RB120N-L-RST Accossato ABE PRS 19x17-18-19 black radial brake master cylinder with reservoir kit for 1-inch

The Accossato PRS 19x17-18-19 radial brake master cylinder approved ABE 61454 for 1-inch handlebars with black master cylinder body and smoked oil reservoir is designed to provide powerful, precise, and progressive braking on Harley-Davidson, custom, cruiser, and special motorcycles equipped with a 1” handlebar. Made from solid CNC-machined aluminum, it ensures flex resistance, reduced weight, and more direct lever feel, improving braking system control even on large-displacement motorcycles or customized setups.

Accossato PRS 19x17-18-19 master cylinder for 1-inch handlebars

The PRS 19x17-18-19 mm configuration allows the lever ratio to be adjusted according to riding style and desired braking response. The 19 mm piston is suitable for braking systems requiring higher hydraulic capacity, delivering strong, stable, and consistent braking. The ABE 61454 approval allows road use in the German market, making this radial brake master cylinder a technical choice for premium builds and braking upgrades on motorcycles with 1-inch handlebars.

Black body, smoked reservoir and black folding lever

The black master cylinder body provides an aggressive and refined appearance, perfectly matched to custom cockpits, Harley applications, and total black setups. The smoked oil reservoir completes the technical look of the product and is supplied in the kit together with everything needed for installation. The long black folding lever, in RST configuration with air passage hole, improves safety, ergonomics, and control while maintaining a sporty and professional finish.

Why choose this Accossato master cylinder for Harley handlebars?

This version is ideal for riders who want to upgrade the braking system of a motorcycle with 1-inch handlebars, achieving greater braking power, PRS adjustment, reduced brake dead travel, and improved lever sensitivity. The dedicated clamp for 1” handlebars ensures a setup consistent with custom applications, while CNC machining guarantees long-term precision and reliability.

Technical features:

• Brand: Accossato
• Model: PRS 19x17-18-19 for 1-inch handlebars
• Homologation: ABE 61454
• Product type: Radial brake master cylinder
• Handlebar compatibility: 1 inch / 1”
• Vehicle application: Harley-Davidson, custom, cruiser and special builds
• Machining: CNC-machined from solid material
• Master cylinder body material: CNC aluminum
• Master cylinder body finish: Black
• Piston diameter: 19 mm
• Lever ratio: PRS 17-18-19 mm
• Lever type: Folding
• Lever color: Black
• Lever length: Long
• Lever configuration: RST with air passage hole
• Oil reservoir kit: Included
• Oil reservoir for black body: Smoked color
• Hardware: Zinc-plated steel
• Clamp: For 1-inch handlebars
• Brake hose fitting size: M10x1
• Brake light switch: Included