High-Carbon Cast Iron
Heat-treated high-carbon cast iron improves thermal stability and damping compared with basic gray-iron replacement rotors.
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Description
Knurled Dacromet High-Carbon Steel Brake RotorBrake Rotor Friction Ring High Carbon Cast Iron Two Piece Rotor Service Knurled Dacromet High Carbon Cast Iron Brake Rotor Friction Ring TTSPORT knurled Dacromet high carbon cast iron brake rotor friction rings are custom machined rotor discs for compatible two piece brake rotor assemblies. They are built for drivers who want stronger thermal stability, cleaner pad transfer, and better repeatability than a basic factory style one piece rotor can
Brake Rotor Friction Ring · High-Carbon Cast Iron · Two-Piece Rotor Service
Knurled Dacromet High-Carbon Cast-Iron Brake Rotor Friction Ring
TTSPORT knurled Dacromet high-carbon cast-iron brake rotor friction rings are custom-machined rotor discs for compatible two-piece brake rotor assemblies. They are built for drivers who want stronger thermal stability, cleaner pad transfer, and better repeatability than a basic factory-style one-piece rotor can provide.
Heat-treated high-carbon cast iron, a knurled bedding surface, internal ventilation, and Dacromet anti-corrosion protection make these rings a strong upgrade for performance street driving, canyon roads, and weekend track use when paired with the correct rotor hat, mounting hardware, and pad compound.
Why a Two-Piece High-Carbon Ring
Knurled Friction Face
The cross-knurled bedding pattern helps the pad establish a more even transfer layer during break-in.
Dacromet Protection
Non-friction surfaces are protected with Dacromet anti-corrosion coating to help reduce rust on vanes, edges, and mounting areas.
Two-Piece Rotor Format
The friction ring is designed to work with a separate rotor hat, allowing ring replacement when the hat remains within service specification.
Designed for Heat Management
- Internally vented ring structure promotes airflow through the rotor for faster cool-down between braking events.
- High-carbon cast iron helps damp vibration and supports quieter braking behavior than a basic untreated gray-iron rotor.
- Two-piece compatibility allows the friction ring and hat to be matched around vehicle hub offset, caliper centerline, and hardware style.
- Floating-style mounting behavior depends on the matching hat and hardware design; confirm the correct hardware before assembly.
- Serviceable format allows worn friction rings to be replaced while reusing compatible aluminum hats when the hats remain undamaged and within specification.
Friction Ring Only
This listing is for the brake rotor friction ring only. To build a complete two-piece rotor assembly, pair this ring with compatible TTSPORT billet aluminum rotor hats and the correct mounting hardware. Confirm ring diameter, thickness, vane direction, bolt count, bolt-circle pattern, and hardware style before purchase.
Specifications
| Brake Rotor Friction Ring | |
|---|---|
| Component | Two-piece brake rotor friction ring / rotor disc only |
| Material | Heat-treated high-carbon cast iron |
| Friction Face | Knurled bedding pattern |
| Coating | Dacromet anti-corrosion protection on non-friction surfaces |
| Construction | Internally vented, two-piece rotor compatible |
| Intended Use | Performance street, canyon driving, light track use |
| Rotor Hat | Sold separately; compatible billet aluminum hat required |
| Mounting Hardware | Sold separately unless specified on the final order |
| Sizing | Custom-machined per order; confirm diameter, thickness, vane direction, and bolt pattern |
Specs reflect the friction ring only. Final dimensions depend on the configuration selected at order.
This product page describes brake rotor friction rings only. Rotor hats, rotor hat bolts, bobbins, nuts, washers, brake pads, calipers, brake hoses, brake fluid, and complete two-piece rotor assemblies are not included unless separately specified on the final order.
Fitment Check Before Ordering
- Confirm friction ring outside diameter and overall thickness.
- Confirm left/right vane direction if the rotor uses directional ventilation.
- Confirm hat-to-ring bolt count, bolt-circle diameter, bolt diameter, and hardware style.
- Confirm whether the assembly uses fixed hardware, floating bobbins, or another TTSPORT-approved mounting format.
- Confirm rotor hat offset and caliper centerline before changing ring size or ring thickness.
