What is the main advantage of a two-piece rotor with an aluminum hat?

The primary benefits are reduced unsprung weight due to the lighter aluminum hat and improved heat management. The aluminum hat helps prevent heat from transferring to the hub and allows for more uniform expansion of the iron rotor ring.

Can I use this replacement ring with my existing brake pads?

This is a replacement rotor ring only. You will need to ensure your existing brake pads are compatible with the rotor surface and that they are in good condition. It's always recommended to inspect your pads when replacing rotors.

Does this rotor come with the aluminum hat, or is it just the iron ring?

This product is a replacement rotor ring (also called a flat disc). It is designed to be bolted to an existing DBA 5000 Series aluminum hat. If you need a complete assembly, you would look for a full two-piece rotor kit.

Specifications

Brand: DBA
Part #: DBA52830.1
UPC: 9316391404404

DBA 15-21 Volkswagen GTI (w/Perf Pkg 340mm Front Rotor) Front 5000 Series Replacement Ring

Name: DBA 15-21 Volkswagen GTI (w/Perf Pkg 340mm Front Rotor) Front 5000 Series Replacement Ring
Brand: DBA
SKU: dba-dba-15-21-volkswagen-gti-w-perf-pkg-340mm-front-rotor-front-5000-series-repl-t14-628278
Price: 454.42 USD
Availability: BackOrder

$454.42

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

DBA 5000 Series replacement rotor ring for performance street and track use. Reduces unsprung weight and improves heat management.

Key Features

Fits a range of Audi and Volkswagen performance vehicles.
Two-piece rotor design with a high-carbon cast-iron friction ring and T6061-T6 aluminum hat.
Aluminum hat reduces unsprung weight and helps manage heat transfer.
Smooth, OE-style friction ring finish is popular for street performance.
Utilizes NAS bolts and crimp nuts for a solid assembly.
Designed for high-performance street, track day, club racing, and rally applications.

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Will it fit your car?

About this part

Product Details

This is a DBA 5000 Series HD Brake Ring, designed as a direct replacement for your vehicle's front brake rotor assembly. It's a two-piece rotor that combines a high-carbon cast-iron friction ring with an aerospace-grade T6061-T6 aluminum hat. This design is popular for drivers who want the performance advantages of a two-piece rotor but prefer a smooth, OE-style finish without slots or drilled holes. It fits a range of performance vehicles, including models like the Volkswagen GTI, Audi S3, and Volkswagen Arteon.

The real benefit of this two-piece design, especially with the aluminum hat, is how it handles heat and weight. The aluminum hat is significantly lighter than a traditional iron hat, which helps reduce unsprung weight, making your suspension work more effectively. It also helps manage heat transfer from the rotor to the wheel hub. The cast-iron ring itself is made from high-carbon material for better thermal stability and wear resistance, ensuring consistent performance even under strenuous driving conditions like track days or spirited street driving. These rings are held together with NAS bolts and crimp nuts, a strong and reliable assembly method.

Because it's a replacement ring, you can reuse your existing DBA 5000 Series aluminum hats if you're upgrading from a previous DBA two-piece rotor or replacing worn rings. This makes it a practical choice for maintaining your high-performance braking system over time.