Direct-Mount Engineering
Vehicle-specific direct-mount geometry and brake-line fittings for the GWM Tank 300 front axle — no universal-bracket guesswork.
Email: sales@ttsport-racing.com
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Product Detail
xDirect-Mount Series · Front Axle · 6-Piston
2021-2026 GWM Tank 300 7642TK Direct-Mount Front Big Brake Kit
The TTSPORT 7642TK is a Direct-Mount Series front big brake kit engineered for 2021-2026 GWM Tank 300 builds. It pairs a 6-piston forged aluminum caliper with application-correct one-piece high-carbon rotors — Ø335 mm × 32 mm for ICE models and Ø345 mm × 32 mm for Hybrid models — plus stainless braided lines and vehicle-specific fittings for loaded trucks, larger tires, and repeated heavy braking.
Why GWM Tank 300 Builders Choose the 7642TK
Larger off-road tires, steel bumpers, drawers, recovery gear, and long descents all push more energy into the front axle than the stock setup is sized for. The 7642TK adds piston area, swept area, and rotor mass exactly where the Tank 300 needs it — the front — so pedal feel stays firm and fade resistance improves on repeated heavy stops.
6-Piston Forged Caliper
Two-piece forged aluminum body with 34 mm × 2 and 38 mm × 4 pistons, 63.5 cm² total piston area per caliper for stronger, more even clamp.
Application-Correct Rotor Size
Tank 300 ICE uses Ø335 mm × 32 mm front rotors, while Tank 300 Hybrid uses Ø345 mm × 32 mm front rotors.
Heat-Managed Pistons
One-piece heat-insulated pistons with dust boots help manage heat and contamination during repeated braking events.
Stainless Braided Lines
PTFE inner liner, SUS304 stainless braid, and PVC protective outer sheath help maintain a firmer pedal under load.
Loaded Truck Use
Built for loaded Tank 300 builds, larger tire packages, towing, trail use, and repeated heavy braking events.
7642TK Direct-Mount Technical Specifications & Kit Options
| Brake Caliper | |
|---|---|
| Series | Direct-Mount Series |
| Model / Application | 7642TK |
| Axle Position | Front |
| Piston Count | 6-piston |
| Piston Type | One-piece heat-insulated pistons with dust boots |
| Piston Diameter | 34 mm × 2 / 38 mm × 4 |
| Caliper Dimensions | L 272 mm × W 123 mm × H 153 mm |
| Total Piston Area | 63.5 cm² per caliper, all pistons combined |
| Manufacturing Process | Two-piece forged aluminum body |
| Net Weight | 3.8 kg per caliper, without pads |
| Surface Finish | High-temperature gloss coating |
| Recommended Wheel Size | 17 in or larger |
| Recommended Rotor Size | Ø335–345 mm × 32 mm |
| Brake Rotor | |
| Rotor Material | Heat-treated high-carbon cast iron |
| Axle Position | Front |
| Rotor Dimensions for This Application | ICE: Ø335 mm × 32 mm · Hybrid: Ø345 mm × 32 mm |
| Construction | One-piece rotor |
| Ventilation | Internally vented |
| Rotor Mounting | Fixed |
| Directional Design | Yes — left/right specific |
| Rotor Face Pattern | Wave Slot |
| Brake Pads | |
| Compatible Rotor Material | Iron / steel rotors only |
| Operating Temperature Range | 0–600 °C |
| Average Friction Coefficient | Average μ: 0.38; variation depends on temperature, line pressure, and rotor condition |
| Lines | |
| Brake Line Construction | Three-layer reinforced construction |
| Brake Line Material | PTFE inner liner / SUS304 stainless-steel braid / PVC protective outer sheath |
| Brake Line Fittings | Vehicle-specific fittings; caliper-side and chassis-side fittings vary by application |
| Vehicle Application & Rotor Mapping | |
| 2021-2026 GWM Tank 300 ICE | 335 mm × 32 mm |
| 2021-2026 GWM Tank 300 Hybrid | 345 mm × 32 mm |
| Fitment & Installation | |
| Primary Vehicle Application | 2021-2026 GWM Tank 300 ICE · 2021-2026 GWM Tank 300 Hybrid |
| Model Years | GWM Tank 300: 2021-2026 |
| Powertrain / Rotor Mapping | ICE: 335 mm × 32 mm · Hybrid: 345 mm × 32 mm |
| Axle | Front |
| Caliper Mounting Type | Direct mount |
| Minimum Wheel Size | 17 in or larger |
| Minimum Spoke Clearance | 94 mm |
| Brake Line Fitting Type | Vehicle-specific fittings; caliper-side and chassis-side fittings vary by application |
| Bedding-In Procedure | Required before hard use |
For 2021-2026 GWM Tank 300, the correct 7642TK rotor specification is Ø335 mm × 32 mm for ICE models and Ø345 mm × 32 mm for Hybrid models. Confirm 17 in or larger wheels and 94 mm minimum spoke clearance before ordering.
