Dynamic Friction 830-80072R Disc Brake Rotor - Rear Right
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Dynamic Friction
 DFC Geoperformance Rotor - Drilled and Slotted

Dynamic Friction 830-80072R Disc Brake Rotor - Rear Right

Brand Dynamic Friction 830-80072R
Position Rear Right
Discard Thickness 7.5
Nominal Thickness 9.5
Disc Finish Plain
Hat Finish Geospec silver grey
Rust Resistant Coating Yes
Bolt Hole Quantity 4
Overall Height 35.85
Outside Diameter 280
Height 35.85
Surface Type Slotted x drilled
Solid Or Vented Type Rotor Solid
Center Hole Diameter 55
Stud/Lug Hole Quantity 4
Stud/Lug Hole Diameter 13.3
Directional or Non-Directional Brake Surface Directional
Bolt Circle Diameter 100
Stud/Lug Hole Circle Diameter 100
Product line DFC Geoperformance Rotor - Drilled and Slotted
Fits Fiat and Mazda · 15 vehicles

Drilled and slotted. Surface design helps promote pad bite and heat control during braking.

Corrosion protection. Rust-resistant coating helps preserve the rotor finish in service.

Geoperformance line. DFC rotor family with a directional braking surface and finished hat.

$99.38Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Disc Brake Rotors are typically replaced in pairs, axle by axle.
Order total $99.38
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Overview

The Dynamic Friction 830-80072R is a Geoperformance disc brake rotor built for rear right applications with a drilled and slotted surface. It is a fitment-based replacement for the Mazda MX-5 Miata and Fiat 124 Spider, with corrosion resistance and a directional braking surface for consistent rotor performance.

Key Features

  • Drilled and slotted rotor surface for improved pad bite and heat management.
  • Rust-resistant coating helps protect the rotor from corrosion.
  • Solid rotor design with a directional braking surface.
  • Geospec Silver Grey hat finish for a clean, finished appearance.
  • Fits 2016-2026 Mazda MX-5 Miata, rear right.
  • Fits 2017-2020 Fiat 124 Spider, rear right.

Detailed Description

Dynamic Friction 830-80072R is part of the DFC Geoperformance Rotor - Drilled and Slotted line, a rotor family focused on drilled and slotted braking surfaces and corrosion protection. This rotor measures 280 mm in outside diameter, uses a 100 mm bolt circle, and is built as a solid disc with a directional surface pattern. The plain disc finish and Geospec Silver Grey hat finish give it a practical, service-ready appearance for rear brake service on the Mazda MX-5 Miata and Fiat 124 Spider.

The 830-80072R is specified for rear right fitment on 2016-2026 Mazda MX-5 Miata and 2017-2020 Fiat 124 Spider applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Uses

  • Replacing a worn rear brake rotor with the correct fitment.
  • Addressing rotor scoring, grooves, or uneven braking feel.
  • Restoring braking surface thickness within service limits.
  • Replacing a corroded rotor on a rear brake service.

Installation Notes

Verify rear right fitment, bolt pattern, and rotor dimensions before installation. Confirm discard thickness and nominal thickness against service specifications during brake inspection. The directional surface must be installed in the correct orientation for proper operation.

Quality Assurance

Dynamic Friction’s Geoperformance rotor line combines drilled and slotted construction with a rust-resistant coating for dependable service characteristics. Part number 830-80072R is built to match the listed vehicle applications and dimensional requirements.

Related reading

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2026MazdaMX-5 MiataRear RightDFC Geoperformance Rotor - Drilled and Slotted
2025MazdaMX-5 MiataRear RightDFC Geoperformance Rotor - Drilled and Slotted
2024MazdaMX-5 MiataRear RightDFC Geoperformance Rotor - Drilled and Slotted
2023MazdaMX-5 MiataRear RightDFC Geoperformance Rotor - Drilled and Slotted
2022MazdaMX-5 MiataRear RightDFC Geoperformance Rotor - Drilled and Slotted
2021MazdaMX-5 MiataRear RightDFC Geoperformance Rotor - Drilled and Slotted
2020Fiat124 SpiderRear RightDFC Geoperformance Rotor - Drilled and Slotted
2020MazdaMX-5 MiataRear RightDFC Geoperformance Rotor - Drilled and Slotted
2019Fiat124 SpiderRear RightDFC Geoperformance Rotor - Drilled and Slotted
2019MazdaMX-5 MiataRear RightDFC Geoperformance Rotor - Drilled and Slotted
2018Fiat124 SpiderRear RightDFC Geoperformance Rotor - Drilled and Slotted
2018MazdaMX-5 MiataRear RightDFC Geoperformance Rotor - Drilled and Slotted
2017Fiat124 SpiderRear RightDFC Geoperformance Rotor - Drilled and Slotted
2017MazdaMX-5 MiataRear RightDFC Geoperformance Rotor - Drilled and Slotted
2016MazdaMX-5 MiataRear RightDFC Geoperformance Rotor - Drilled and Slotted