DBA DBA52280.1XD 5000 Series XD Cross Drilled Dimpled Rotor Ring 360mm x 30mm

The DBA DBA52280.1XD is a 5000 Series XD replacement rotor ring measuring 360mm x 30mm, designed as the disc ring component of DBA's two-piece brake rotor system. This is a rotor ring only — sold individually — intended for use with a compatible DBA two-piece hat assembly. NAS aerospace-grade nuts are included for secure and precise ring-to-hat fastening.

The XD (Cross Drilled/Dimpled) surface treatment combines drilled holes and dimples in a non-directional pattern to provide enhanced structural integrity compared to traditional fully cross-drilled designs, while still delivering improved brake pad gas and dust evacuation for a firmer, more responsive pedal feel. The XD finish also delivers a high-performance aesthetic to complement sport brake setups.

Key Features:

• 5000 Series XD non-directional cross drilled and dimpled rotor ring
• Dimensions: 360mm diameter x 30mm width
• Kangaroo Paw (KP) ventilation system — 144 diamond and teardrop pillar vane design for maximum airflow and heat dissipation
• Reduces brake fade and extends service life for both rotors and pads
• High-carbon rotor ring material for enhanced thermal capacity and resistance to warping and cracking
• Thermal Surface Protection (TSP) process with heat-paint indicators that permanently change color at temperature thresholds — allowing monitoring of rotor fatigue
• NAS aerospace-grade nuts included for proper two-piece assembly
• OEM Cross-Reference: 3411 2 283 386 / 3411 2 283 801 / 3411 2 283 802
• Sold as a single rotor ring (hat/bell not included)

DBA (Disc Brakes Australia) is a globally recognized brake manufacturer with over four decades of engineering experience. The 5000 Series represents their premium two-piece direct-replacement rotor platform, offering measurable performance gains over OE brakes in street and spirited driving applications.