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R1 Concepts 830-58021R DFC GeoPerf Drilled & Slotted Brake Rotor

Manufacturer

Picture for manufacturer R1 Concepts

Part Number

830-58021R
9 reviews
Sale Price

$118.57

1 left at this price

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Usually delivered within 2 days

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Product Details

The R1 Concepts 830-58021R DFC GeoPerf Drilled and Slotted Brake Rotor delivers a meaningful performance upgrade over standard OEM rotors, combining cross-drilled and diamond-slotted design with a premium GEOMET corrosion-resistant finish. Built from G3000 grade cast iron with OEM-matching specifications, this rotor installs without modification and is engineered for drivers who want reliable, consistent stopping power.

Key Features:

  • Cross-Drilled Design: Precision-drilled, chamfered, and countersunk holes reduce rotor surface heat by up to 105°F, improve ventilation, and prevent cracking during thermal cycling
  • Diamond Slot Technology: Slots clear brake dust, gas, and road debris from the pad surface, prevent pad glazing, extend pad life, and serve as a rotor wear indicator — when the diamond tips are gone, it's time to replace
  • GEOMET Finish: A specialty coating that provides long-lasting, superior rust and corrosion protection across the entire rotor surface, reducing installation time by eliminating the need for break-in coating removal
  • G3000 Cast Iron Construction: High-carbon alloy iron formula enhances thermal stability, reduces brake fade and noise, and resists warping and cracking under demanding conditions
  • OEM-Matched Specifications: Engineered to factory dimensions for a direct, no-modification installation
  • Versatile Performance: Suitable for daily street driving, light track or rally use, towing and hauling, and off-road applications

The GeoPerf rotor's GEOMET finish provides durable corrosion resistance that keeps the rotor protected beyond just the braking surface, including the hat and vane structure. A proper bed-in procedure is recommended after installation to seat the pads and achieve optimal braking performance.

we need to return item not needed how do we start that process?

Fast shipping Part was what i expected And the price was bellow anything in my area

Received ahead of schedule. Beautiful product! Perfect fit as well. Thank you.

Service and support were great, order arrived quickly and in good shape.

I bought my item from them due to the original site I bought from kept telling me my item was back ordered and didnt know when they would have one. It was easy and painless to order and received my item in a timely matter. The price was good especially seeing what other sites were charging, not the lowest price but we'll worth the extra 20 bucks I paid. Will buy from them again if they have what I need.

Very quick turnaround with best online price. Would highly recommend!

It's the information I needed for my boat motor. The only issue I had with this maintenance manual was the way the manual was finished. I've worked the the graphic arts industry for 50 years and am well versed in print finishing. The book will no doubt stay together, however there is excessive glue on the spine as the cover wraps around the front/back that distracts from the overall appearance.

I thought I was getting 10% off my next order but never got that.

Good deal thanks

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