Slim 6-Piston Architecture
Two-piece forged aluminum body measures just 121.6 mm wide and 74.9 mm tall, helping it tuck behind tighter wheel designs that won't clear a deeper monoblock caliper.
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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
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Description
Slim SL6S Front Wheel 6-Piston Big Brake KitSlim Series Front Axle 6 Piston Slim SL6S Front 6 Piston Big Brake Kit The TTSPORT Slim SL6S is a slim profile 6 piston front big brake kit built for drivers who need real stopping power behind 15 inch and larger wheels. Forged aluminum calipers, staggered pistons, and a 285295 mm two piece rotor deliver firm pedal feel, strong bite, and repeatable stops on the street, canyon, and track day pit lane. Why Builders Choose the SL6S Slim 6 Piston
Slim Series · Front Axle · 6-Piston
Slim SL6S Front 6-Piston Big Brake Kit
The TTSPORT Slim SL6S is a slim-profile 6-piston front big brake kit built for drivers who need real stopping power behind 15-inch and larger wheels. Forged aluminum calipers, staggered pistons, and a 285–295 mm two-piece rotor deliver firm pedal feel, strong bite, and repeatable stops on the street, canyon, and track day pit lane.
Why Builders Choose the SL6S
Staggered Piston Bore
28 mm, 30 mm, and 36 mm pistons (46.8 cm² total area) are sized front-to-rear across the pad to balance pressure, reduce taper wear, and sharpen modulation at the pedal.
Heat-Managed Pistons
One-piece heat-insulated pistons with dust boots slow heat transfer into the brake fluid, protecting pedal feel during repeated heavy stops.
High-Carbon Two-Piece Rotors
Heat-treated high-carbon cast iron faces on CNC-machined aluminum hats. Internally vented, directional, left/right specific, with curved slot, grain, wave, or drilled-and-slotted face options.
Technical Specifications & Kit Options
| Brake Caliper | ||
|---|---|---|
| Series | Slim Series | |
| Model / Application | SL6S | |
| Axle Position | Front | |
| Piston Count | 6-piston | |
| Piston Type | One-piece heat-insulated pistons | |
| Piston Diameter | 28 mm × 2 / 30 mm × 2 / 36 mm × 2 | |
| Caliper Dimensions | L 268.5 mm × W 121.6 mm × H 74.9 mm | |
| Total Piston Area | 46.8 cm² per caliper, all pistons combined | |
| Manufacturing Process | Two-piece forged aluminum body | |
| Net Weight | 1.96 kg per caliper, without pads | |
| Surface Finish | High-temperature gloss coating | |
| Recommended Wheel Size | 15 in or larger | |
| Recommended Rotor Size | Ø285–295 mm × 28 mm | |
| Brake Rotor Options | ||
| Rotor Option | 285 mm Rotor | 295 mm Rotor |
| Rotor Material | Heat-treated high-carbon cast iron | Heat-treated high-carbon cast iron |
| Axle Position | Front | Front |
| Rotor Dimensions | Ø285 mm × 24 mm | Ø295 mm × 24 mm |
| Construction | Two-piece rotor assembly | Two-piece rotor assembly |
| Ventilation | Internally vented | Internally vented |
| Rotor Mounting | Fixed or floating, depending on rotor size & vehicle application | Fixed or floating, depending on rotor size & vehicle application |
| Directional Design | Yes — left/right specific | Yes — left/right specific |
| Rotor Face Pattern | Curved slot / Grain Slot / Wave Slot / Drilled and slotted | Curved slot / Grain Slot / Wave Slot / Drilled and slotted |
| Brake Pads | ||
| Compatible Rotor Material | Iron / steel rotors only | |
| Operating Temperature Range | 0–600 °C | |
| Average Friction Coefficient | μ ≈ 0.38; varies with temperature, line pressure, and rotor condition | |
| Lines | ||
| Brake Line Construction | Three-layer reinforced | |
| Brake Line Material | PTFE inner liner / SUS304 stainless-steel braid / PVC outer sheath | |
| Brake Line Fittings | Vehicle-specific; caliper-side and chassis-side vary by application | |
| Brackets | ||
| Rotor Hat Manufacturing Process | CNC-machined | |
| Rotor Hat Material | High-strength aluminum alloy | |
| Caliper Bracket Manufacturing Process | CNC-machined | |
| Caliper Bracket Material | Carbon steel | |
| Caliper Mounting Type | Radial mount with vehicle-specific caliper brackets | |
| Fitment & Installation | ||
| Minimum Spoke Clearance | 75 mm | |
| Recommended Wheel Size | 15 in or larger | |
| Caliper Envelope | L 268.5 × W 121.6 × H 74.9 mm | |
| Rotor Envelope | Ø285 or Ø295 mm × 24 mm | |
| Bedding-In Procedure | Required before aggressive use | |
The SL6S supports Ø285 mm and Ø295 mm front rotors, both 24 mm thick. The 295 mm option offers more thermal mass for heavier vehicles or repeated hard stops; the 285 mm option suits tighter wheel packages.
