R1 Concepts 613-76021R RNC Slotted Disc Brake Rotor

The R1 Concepts 613-76021R RNC Slotted Brake Rotor delivers enhanced stopping performance with a precision-slotted rotor surface engineered for drivers who want more from their braking system. Part of R1 Concepts' RNC series, this rotor features a slotted-only design — without cross-drilling — making it an ideal choice for drivers who prioritize durability and consistent performance under sustained braking loads.

Key Features:

• Slotted Rotor Design: Precision-machined slots sweep away brake dust, gas, and debris from the pad contact surface, maintaining consistent grip and reducing the risk of brake fade
• Built-In Wear Indicator: Slots serve as a visual wear guide — when slots are no longer visible, the rotor has reached minimum thickness and replacement is needed
• G3000 Iron Alloy Construction: Cast from high-grade G3000 iron for excellent thermal stability, durability, and long service life
• Black E-Coat / Zinc Plating: Corrosion-resistant coating applied to the hat, hub, and vanes protects against rust and extends rotor appearance over time
• Double Disc Ground: Precision surface grinding on both sides promotes faster, more even brake pad bed-in and contributes to quieter, vibration-free braking
• OE-Spec Direct Fit: Manufactured to original equipment specifications for a no-modification, direct-bolt-on installation
• Single Rotor: Sold individually — right-side (R) application as indicated by the MPN suffix

The R1 Concepts RNC series is well-suited for daily drivers, light trucks, and SUVs that see occasional spirited driving or moderate towing. The slotted surface keeps braking surfaces clear without the stress-concentration points associated with drilled rotors, making it a durable long-term upgrade over OEM smooth rotors.