Brembo GP4-RS High Performance Front Caliper Set

P4 30mm | Cast Monobloc | 108mm Radial Mount | Hard Anodized Black

Part Number: 220C78330

The Brembo GP4-RS 220C78330 represents the next evolution of MotoGP-derived braking technology for high-performance street and track motorcycles. Developed directly from Brembo’s premier racing experience, the GP4-RS combines lightweight monobloc construction, advanced thermal management, and exceptional rigidity to deliver precise braking control, incredible stopping power, and superior heat dissipation under the most demanding riding conditions.

Finished in an aggressive hard anodized black coating with the iconic hand-painted red Brembo logo, the GP4-RS offers factory racing aesthetics combined with race-proven performance for riders demanding the very best braking feel and consistency.

---

Item Summary

• Genuine Brembo GP4-RS front brake caliper set
• Brembo Part Number: 220C78330
• Includes LEFT and RIGHT front calipers
• MotoGP-derived cast monobloc construction
• 108mm radial mount spacing
• 4 x 30mm aluminum pistons
• Hard anodized black finish
• Hand-painted red Brembo racing logo
• Advanced piston cooling fin technology
• Reinforced anti-flex rib structure
• Lightweight high-rigidity design
• Compatible with 32–34mm disc height
• Includes Brembo sintered brake pads
• Includes thermotape temperature strips
• Designed for high-performance street and track riding
• Recommended with Brembo 17RCS master cylinder
• Manufactured in Italy

---

MotoGP-Derived Monobloc Technology

The Brembo GP4-RS was created using an advanced foundry casting technique developed exclusively by Brembo for high-end racing applications. The one-piece monobloc body is significantly lighter than traditional caliper designs while improving rigidity and braking precision. Brembo states the GP4-RS is approximately 10% lighter than the legendary M4 monobloc caliper.

The increased rigidity minimizes deformation during extreme braking loads, delivering:

• More consistent lever feel
• Improved braking modulation
• Increased rider confidence
• Enhanced braking precision during aggressive riding

The GP4-RS was specifically engineered for riders who regularly push their motorcycles hard on canyon roads, racetracks, and high-speed environments.

---

Advanced Cooling System

One of the defining characteristics of the GP4-RS is its patented MotoGP-derived piston cooling fin design. The fins surrounding the pistons increase airflow exposure by approximately 30% compared to conventional calipers, significantly improving heat dissipation in one of the hottest sections of the braking system.

Cooling Advantages

• Lower brake fluid temperatures
• Improved fade resistance
• Consistent braking during extended track sessions
• Improved pad durability
• Enhanced thermal stability

The supplied Brembo thermotape temperature strips allow riders to monitor operating temperatures exactly like professional racing teams.

---

Precision Racing Feel

The GP4-RS utilizes four lightweight 30mm aluminum pistons engineered to maximize braking control and rider feedback. Compared to larger piston calipers, the 30mm piston layout provides a sharper, more progressive lever feel and optimized hydraulic balance, especially when paired with OEM or Brembo radial master cylinders.

This caliper is ideal for:

• Sportbike upgrades
• Trackday motorcycles
• Race-prepared superbikes
• Aggressive canyon riding
• Riders seeking stronger braking feel without sacrificing modulation

---

Technical Specifications

 

---

Included In The Box

• Left GP4-RS caliper
• Right GP4-RS caliper
• Brembo high-performance sintered brake pads
• Anti-vibration pad springs
• Brembo thermotape temperature strips
• Brembo decals/stickers
• Installation documentation

 

---

Key Performance Features

Lightweight Construction

The GP4-RS monobloc body is engineered to reduce unsprung weight while improving overall braking response and front-end feel.

Patented Cooling Fins

The integrated cooling fins around the pistons are derived directly from Brembo MotoGP technology and help dramatically improve heat dissipation under severe braking loads.

Increased Rigidity

MotoGP-inspired ribbing strengthens the caliper body to resist flex during intense braking, improving consistency and precision.

Race-Ready Aesthetics

The hard anodized black finish combined with the hand-painted red Brembo logo delivers an aggressive factory racing appearance perfect for premium superbike builds.

---

Spare Parts & Related Components

Genuine Brembo Replacement Components

 

---

Recommended Supporting Upgrades

Recommended Master Cylinder

Brembo recommends pairing the GP4-RS with the Brembo 17RCS radial master cylinder for optimal hydraulic leverage, braking modulation, and overall braking performance.

Brake Rotor Compatibility

• Compatible with 32–34mm disc height
• Some motorcycles may require spacers and mounting hardware
• Certain applications may require upgrading from 310mm to 320mm rotors

Honda CBR1000RR 2004–2005, CBR600RR, and CB1000R applications may require 320mm rotor upgrades and adapters.

---

Important Installation Notes

• Designed for motorcycles using 108mm radial mount spacing
• Some motorcycles require spacers and longer mounting bolts
• Not compatible with some low-profile brake discs
• ABS compatibility may vary depending on motorcycle model and system calibration
• Professional installation is strongly recommended

 

---

Why Choose the Brembo GP4-RS 220C78330?

The GP4-RS bridges the gap between OEM superbike braking systems and full factory racing hardware. Riders benefit from genuine MotoGP-derived technology in a lightweight, reliable, and visually stunning package suitable for both road and track use.

Key Advantages

• MotoGP-inspired cooling technology
• Exceptional braking power
• Outstanding heat dissipation
• Reduced unsprung weight
• Superior braking consistency
• Precision lever feel
• Aggressive black racing finish
• Premium Italian Brembo engineering

For riders building the ultimate braking system for their sportbike, the Brembo GP4-RS 220C78330 delivers race-winning technology with the reliability and refinement expected from one of the most respected names in motorcycle braking systems worldwide.