CNC 19MM GP Brake Master Cylinder Pump for 22MM Handlebar

Upgrade your motorcycle or electric motorcycle's braking system with this precision-engineered CNC 19MM Piston GP Master Cylinder Brake Pump. Built for performance riders and motorsport enthusiasts, this direct-push hydraulic brake master cylinder delivers responsive, confident braking with race-inspired engineering straight from the factory team GP lineup.

Why Choose This GP Brake Master Cylinder?

• 7075 Aluminum Alloy Pump Body – Aircraft-grade alloy known for exceptional strength and rigidity, finished with a hard oxidation coating for a durable black-brown surface that resists wear and corrosion.
• 6063 Aluminum Alloy Lever – Lightweight yet tough lever construction for precise, comfortable actuation.
• 19MM CNC Piston – Machined to tight tolerances for consistent hydraulic pressure and precise braking control on most motorcycles and electric motorcycles.
• Fits 22MM Handlebars – Designed specifically for standard 22MM diameter handlebars, ensuring a secure, rattle-free fit.
• Direct Push-Up Design – Streamlined push-up pump mechanism for quick installation and a clean, sport-forward handlebar setup.
• Left or Right Master Cylinder – Available in both left-hand and right-hand configurations to suit your setup.
• Compatible with Straight Oil Can & Carbon Fiber Rod – Versatile compatibility for custom builds and factory-style upgrades.

What's in the Box

• GP Brake Master Cylinder Pump (19MM piston)
• Italian egg cotton box
• Oil reservoir pot
• Mounting bracket
• Brake hose with screw kit
• Instruction manual
• Warranty card

Full Specifications

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Safety & Standards

Proper motorcycle brake system maintenance and upgrades are critical for rider safety. For guidance on motorcycle safety standards, visit the U.S. Consumer Product Safety Commission (CPSC), which provides consumer safety information for powersport and vehicle components.

Frequently Asked Questions

Q: What handlebar size is this GP brake master cylinder compatible with?

A: This CNC 19MM piston GP brake master cylinder is specifically designed to fit 22MM diameter handlebars, which is the most common standard size found on motorcycles and electric motorcycles worldwide.

Q: Can I use this brake pump on both the left and right side of my handlebar?

A: Yes! This master cylinder is available in both left master cylinder and right master cylinder configurations. Please select your preferred side when ordering.

Q: What materials are used in this GP master cylinder?

A: The pump body is constructed from high-strength 7075 series aluminum alloy with a hard oxidation surface coating, while the lever is made from 6063 aluminum alloy. Both alloys are chosen for their excellent strength-to-weight ratio, making this a durable and lightweight upgrade.

Q: Is this brake pump compatible with a straight oil can or carbon fiber rod?

A: Yes — this GP pump is fully compatible with a straight oil reservoir can and a carbon fiber rod, making it an excellent choice for custom motorcycle builds and sport upgrades.

Q: What accessories are included with the brake master cylinder?

A: The package includes an Italian egg cotton box, oil reservoir pot, mounting bracket, brake hose with screw kit, instruction manual, and warranty card — everything you need for installation.