The Brembo RCS19 Brake Master Cylinder is one of the most respected high-performance components in the motorcycle world — especially among sportbike riders and racers. Here's what sets it apart:
🔧 1. RCS System – Adjustable Leverage Ratio
RCS stands for Ratio Click System. This allows the rider to adjust the lever ratio between two settings:
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18 mm – more progressive, smoother braking
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20 mm – more aggressive, immediate response
➡️ You can easily switch using a red dial on the lever pivot. It gives you race-style flexibility, even on the street.
🚀 2. Race-Grade Performance
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Derived from MotoGP and WorldSBK technology
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Offers extremely consistent braking under hard use
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Eliminates brake fade at high temperatures
➡️ Ideal for track days, spirited road riding, and performance tuning.
🏗️ 3. CNC Machined & Hard Anodized
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Built from lightweight forged aluminum
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CNC precision-machined and finished with hard anodizing for durability and corrosion resistance
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Looks and feels premium
💨 4. Enhanced Modulation & Feel
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Piston diameter: 19 mm – ideal for dual 4-piston calipers (like Brembo GP4-RR, M50, Stylema)
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Provides superior lever feel, control, and feedback
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Makes braking smoother and more predictable
🛠️ 5. Easy Installation & Universal Fit
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Fits most sportbikes with 7/8” (22 mm) handlebars
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Uses a separate reservoir (sold separately)
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Compatible with Brembo, Accossato, and other high-end calipers
📦 6. What’s Included?
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RCS19 master cylinder
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Folding brake lever (adjustable)
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Banjo bolt + washers
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Instructions
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Brembo authenticity card
(Brake fluid reservoir not included)
✅ Why Riders Choose the RCS19
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Proven on track
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Trusted by racers and performance riders
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Adjustable for different conditions or preferences
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Upgrade that’s immediately noticeable in feel and braking control
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