Package List
Calipers ×2
2 × SL6S forged 6-piston front calipers (left/right)
Brake Pads
1 set high-temp performance brake pads for both front calipers
Brake Rotors ×2
2 × Two-piece front rotors (Ø285 or Ø295 mm × 24 mm) with CNC aluminum hats
Caliper Brackets ×2
CNC carbon-steel caliper mounting brackets
Rotor Hats ×2
Two CNC aluminum rotor hats
Brake Hoses ×2
2 × Stainless-steel braided brake lines with vehicle-specific fittings
Mounting hardware is included.
Will It Fit? Your 3-Step Check
Before ordering, confirm your wheels meet the SL6S clearance window. Tight wheel designs may require a 3–5 mm hub-centric spacer. Send us a wheel photo if you're unsure.
1. Wheel Diameter
Wheel diameter 15 in or larger.
2. Spoke Clearance
Minimum spoke clearance 75 mm from hub face.
3. Vehicle Model
The SL6S uses radial-mount vehicle-specific brackets and application-specific brake-line fittings. Contact us with your year, make, model, and trim before checkout so we ship the correct bracket and line set.
Caliper envelope: L 268.5 × W 121.6 × H 74.9 mm. Rotor envelope: Ø285 or Ø295 mm × 24 mm.
Installation & Break-In
- The SL6S uses radial-mount vehicle-specific brackets and application-specific brake-line fittings.
- Contact us with your year, make, model, and trim before checkout so we ship the correct bracket and line set.
- A proper bed-in transfers a thin, even layer of pad material onto the rotor face.
- Skipping bedding-in risks uneven deposits, vibration, and reduced bite.
- Follow the included procedure before any aggressive driving or track use.
Frequently Asked Questions
Will the SL6S fit my wheels?
The kit requires a 15-inch or larger wheel with at least 75 mm of spoke clearance from the hub face. The caliper itself measures 268.5 × 121.6 × 74.9 mm. If you're unsure, send us a clear photo of your wheel's inner barrel and we'll confirm.
What rotor size should I pick?
The SL6S supports Ø285 mm and Ø295 mm front rotors, both 24 mm thick. The 295 mm option offers more thermal mass for heavier vehicles or repeated hard stops; the 285 mm option suits tighter wheel packages.
Why a 6-piston with staggered bores?
The 28 / 30 / 36 mm piston layout sizes the bores across the pad face so leading and trailing edges see balanced clamp pressure. The result is more even pad wear and sharper modulation than a same-size 6-piston design.
Is this kit street legal and street friendly?
Yes. The included pad has a 0–600 °C operating range and an average μ of 0.38, so it bites cold for daily driving and stays composed during spirited canyon or track-day use.
Do I need to confirm vehicle fitment before ordering?
Yes. The SL6S uses radial-mount vehicle-specific brackets and application-specific brake-line fittings. Contact us with your year, make, model, and trim before checkout so we ship the correct bracket and line set.
Can I run this on the rear axle too?
The SL6S is configured as a front-axle kit. For a balanced upgrade, pair it with a matching TTSPORT rear kit so brake bias stays correct.
Ready to spec your SL6S build?
Our team confirms wheel clearance, bracket spec, and brake line routing before your order ships. Browse real customer installs or talk to a brake specialist.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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★★★★★ 4
Great for travel
Style: Spray (2 Oz)
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Reviewed in the United States on August 11, 2025
★★★★★ 5
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Reviewed in the United States on April 25, 2026
★★★★★ 5
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Reviewed in the United States on July 22, 2024
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Reviewed in the United States on February 27, 2026