R1 Concepts 830-54252R DFC GeoPerformance Drilled and Slotted Brake Rotor

The R1 Concepts 830-54252R is a DFC GeoPerformance Drilled and Slotted Brake Rotor, engineered for drivers who demand more from their braking system. Manufactured by Dynamic Friction Company (DFC) — the performance brand behind R1 Concepts rotors — this disc brake rotor combines cross-drilled holes, precision machined slots, and a premium GEOSPEC corrosion-resistant coating for a significant upgrade over standard OE replacement rotors.

Key Features:

• Cross-Drilled Holes: Reduce heat buildup on the rotor surface during heavy braking; chamfered drill holes minimize the risk of stress cracking for long-term durability
• Precision Slots: Continuously sweep brake pad deposits, road debris, and gases from the contact surface, preventing pad glazing and maintaining consistent bite
• Shorter Stopping Distance: The combined drilled and slotted design improves pad-to-rotor grip, especially in wet weather conditions
• GEOSPEC Coating: A premium silver-gray corrosion-protection finish applied to the entire rotor — including the hub and vanes — that outperforms conventional paint and zinc coatings
• Ready to Install: Processed dry and shipped dry; no cleaning or prep work required before installation
• OE-Grade Casting: Manufactured from premium G3000/G11H18 carbon iron to meet or exceed original equipment specifications for strength, stability, and noise dampening
• 100% Electronic Inspection: Each rotor passes a quality control station that measures over 20 attributes to ensure dimensional accuracy and trouble-free installation
• Sold Individually: One rotor per package

The 830-54252R is part of the DFC GeoPerformance series — a performance-oriented upgrade ideal for spirited street driving, track use, or demanding daily driving. The GEOSPEC finish provides lasting protection against rust while maintaining a clean, professional appearance throughout the rotor's service life.