- Confirm pad compound compatibility for performance street, canyon, or light track use.
Application-specific part: Do not order by diameter alone. Ring thickness, vane direction, bolt pattern, mounting hardware, and hat offset must match the target assembly.
Installation Notes
- Bed-in is required. Follow the pad manufacturer's bedding procedure to deposit a uniform transfer layer.
- Use new, matched hardware when assembling the ring to the hat unless the rotor manufacturer specifically approves hardware reuse.
- Torque mounting hardware to the specified value in the required sequence. Do not guess torque values.
- Clean the rotor hat mounting face, friction ring mounting face, and hardware contact areas before assembly.
- Inspect ring thickness, surface condition, heat checking, and runout periodically.
- Replace the ring before it reaches minimum thickness or shows unsafe cracking, heavy scoring, or abnormal wear.
- Pair with a pad compound suited to the use case: street, mixed-use, or light track.
Safety: Two-piece rotor assembly work should be performed by a qualified brake technician. Incorrect hardware, torque, ring direction, or hat compatibility can cause rotor misalignment or brake failure.
Service Expectations
- High-carbon cast iron improves thermal stability, but it does not make the ring immune to cracking or wear.
- Light heat checking can occur in performance use; growth rate and crack depth must be inspected during service.
- Weekend track use requires more frequent thickness, runout, and surface-condition checks than street use.
- Dacromet coating protects non-friction areas; any coating or residue on the pad path will wear through during initial braking.
- If switching to a different pad compound, clean, resurface, or replace the rotor as needed to avoid incompatible transfer layers.
Need help confirming friction ring fitment?
Send your current rotor diameter, thickness, vane direction, bolt count, bolt-circle pattern, rotor hat photos, caliper model, and pad compound. TTSPORT will help confirm the correct friction ring before ordering.
Frequently Asked Questions
Is this a complete rotor or just the ring?
This is the friction ring only. You need a compatible aluminum rotor hat and matching mounting hardware to build a complete two-piece rotor assembly.
What is the benefit of high-carbon cast iron over standard gray iron?
High-carbon cast iron improves thermal stability and vibration damping compared with basic gray iron. That supports more consistent pedal feel, quieter braking behavior, and improved resistance to heat-related cracking when the ring is bedded and used correctly.
What does the knurled friction face do?
The knurled bedding pattern helps the pad establish an even transfer layer during break-in. A stable transfer layer improves initial bite, pedal consistency, and smooth brake feel.
Will the Dacromet coating wear off the friction surface?
Dacromet protection is intended for non-friction areas such as vanes, edges, and mounting surfaces. Any coating or residue on the pad contact path will wear through during initial braking and bedding.
Can I use these rings on a track car?
They are suitable for performance street, canyon, and light weekend track use when paired with the correct pad compound, rotor hat, mounting hardware, cooling, and service interval. Dedicated race programs may require a more aggressive rotor and pad setup.
How do I confirm fitment?
Confirm friction ring diameter, thickness, vane direction, hat bolt pattern, bolt count, hardware style, and rotor hat offset against your existing assembly. Contact TTSPORT with your build details if you need help specifying the correct ring.
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
4.8 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Very nice kit: Beware it is NOT heavy duty plumbing pipe though!
Size: side table leg
I want to give this kit a high rating, but I need to address the "truth in advertising" bit since there may be an important disconnect between what you think you are getting and what actually comes in the box.
Black plumbing used for shelving or table legs is part of an important niche in interior design. I like the industrial loft look myself and have a variety of glass, steel, and masonry elements in my home. This kit fits that look and provides plenty of "strength" for most domestic uses, like shelves or coffee tables. But they are NOT "industrial pipe" or "maximum durability pipe." Note the phrase "cast iron finish feet," which together with the other claims might lead you to think these are cast plumbing fittings. They are NOT!
The feet and flanges feel like electrical conduit fittings, and the pipe sections are likely aluminum. They might be electrical or they might be multi-use, lightweight pipe.
