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2 Piece Brake Rotors

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DBA 5000 Slotted T3 Brake Rotor Rings, each

  • $108.00 $836.00
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GiroDisc 2-Piece Slotted Performance Brake Rotors

  • $800.00 $1900.00
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Brembo GT Slotted Brake Rotors

  • $1695.00 $3095.00

DBA Slotted 5000 T3 2-Piece Brake Rotor, each

  • $198.00 $879.00
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Brembo GT Drilled Brake Rotors

  • $1695.00 $2595.00

EBC Replacement Rotor Ring

  • Sale $219.00 $465.00

DBA Slotted 5000 TS Racing 2 Piece Brake Rotor

  • $662.00
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DBA Drilled and Slotted 5000 XS 2 Piece Brake Rotor, each

  • $470.00 $806.00
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EBC 2-Piece Slotted Brake Rotors-Pair

  • Sale $118.00 $2244.00
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EBC 2-Piece Brake Discs BMW OE Replacement Smooth and Coated Rotors

  • Sale $403.00 $641.00
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Pagid 2-Piece Brake Rotors

  • $182.00 $278.00
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Wilwood 2-Piece ProMatrix Rotor Upgrade Kits

  • $244.00 $2539.00
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Brembo Racing 2-Piece Porsche Replacement Disc

  • $1895.00 $2795.00
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StopTech AeroRotor 2-Piece Rotor Kits - Pairs

  • $1052.00 $2168.00
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StopTech AeroRotor - Black Hat - Single

  • $530.00 $1081.00
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Items: 119 of 19

Why BuyBrakes.com?

Why BuyBrakes.com?

BuyBrakes.com is on a mission to get you the right two-piece brake rotors for the right price. Regardless of the vehicle you drive or the way you like to drive it, we’ve got the best rotor brands money can buy. Buy from us for the:

From Girodisc to Stoptech, you’ve found the best place to buy two-piece brake rotors online.

Check out our reviews:

Frequently Asked Questions About 2-Piece Brake Rotor Kits

Traditional one-piece brake rotors are made from a single piece of cast iron. Two-piece brake rotors use cast-iron for the disc but have an aluminum center piece called a hat or bell. The bell/hat bolts to the disc and also attaches to the wheel assembly hub. To account for thermal expansion, some bells use clips and springs to connect the two pieces.

A one piece rotor is machined from a solid block of material. A two piece rotor contains two components, commonly called the hat (or bell) and the ring. The hat resembles the inner portion of a one piece rotor. The ring is the braking surface, and it bolts to the hat. One of the biggest advantages to the two-piece rotor design is they are much better at dissipating heat than a standard single-piece rotor design. You can learn more about why brake rotors warp in this blog.

This two-piece setup is also known as "floating disc assembly." There are a few advantages to having a two-piece design, which are detailed in the following answer.

The cost of a new two-piece rotor can be quite a bit higher than a one-piece rotor, even a performance single piece rotor. Are they worth the extra cost?

First, there are a lot of performance benefits to a two piece rotor setup:

  • - Lighter weight - A typical two-piece setup is at least 3 pounds lighter than a one piece rotor, and in some applications as much as 10 pounds lighter. While a 3 or even 10 pound weight reduction might not seem like a lot, it is a tremendous reduction in the unsprung weight of the wheel assembly. This is important, because unsprung weight is carried by the suspension system. As unsprung weight is reduced, the suspension system works better...which means better cornering and better ride.

  • - Better cooling because of the aluminum hat - Cast iron conducts/absorbs heat quickly. This is what you want in a brake rotor, but unfortunately cast iron can also become a heat "reservoir" of sorts. Which a solid single piece cast iron rotor, heat is stored for hours. But with a two piece rotor, most of the heat in the center (aka the hat or bell) dissipates quickly, as the hat/bell is made from aluminum. Aluminum is a good heat conductor, but it also gives up heat readily, and the entire rotor is cooler as a result.

  • - Better cooling because of increased airflow - Two piece rotors have a gap between the hat and the discs that increases airflow around the discs, reducing temperatures in the process.

So two piece brake rotors have two really big benefits: First, due to improved cooling, your brake system should perform better with a two piece rotor system. Second, due to lower unsprung mass, your suspension system is better able to control the wheels, improving handling and ride as a result.

Finally, it's important to remember that the up-front cost of a two piece rotor includes the hat/bell, a part that will not need to be replaced when the cast iron brake disc is worn. If you compare the cost of replacement rotor to a single piece performance rotor, the pricing is very comparable.

Additionally, the frequency of brake rotor replacement is lowered because two piece rotor brake discs stay cooler and last longer.

Plenty of brands manufacture two-piece rotors, and some are specifically made for certain car manufacturers and models. For instance, JHM, Brembo, and Apikol make two-piece rotors that fit the Audi A4, but not all of these manufacturers have products for a Chevrolet Silverado.

Head to our two-piece rotor pages to find high-quality wholesale-priced racing and daily driving products by brands like GiroDisc, DBA, Stoptech, EBC Brakes, Hawk Performance, and Wilwood.

A floating disc rotor is an improved version of a two piece rotor. In a standard two piece rotor, the ring is simply bolted to the hat. In a floating disc rotor assembly, the ring is attached to the hat in a way that allows some motion as the ring expands due to heat. This lessens heat related stresses on the ring, which allows it to last longer. If you’d like to learn more about the benefits of a two-piece rotor, you can find that post here.

When upgrading to a two-piece rotor design you can expect better performance for a few different reasons. Some of these benefits come from how a rotor is manufactured, you can learn more about that in this blog. As we mentioned above, one of the most beneficial is the rotor’s ability to disperse heat and keep your hubs from getting too hot. Another benefit is less weight, which is important in rotating components. This allows for better acceleration and braking.