Shengmilo MX02S Electric Bike User Manual

1. Introduction

Welcome to the Shengmilo MX02S Electric Bike user manual. This guide provides essential information for the safe and efficient operation, assembly, and maintenance of your new electric bicycle. Please read this manual thoroughly before your first ride to ensure proper usage and to maximize the lifespan of your e-bike.

Figure 1: Overview of the Shengmilo MX02S Electric Bike and included accessories (rear rack, fenders, display).

2. Safety Information

Your safety is paramount. Always adhere to the following guidelines:

• Always wear a helmet that meets safety standards.
• Familiarize yourself with local traffic laws and regulations regarding electric bicycles.
• Perform a pre-ride inspection before each use, checking brakes, tire pressure, and battery level.
• Do not ride under the influence of alcohol or drugs.
• Be aware of your surroundings and ride defensively.
• Avoid riding in adverse weather conditions or on slippery surfaces.
• Ensure all components are securely fastened before riding.
• Do not exceed the maximum load capacity of 330 lbs (150 kg).

3. Components Overview

The Shengmilo MX02S is equipped with high-quality components designed for performance and durability.

3.1 Frame and Suspension

The bike features a robust aluminum alloy frame with dual suspension for enhanced comfort and stability on various terrains.

Figure 2: Dual shock absorption system, providing comfort on mountain roads, sand roads, city roads, and snowfields.

3.2 Motor System

Equipped with high-power dual brushless motors, providing significant torque for climbing and acceleration.

Figure 3: Illustration of the dual motor system, capable of 25 km/h speed, 40° slope climbing, and 2x80 N-M torque.

3.3 Battery

The Shengmilo MX02S features a removable Samsung 48V 17.5Ah battery, offering extended range and quick charging.

Figure 4: The Samsung 48V 17.5Ah battery, providing approximately 60km in pure electric mode and 80-150km with pedal assist, with a full charge time of 6-8 hours.

3.4 Tires

Equipped with 26 x 4.0 inch fat tires, providing excellent grip and traction on diverse terrains, including sand, snow, gravel, and rough paths.

Figure 5: Close-up of the 26x4.0 all-terrain fat tire, highlighting good rolling properties, anti-puncture technology, and super traction and durability.

3.5 Brakes

The bike features hydraulic disc brakes for reliable and powerful stopping power in all conditions.

Figure 6: Detail of the hydraulic disc brake system, designed for effective drainage and mud removal, ensuring consistent braking performance.

3.6 Display

A clear Yonglin-Meter HD screen provides all necessary riding information at a glance.

Figure 7: The Yonglin-Meter HD screen displaying speed, PAS level, trip distance, odometer, max speed, and average speed, offering clear visibility compared to other displays.

3.7 Drivetrain

The Shengmilo MX02S features a Shimano 7-speed transmission for smooth gear changes and efficient pedaling.

Figure 8: The Shimano transmission system, ensuring smooth and reliable gear shifting for various riding conditions.

3.8 Additional Features

• Aluminum Alloy Rear Shelf: Standard on the MX02S, supporting up to 150KG.
  

  Figure 9: The robust aluminum alloy rear shelf for cargo.

• LED Headlights: Integrated with lights and speakers for safe night riding.
  

  Figure 10: Integrated LED headlights for improved visibility and safety.
• Aluminum Alloy Dental Disc: Made from aviation aluminum alloy material, which will not rust and is not easily deformed.
  

  Figure 11: The durable aluminum alloy dental disc (chainring).

4. Setup and Assembly

Your Shengmilo MX02S Electric Bike comes partially assembled. Follow these steps for final assembly:

1. Unpacking: Carefully remove all components from the packaging. Retain packaging for future transport or storage.
2. Handlebar Installation: Attach the handlebar to the stem, ensuring it is centered and tightened securely.
3. Front Wheel Installation: Install the front wheel, ensuring the disc brake rotor is correctly aligned with the caliper.
4. Pedal Installation: Identify left (L) and right (R) pedals. Thread them into the crank arms (left pedal is reverse threaded). Tighten firmly.
5. Seat Post and Saddle: Insert the seat post into the frame and adjust the saddle height for comfortable riding. Secure with the quick-release lever.
6. Fender and Rear Rack Installation: Attach the front and rear fenders and the rear rack using the provided hardware.
7. Battery Installation: Insert the battery into its compartment and ensure it clicks securely into place.
8. Initial Charge: Fully charge the battery before your first ride. Connect the charger to the battery port and then to a power outlet. The indicator light on the charger will change when fully charged.

For detailed dimensions and recommended height, refer to the diagram below:

Figure 12: Bike dimensions (A-J) and recommended rider height (5'4" - 6'4") for the Shengmilo MX02S.

5. Operating Instructions

5.1 Powering On/Off

To power on the bike, press and hold the power button on the display. To power off, press and hold the same button.

5.2 Pedal Assist System (PAS)

The PAS provides motor assistance as you pedal. Use the '+' and '-' buttons on the display to adjust the assist level from 1 (lowest assist) to 5 (highest assist). Higher PAS levels provide more power and speed with less pedaling effort.

5.3 Throttle Operation

The twist throttle allows you to engage the motor without pedaling. Twist the throttle gently to accelerate. The speed achieved via throttle depends on the selected PAS level.

5.4 Display Functions

The HD display provides real-time information:

• Battery Level: Indicates remaining battery charge.
• Speed: Current riding speed.
• Mileage: Trip distance and total odometer.
• PAS Level: Current pedal assist setting.
• Lights: Indicator for headlights.
• Error Codes: Displays codes for system malfunctions.
• Gears: Current gear selection.

5.5 Riding Modes

• Pure Electric Mode: Use the throttle for motor power without pedaling.
• Auxiliary Pedal Mode (PAS): The motor assists your pedaling effort.
• Pure Pedal Mode: Ride the bike like a traditional bicycle with no motor assistance.

6. Maintenance

Regular maintenance ensures the longevity and safe operation of your e-bike.

• Battery Care:
  • Charge the battery fully after each ride, especially if storing for extended periods.
  • Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures.
  • Do not fully discharge the battery regularly.
• Tire Pressure: Check tire pressure before each ride. Maintain recommended pressure for optimal performance and safety (refer to tire sidewall for specific PSI/BAR).
• Brakes: Regularly inspect brake pads for wear and brake levers for proper function. Adjust or replace as needed. Ensure hydraulic fluid levels are adequate.
• Chain: Keep the chain clean and lubricated to prevent rust and ensure smooth shifting.
• Fasteners: Periodically check all bolts, nuts, and quick releases for tightness.
• Cleaning: Clean the bike with a damp cloth and mild soap. Avoid high-pressure washing directly on electrical components.
• Suspension: Inspect suspension components for damage and ensure smooth operation.

7. Troubleshooting

This section addresses common issues you might encounter.

8. Specifications

9. Warranty and Support

Shengmilo provides comprehensive warranty and support for your electric bike.

• Repair and Parts Replacement Service: 1 year.
• Electrical Components Warranty:
  • Motors, controllers, batteries, chargers, electric accelerators, pedal assist sensors: 6 months.
  • Display instruments: 12 months.
• Basic Parts Warranty:
  • Frame: 12 months.
  • Flywheel: 3 months.
• Wearing Parts: Tires, brake pads, etc., are considered wearing parts and are not covered under repair and replacement. These will need to be purchased separately if damaged.

For further assistance or to claim warranty, please contact Shengmilo customer support through the official channels or your point of purchase.

10. Official Product Videos

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