clearance, and vehicle stability. Do not install the kit if fitment, torque, direction, clearance, or compatibility is unclear.
5. Installation Checks
Correct installation is as important as the brake kit itself. A properly engineered kit can still perform poorly if installed with dirty mounting faces, incorrect torque, poor hose routing, or trapped air in the hydraulic system.
Caliper Position
Verify caliper centering over the rotor and confirm even pad sweep across the friction surface.
Rotor Orientation
Confirm left / right rotor direction if the rotor uses directional vanes or directional face pattern.
Brake Hose Routing
Check brake hose length and routing at full steering lock and full suspension travel. No twisting, rubbing, stretching, or kinking.
Wheel Clearance
Check caliper-to-spoke and caliper-to-barrel clearance before road use. Wheel diameter alone is not enough.
Brake Fluid & Bleeding
Use the correct brake fluid type and bleed the system until pedal feel is firm and consistent.
Hardware Security
Torque all brake hardware to the specified value. Do not reuse damaged, unknown, stretched, or corroded safety-critical fasteners.
6. Bedding and First Heat Cycle
Brake pads and rotors need a controlled bedding process before full performance is available. Bedding helps create an even transfer layer on the rotor surface, improving bite, pedal consistency, and vibration resistance.
- Follow the bedding procedure supplied with the exact pad and rotor compound
- Use moderate heat first unless the supplied procedure requires otherwise
- Do not start with emergency stops on a fresh pad / rotor setup
- Avoid holding the brake pedal while stopped on very hot pads and rotors
- Allow the brakes to cool after bedding
- After the first heat cycle, inspect pad contact, rotor surface, hose routing, hardware security, and fluid leaks
Street pads, race pads, iron rotors, two-piece rotors, and carbon ceramic rotors may require different bedding procedures. Use the procedure supplied with the specific kit.
7. Initial Break-In Period
After installation and bedding, give the system a short break-in period before aggressive use. Pedal feel, pad contact, dust output, and noise may continue to settle after the first drives.
- Avoid repeated emergency stops unless required for safety
- Avoid hard track use until bedding and inspection are complete
- Monitor pedal feel, vibration, noise, smell, and rotor surface appearance
- Recheck for fluid leaks after the first road test
- Recheck torque where the kit instructions require post-heat-cycle inspection
- Contact TTSPORT if brake feel changes suddenly after installation
8. Routine Care and Inspection
Brake kits need regular inspection, especially after track use, off-road use, towing, mountain driving, winter salt exposure, or any brake service.
- Inspect brake pads for uneven wear, taper, glazing, cracking, or backing-plate damage
- Inspect rotors for cracks, heavy scoring, hot spots, minimum thickness, and runout
- Inspect calipers for fluid seepage, piston movement, dust boot damage, and uneven pad retraction
- Inspect brake hoses for rubbing, cuts, swelling, leaks, and fitting corrosion
- Inspect brackets, rotor hats, and mounting hardware for cracks, fretting, corrosion, or loosening
- Check brake fluid level, color, service age, and boiling-point suitability for your driving use
- Clean brake dust from wheels and calipers regularly, especially after wet, salty, or track conditions
9. Care by Use Case
Daily Street
Inspect pads, rotors, fluid level, and hose condition during normal service intervals. Prioritize quiet operation, smooth pedal feel, and even wear.
Towing & Mountain Roads
Check pad thickness, rotor surface condition, and fluid condition more often. Long descents create sustained heat even without track use.
Off-Road
Inspect for mud, sand, stone impact, hose abrasion, dust boot damage, and caliper contamination after trail use.
Track / HPDE
Inspect pads, rotors, fluid, and hardware before and after every event. Track heat shortens service intervals.
Drift / Competition
Check rear brake temperature, hydraulic handbrake behavior, pad wear, rotor cracking, and hardware condition frequently.
Carbon Ceramic
Use only compatible pads and approved bedding procedures. Inspect rotor surface condition carefully and avoid incompatible friction materials.
10. Stop Driving If You Notice These Symptoms
Do not continue driving if the brake system shows any of the following symptoms. Inspect the system or contact a qualified brake technician before using the vehicle again.
- Soft pedal, sinking pedal, or sudden increase in pedal travel
- Brake fluid leak or wetness near a line, caliper, fitting, or master cylinder
- Grinding, scraping, severe vibration, or heavy brake judder
- Vehicle pulling strongly to one side under braking
- Burning smell after light driving
- Loose wheel, rotor, caliper, bracket, or hardware noise
- Brake warning light, ABS warning light, or traction-control fault after brake work
Need help confirming brake kit setup or care?
Send your vehicle details, brake kit series, wheel specs, driving use, photos, and any symptoms you notice. TTSPORT will help confirm fitment, installation checks, and the correct care path for your brake kit.
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