Brembo 19RCS Radial Brake Master Cylinder 1″ for Harley-Davidson
Upgrade your Harley-Davidson’s braking performance with the Brembo 19RCS Radial Brake Master Cylinder 1″, engineered specifically for motorcycles equipped with 1-inch handlebars. Featuring Brembo’s patented RCS (Ratio Click System) technology, the 19RCS delivers exceptional braking performance, improved modulation, and superior rider confidence for both everyday riding and long-distance touring.
Manufactured from forged aluminum alloy with precision CNC-machined components, the Brembo 19RCS combines lightweight construction, outstanding durability, and race-proven Brembo engineering.
Key Features
-Brembo RCS (Ratio Click System)
18 mm Ratio – Smooth, progressive braking with enhanced modulation.
20 mm Ratio – Firmer lever feel with quicker, more responsive braking.
-19 mm Radial Master Cylinder
The 19 mm piston diameter is engineered for dual-disc Harley-Davidson braking systems, delivering powerful braking performance and excellent lever feel for touring, performance, and custom V-Twin motorcycles.
-Premium Brembo Engineering
* Forged aluminum alloy body
* Precision CNC-machined components
* Hard-anodized finish
* Lightweight radial master cylinder design
-Folding Brake Lever
Standard-length folding lever designed to minimize damage in the event of a tip-over.
-Integrated Brake Light Microswitch
Includes a mechanical brake light microswitch for seamless road use.
-DOT 4 Brake Fluid Compatible
Designed exclusively for DOT 4 brake fluid.
Ideal Applications
Ideal for:
* Harley-Davidson Touring
* Harley-Davidson Road Glide
* Harley-Davidson Street Glide
* Harley-Davidson Road King
* Harley-Davidson CVO
* Custom V-Twin motorcycles with 1-inch handlebars
Always verify compatibility before installation.
Why Choose the Brembo 19RCS?
Designed specifically for Harley-Davidson motorcycles with 1-inch handlebars, the Brembo 19RCS delivers exceptional braking precision, improved rider confidence, and legendary Brembo quality, making it the ultimate braking upgrade for touring, performance, and custom V-Twin motorcycles.




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