While all this might lead you to think that you're getting a truly retro, heavy-duty pipe kit made of black plumbing pipe, you are not. But, does it matter? Depends. I find the lighter pipe's smooth finish a nice "tone-down" from the rough plumbing look. All together, this kit provides plenty of strength for most furniture and the rustic pipe look, but with a nicer, lighter finish. To me that is a plus--this is a very nice kit and costs less that if you'd pieced it together from real plumbing parts (I priced it out to compare), and looks retro but cleaner. I knew what to expect because while I got this kit free on Vine, I had purchased a nearly identical kit from another seller last year.
So, I'm giving it 5 stars for what it actually is and for the price, JUST BE AWARE THE NARRATIVE IS MISLEADING. Which is unfortunate because just like some people might want the heavier pipe, I'm betting more would be attracted to the look with a cleaner, lighter feel.
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Reviewed in the United States on December 31, 2025
★★★★★ 5
Strong legs, somewhat industrial but trendy also
Size: side table leg
Good legs, some what utilitarian or industrial, they are strong as they are made out of pipe, and assembly is fairly easy once you get the idea of how it goes together. They are roughly 1.5 feet across maybe a bit less adjustable height on each leg, if you have wood floors you may want to put a pad under each leg as they are full metal pipes. Pretty interesting idea and does not cost much.
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Reviewed in the United States on May 31, 2026
★★★★★ 4
Pretty good, take your time and install it well
Size: side table leg
Materials are pretty solid, but once assembled it’s not as sturdy as you would think it should be since the material itself was solid, i say give them a chance, everything out there that’s similar is way over priced
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Heavy duty legs for table.
Size: side table leg
Perfect legs for a table I am having made. I have an cottonwood slice. It's heavy and needed something substantial.
These are perfect.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Robust pipe & fittings with a beautiful, smooth black finish
Size: side table leg
This set of pipe & fittings for use as low table legs is heavy duty and aesthetically pleasing. Especially when the pieces are handled, the tactile sensation is much nicer than with plumbing steel pipe because this product is beautifully finished smooth. The black pipes are quite smooth as well as the fittings.
The pieces are all also pretty robust, though the wall thicknesses are less than in pipe for pressurized water systems. Of course that makes sense as this product does not need to hold fluid pressure.
In my view they got the heaviness factor of this product just right; it's not as heavy or robust as black pipe used in natural gas supplies, but still robust and pretty heavy. Assembled, this product is absolutely stiff and unyielding for a solid table that could hold a man's weight easily.
The feet utilize a brilliant scheme so that each foot can be independently adjusted for an uneven floor. Thus a level table on an uneven floor is easily accomplished. The feet simply extend the effective leg length by screwing counter-clockwise. To prevent any shifting at the threads adding some pipe compound or teflon tape may be advised. Even masking or duct tape might work as the idea is to just fill any gaps where male threads meet female threads.
The four flanges at the tops of the legs provide a wide, solid surface for attaching the table top, with either hidden screws underneath or you could through-bolt a glass table top (provided you have the skill to drill glass!). I think this product would look great with a glass top.
Assembly is quick and easy. The hardest part is drilling holes underneath the table top to accept screws. No pipe wrenches are needed as the pieces screw together by hand to an adequate tightness. If any doubt whether they are tightened enough have a strong person with grippy gloves finish. The "X" in the center attaches to the legs with a very clever machine screw system tightened with the included hex wrench. This is presumably because if tightened simply by screwing the fittings, the point of snugness would not likely be where the "T" fittings are exactly vertical. The maker has solved this problem so that you are assured that all legs will be in the perfect vertical position once everything is tight. The setup is also nice and rigid once tightened. This is a huge benefit of steel pipe projects; they are really solid.
The black finish is clearly very durable, like a powder coat. It appears that it will provide excellent protection against rust. Coverage is complete; I found no dings or scratches anywhere on any piece.
Overall this is a very well-designed product for function and aesthetics. Perfect for a beautifully renovated warehouse condo where an industrial vibe is desired in a rock-solid table that won't shift around. The smoothness of the pipe is top notch. I've used lots of pipe in projects, some of it actual water pipe and some decorative pipe such as this. I've never seen better quality decorative pipe as this maker put in the effort to finish it beautifully smooth. At currently $34.99 I find the price quite reasonable too.
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Reviewed in the United States on April 18, 2026
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