StopTech Bi-Slot Aero Rotor (Right) — Fits ND Miata BBK 309x32mm

SKU: STO31.H3B.0E72.CT.87
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About Stoptech StopTech, a Brembo company, engineers big brake kits ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Stoptech

StopTech, a Brembo company, engineers big brake kits and high-performance rotors for street and track-day cars. AeroRotor cross-drilled discs and ST-series calipers deliver fade-free repeatable braking — the choice of Optima Search and SCCA road-course competitors.

StopTech Bi-Slot Aero Rotor for Mazda Miata (ND) Big Brake Kit

Upgrade your Mazda Miata's braking system with this high-performance StopTech Bi-Slot Aero Rotor. Designed specifically for the ND generation Miata's Big Brake Kit (BBK), this right-side rotor measures 309x32mm and features StopTech's advanced Bi-Slot design for optimal performance and heat dissipation. The Bi-Slot pattern helps to keep the rotor surface clean and consistent, improving pad bite and reducing noise, while also aiding in the evacuation of gases and dust.

Engineered for Maximum Performance:

  • Bi-Slot Design: The unique slotting pattern provides superior pad cleaning and gas/dust evacuation, leading to more consistent braking and reduced fade.
  • Aero Rotor Technology: Optimized vane design ensures efficient airflow for superior cooling, crucial for sustained high-performance driving.
  • Direct Replacement for BBK: This rotor is designed as a direct replacement for the right-side rotor in compatible ND Miata Big Brake Kits.
  • Race Hardware Included: Comes complete with race-grade hardware for a secure and reliable installation.
  • Premium Construction: Manufactured to StopTech's stringent quality standards for durability and performance.

Specifications:

  • Vehicle Fitment: Mazda Miata (ND Generation) with compatible Big Brake Kit
  • Rotor Type: Bi-Slot Aero Rotor
  • Position: Right Side
  • Dimensions: 309mm Diameter x 32mm Thickness
  • Part Number: ST31.H3B.0E72.CT.87

Experience the difference that StopTech engineering makes. Purchase this premium rotor for your Miata at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Stoptech

StopTech, a Brembo company, engineers big brake kits and high-performance rotors for street and track-day cars. AeroRotor cross-drilled discs and ST-series calipers deliver fade-free repeatable braking — the choice of Optima Search and SCCA road-course competitors.

StopTech Bi-Slot Aero Rotor for Mazda Miata (ND) Big Brake Kit

Upgrade your Mazda Miata's braking system with this high-performance StopTech Bi-Slot Aero Rotor. Designed specifically for the ND generation Miata's Big Brake Kit (BBK), this right-side rotor measures 309x32mm and features StopTech's advanced Bi-Slot design for optimal performance and heat dissipation. The Bi-Slot pattern helps to keep the rotor surface clean and consistent, improving pad bite and reducing noise, while also aiding in the evacuation of gases and dust.

Engineered for Maximum Performance:

  • Bi-Slot Design: The unique slotting pattern provides superior pad cleaning and gas/dust evacuation, leading to more consistent braking and reduced fade.
  • Aero Rotor Technology: Optimized vane design ensures efficient airflow for superior cooling, crucial for sustained high-performance driving.
  • Direct Replacement for BBK: This rotor is designed as a direct replacement for the right-side rotor in compatible ND Miata Big Brake Kits.
  • Race Hardware Included: Comes complete with race-grade hardware for a secure and reliable installation.
  • Premium Construction: Manufactured to StopTech's stringent quality standards for durability and performance.

Specifications:

  • Vehicle Fitment: Mazda Miata (ND Generation) with compatible Big Brake Kit
  • Rotor Type: Bi-Slot Aero Rotor
  • Position: Right Side
  • Dimensions: 309mm Diameter x 32mm Thickness
  • Part Number: ST31.H3B.0E72.CT.87

Experience the difference that StopTech engineering makes. Purchase this premium rotor for your Miata at GGCRACING.

Product Details

Product Description

About Stoptech

StopTech, a Brembo company, engineers big brake kits and high-performance rotors for street and track-day cars. AeroRotor cross-drilled discs and ST-series calipers deliver fade-free repeatable braking — the choice of Optima Search and SCCA road-course competitors.

StopTech Bi-Slot Aero Rotor for Mazda Miata (ND) Big Brake Kit

Upgrade your Mazda Miata's braking system with this high-performance StopTech Bi-Slot Aero Rotor. Designed specifically for the ND generation Miata's Big Brake Kit (BBK), this right-side rotor measures 309x32mm and features StopTech's advanced Bi-Slot design for optimal performance and heat dissipation. The Bi-Slot pattern helps to keep the rotor surface clean and consistent, improving pad bite and reducing noise, while also aiding in the evacuation of gases and dust.

Engineered for Maximum Performance:

  • Bi-Slot Design: The unique slotting pattern provides superior pad cleaning and gas/dust evacuation, leading to more consistent braking and reduced fade.
  • Aero Rotor Technology: Optimized vane design ensures efficient airflow for superior cooling, crucial for sustained high-performance driving.
  • Direct Replacement for BBK: This rotor is designed as a direct replacement for the right-side rotor in compatible ND Miata Big Brake Kits.
  • Race Hardware Included: Comes complete with race-grade hardware for a secure and reliable installation.
  • Premium Construction: Manufactured to StopTech's stringent quality standards for durability and performance.

Specifications:

  • Vehicle Fitment: Mazda Miata (ND Generation) with compatible Big Brake Kit
  • Rotor Type: Bi-Slot Aero Rotor
  • Position: Right Side
  • Dimensions: 309mm Diameter x 32mm Thickness
  • Part Number: ST31.H3B.0E72.CT.87

Experience the difference that StopTech engineering makes. Purchase this premium rotor for your Miata at GGCRACING.

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