Natty Front Brake System - Main Cylinder

Brand: Mortch Motor
Product Code: MIBRS-NATTYM

Product Viewed: 473

Availability: Pre-Order

Weight: 0.40kg

Packing Size: 27.00 x 11.00 x 10.00cm

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Front Brake Master Cylinder

🔧 Brake Master Cylinder · Hydraulic Brake System

For Natty series scooters · High-quality replacement · Stable braking performance

📋 Product Overview

This is a Front Brake Master Cylinder designed for Natty series scooters, the core component of the front wheel hydraulic brake system. The master cylinder converts the force applied by the rider on the brake lever into hydraulic pressure, which is transmitted through the brake line to the caliper, pushing the pistons to clamp the brake disc and achieve braking.

Manufactured with high-quality materials and precision internal machining, this master cylinder ensures reliable sealing and stable pressure, providing safe and dependable braking performance. It is an ideal replacement when the original brake pump is damaged or performance has degraded.

✨ Key Functions: Hydraulic pressure conversion · Front brake control · Stable and reliable · Direct replacement

✨ Features & Specifications

🔴 Features / 规格特点
Operating Pressure	6.9 MPa
Master Cylinder Diameter	ф12.7 mm
Theoretical Braking Torque	420 N·m

Operating Pressure: 6.9MPa

Cylinder Diameter: 12.7mm

Braking Torque: 420N·m

🛵 Compatible Models

This front brake master cylinder fits the following Natty series models:

🏍️ Natty Series Scooters

Natty A Scooter Natty B Scooter Natty C Scooter Natty D Scooter etc.

🏍️ About Natty Brand:

Natty is a well-known scooter brand featuring reliable hydraulic disc brake systems. This front brake master cylinder is manufactured to OEM specifications for perfect fitment on Natty A, B, C, D, and other series models.

📌 Compatibility Note: This is a front brake master cylinder with specifications: diameter 12.7mm, operating pressure 6.9MPa, theoretical braking torque 420N·m. Designed for Natty series scooter front disc brake systems. Before purchasing, please verify your vehicle is compatible.

⚙️ How Master Cylinder Works

🔧 Force Input

The rider squeezes the brake lever, pushing the master cylinder piston to compress the brake fluid.

💧 Pressure Generation

According to Pascal's principle, piston movement generates hydraulic pressure transmitted through the brake line.

🛑 Brake Actuation

Hydraulic pressure reaches the caliper, pushing pistons to clamp the brake pads against the disc.

🔄 Return Function

When the brake is released, the return spring resets the piston, allowing fluid to return and releasing the brakes.

🛑 Importance of Brake System

The brake system is one of the most critical safety systems on any vehicle. Its condition directly affects riding safety:

Braking Performance: As the power source of the hydraulic system, the master cylinder's performance and reliability directly affect braking effectiveness.
Safety & Reliability: A faulty master cylinder can lead to insufficient braking power, brake failure, and serious safety hazards.
Braking Feel: A good master cylinder provides linear, powerful braking feel, enhancing rider confidence.
Regular Inspection: If you experience spongy brakes, fluid leaks, or poor lever return, inspect and replace the master cylinder promptly.

⚠️ Safety Note: Brake system maintenance affects rider safety. Professional installation is recommended. After replacing the master cylinder, proper bleeding is required to remove air from the system before use.

⚠️ Master Cylinder Failure Symptoms

Spongy Brakes: Brake lever feels weak with insufficient braking power.
Brake Fluid Leak: Fluid seepage around the master cylinder; brake fluid level drops.
Lever Won't Return: Brake lever does not return to its original position after release.
Brake Drag: Brakes do not release properly; wheel drags.
Sticking Piston: Brake operation feels notchy or binding.
Excessive Lever Travel: Lever needs to be squeezed deeply before braking engages.

If you experience these symptoms, inspect the master cylinder and replace if necessary.

✨ Product Features

OEM Specifications: Manufactured to Natty series original specifications for perfect fit and proper operation.
Quality Seals: High-quality seals prevent fluid leaks and maintain stable hydraulic pressure.
Precision Machining: Precision-machined piston and cylinder for smooth movement and reliable return.
Stable Pressure: 6.9MPa operating pressure provides ample, stable braking force.
Powerful Braking: 420N·m theoretical braking torque delivers excellent stopping power.
Direct Replacement: Perfect substitute for damaged or worn original brake pumps.

🔧 Installation Tip

1. Prepare fresh brake fluid (DOT3 or DOT4), a bleed hose, wrenches, and other tools before starting.
2. Remove the old master cylinder, noting the brake line connection and lever mounting position.
3. Install the new master cylinder, connect the brake line, and ensure a leak-free seal.
4. Add brake fluid and bleed the system: pump the brake lever, open the bleeder valve to release air, repeat until the lever feels firm and no bubbles appear.
5. Check brake lever travel and ensure normal braking function before riding.

⚠️ Important Notice: This is a front brake master cylinder with specifications: diameter 12.7mm, operating pressure 6.9MPa, theoretical braking torque 420N·m. Designed for Natty series scooters (Natty A, B, C, D, etc.) front disc brake systems. The brake system is a safety-critical component; professional installation is recommended. Images are for reference only. The actual product may vary.

🔧 Compatibility Notice

Please verify that this part fits your specific vehicle model and year. Many vehicles share similar names but use different components depending on year or market region.
We strongly recommend cross-checking with your vehicle's owner's manual or contacting us for confirmation before placing your order.

📄 Product Disclaimer

Product images, measurements, and descriptions are for reference only. Slight variations in color or appearance may occur due to manufacturing batches or photography lighting—functional specifications remain identical to the ordered part.
Professional installation is mandatory. Mortch Motor assumes no liability for damages, injuries, or losses resulting from improper installation, misuse, unauthorized modification, or abnormal operation.

💰 Import Duties & Taxes

All listed prices EXCLUDE shipping costs, import duties, taxes, and customs clearance fees. These charges (if applicable) are determined and collected by your local customs authority and are solely the buyer's responsibility.
In case of return due to unpaid duties/taxes or refusal to clear customs, the buyer shall bear the original shipping cost, return shipping fees, and any associated administrative charges deducted from the refund.

📌 Order Confirmation: By completing your purchase, you acknowledge that you have read, understood, and agreed to all terms above. For any questions, please contact our support team prior to ordering.