R1 Concepts 631-58014L eLINE Series Drilled Slotted Brake Rotor

The R1 Concepts 631-58014L is an eLINE Series cross-drilled and diamond-slotted disc brake rotor designed as a direct-fit, performance-oriented replacement. This is a single rotor intended for the left (driver's) side fitment.

Drilled & Slotted Design:

• Cross-drilled holes reduce heat buildup on the rotor surface, improving fade resistance during repeated or heavy braking
• Diamond slots channel away brake dust, gas, and debris to prevent pad glazing and maintain consistent bite
• Chamfered drill holes help minimize the risk of cracking under thermal stress

Zinc Plated Finish:

• Silver zinc plating protects the non-braking surfaces (hub, hat, and vanes) from rust and corrosion
• Improves long-term appearance and extends the service life of the rotor
• Note: The zinc coating on the braking surface will wear off during the initial break-in process — this is normal and expected

Additional Features:

• Manufactured to meet or exceed OEM dimensional specifications for a precise, no-modification fit
• Compatible with OEM and aftermarket brake pads
• A proper break-in (bedding) procedure is recommended after installation to achieve optimal braking performance

The R1 Concepts eLINE 631-58014L delivers an upgrade in stopping performance and thermal management over a standard smooth rotor, making it well-suited for drivers who want improved braking response in a bolt-on replacement format.