What’s Included in the 7642TK Direct-Mount Kit
Calipers ×2
2 × 7642TK 6-piston forged aluminum front calipers, left/right specific.
Brake Pads
Brake pads for both front calipers, rated 0–600 °C and intended for iron / steel rotors.
Brake Rotors ×2
2 × one-piece internally vented high-carbon front rotors, left/right specific. ICE uses Ø335 mm × 32 mm; Hybrid uses Ø345 mm × 32 mm.
Brake Hoses ×2
2 × three-layer stainless-steel braided brake lines with PTFE inner liner, SUS304 braid, PVC protective outer sheath, and vehicle-specific fittings.
Mounting Hardware
Vehicle-specific direct-mount hardware for GWM Tank 300 front-axle installation.
Direct-Mount Series uses one-piece rotors and direct-mount calipers. Rotor Hats and Caliper Brackets are not included because they are not used on this 7642TK application.
Will It Fit Your GWM Tank 300?
7642TK requires 17 in or larger wheels with at least 94 mm of spoke clearance. Wheel diameter alone is not enough; spoke shape, offset, and inner barrel profile must be checked before ordering.
1. Wheel Diameter
17 in or larger wheels are required.
2. Spoke Clearance
Minimum spoke clearance: 94 mm. Check spoke shape, offset, and inner barrel profile before ordering.
3. Vehicle Model
Application: 2021-2026 GWM Tank 300, front axle. ICE uses Ø335 mm × 32 mm; Hybrid uses Ø345 mm × 32 mm.
Not sure about wheel clearance, ICE / Hybrid rotor mapping, or trim fitment? Send your wheel specs and vehicle details so our team can verify before you order.
Installation & Bedding for GWM Tank 300
- This 7642TK kit is a front-axle Direct-Mount Series upgrade for 2021-2026 GWM Tank 300.
- The correct rotor specification is Ø335 mm × 32 mm for ICE models and Ø345 mm × 32 mm for Hybrid models.
- Vehicle-specific direct-mount hardware and stainless braided brake lines are included.
- Brake-line fittings vary by application; confirm trim, model year, and powertrain before ordering.
- Confirm 17 in or larger wheels and 94 mm minimum spoke clearance before ordering.
- Professional installation by a qualified brake technician is recommended.
- A proper bedding-in procedure is required to transfer pad material onto the rotor face and stabilize friction performance before hard use.
GWM Tank 300 7642TK Big Brake Kit FAQ
Will this 7642TK kit fit my 2021-2026 GWM Tank 300?
Yes. This 7642TK Direct-Mount front kit is engineered for 2021-2026 GWM Tank 300. ICE models use Ø335 mm × 32 mm front rotors, while Hybrid models use Ø345 mm × 32 mm front rotors.
What rotor size does my Tank 300 need?
2021-2026 GWM Tank 300 ICE models use Ø335 mm × 32 mm one-piece front rotors. 2021-2026 GWM Tank 300 Hybrid models use Ø345 mm × 32 mm one-piece front rotors.
What wheel size and spoke clearance are required?
17 in or larger wheels are required, with at least 94 mm minimum spoke clearance to the caliper. Wheel diameter alone is not enough; spoke shape, offset, and inner barrel profile must be checked before ordering.
Does this kit include rotor hats or caliper brackets?
No. This is a Direct-Mount Series 7642TK application with one-piece rotors and direct-mount calipers. Rotor Hats and Caliper Brackets are not used on this configuration.
Is this a front-only kit?
Yes. The 7642TK is a front-axle big brake kit with 6-piston calipers and application-specific front rotors.
Does it use the factory brake lines?
No. The kit includes three-layer stainless-steel braided brake lines with PTFE inner liner, SUS304 braid, PVC protective outer sheath, and vehicle-specific fittings.
Are the brake pads street-friendly?
Yes. The included pads operate from 0–600 °C with an average μ of 0.38, balancing daily driving, towing, and loaded SUV use on iron or steel rotors.
Is bedding-in required?
Yes. A proper bedding-in procedure is required after installation to transfer pad material evenly to the rotor face and stabilize friction performance before hard use.
Ready to spec your 7642TK Tank 300 build?
Not sure about wheel clearance, ICE / Hybrid rotor mapping, or trim fitment? Our team will verify before you order.
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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