CNC 18MM GP Brake Master Cylinder Pump – 22MM Handlebar

Upgrade Your Braking Performance with the GP-Style CNC Master Cylinder

Take your motorcycle or electric motorcycle braking system to the next level with this race-inspired CNC 18MM GP Master Cylinder Brake Pump. Designed for 22MM handlebars, this direct-push brake master cylinder combines precision CNC engineering with aircraft-grade aluminum construction — delivering the kind of braking confidence trusted by factory race teams.

Key Features

• GP Factory Team Design: Inspired by the master cylinders used by professional factory racing teams, offering superior hydraulic response and precise lever feedback.
• CNC 18MM Piston: Precision-machined 18MM piston delivers consistent, controlled braking pressure with every squeeze of the lever.
• Direct Push-Up Pump Action: Simplified direct-push mechanism for a cleaner hydraulic circuit and more responsive braking engagement.
• 7075 Aluminum Alloy Pump Body: Built from aerospace-grade 7075 aluminum alloy — renowned for its exceptional strength-to-weight ratio — with a hard-anodized oxide coating for a durable black-brown finish that resists corrosion and wear.
• 6063 Aluminum Alloy Lever: The brake lever is crafted from 6063 aluminum alloy for a perfect balance of rigidity and flexibility.
• Fits 22MM Handlebars: Designed specifically for standard 22MM motorcycle and electric motorcycle handlebars — a direct, hassle-free fitment.
• Left or Right Master Cylinder: Available in both left-hand and right-hand configurations to suit your preferred brake setup.
• Compatible with Straight Oil Can & Carbon Fiber Rod: Versatile design works seamlessly with straight oil cans and carbon fiber rods for a fully custom build.

Full Specifications

What's Included

• GP Master Cylinder Brake Pump (Left or Right – your choice)
• Italian Egg Cotton Storage Box
• Instruction Manual
• Warranty Card
• Oil Reservoir / Pot
• Mounting Bracket
• Brake Hose with Screw Kit

Made in Mainland China.

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For general motorcycle safety and maintenance standards, refer to the U.S. Consumer Product Safety Commission (CPSC) for relevant safety guidelines on powersport modifications.

Frequently Asked Questions

Q: What handlebars is this GP master cylinder brake pump compatible with?

A: This CNC 18MM GP master cylinder brake pump is specifically designed to fit 22MM diameter handlebars, which is the standard size for most motorcycles and electric motorcycles. Please verify your handlebar diameter before purchasing.

Q: Can I choose between a left-hand and right-hand brake master cylinder?

A: Yes! This brake pump is available in both left master cylinder and right master cylinder configurations. Simply select your preferred side when placing your order to match your motorcycle's braking layout.

Q: What materials are used in this CNC brake pump, and how durable is it?

A: The pump body is constructed from 7075 series aluminum alloy — a high-strength aerospace-grade material — and features a hard anodized oxide surface coating for exceptional durability and corrosion resistance. The lever is made from 6063 aluminum alloy, offering the ideal balance of strength and precision machining. These premium materials ensure long-lasting, reliable performance even under demanding riding conditions.

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

A: Yes, this GP master cylinder is designed to work with both a straight oil can and a carbon fiber rod, making it a versatile upgrade for custom motorcycle builds and performance-oriented setups.

Q: What is included in the package?

A: Each package includes the GP master cylinder brake pump, an Italian egg cotton storage box, instruction manual, warranty card, oil reservoir, mounting bracket, and a brake hose with screw kit — everything you need for a complete installation.