AOSTIRMOTOR S07-B Electric Bike User Manual

1. Introduction

Welcome to the AOSTIRMOTOR S07-B Electric Bike user manual. This guide provides essential information for the safe and efficient operation, assembly, maintenance, and troubleshooting of your new electric bicycle. Please read this manual thoroughly before your first ride to ensure optimal performance and safety.

The AOSTIRMOTOR S07-B is a powerful electric bike designed for adults, featuring a 750W motor, 26"x4" fat tires, and a 48V 13AH lithium battery, offering versatile riding experiences across various terrains.

2. Product Overview

Figure 2.1: AOSTIRMOTOR S07-B Electric Bike (Black)

This image displays the complete AOSTIRMOTOR S07-B electric bike in black, showcasing its fat tires, frame design, and integrated battery.

Key Features:

• 750W Powerful Brushless Motor: (Peak 1000W) high-speed brushless motor provides e-bike max speed up to 28 mph. 26"x4" wearproof fat tires fit for multiple terrains, excellent grip and skid resistance. 85N·M of torque, precise and sensitive SHIMANO-7 speed shift gear, suitable for riding on beach, snow, rough terrain and street.
• High Performance Lithium Battery: Ebike with 48V 13Ah removable large capacity lithium battery, 4-6 hours fast charging. Key will firmly lock the battery to the frame, don't worry it easily dropped or being stolen. Battery is removable, waterproof and convenient to bring home or office for charging.
• 3 Working Modes: Electric bike provides 3 riding modes: pedal assist mode (5 levels pedal assist), pure electric mode, normal bike mode. Riding range: 29+ Miles by pedal assist; 19+ Miles by pure electric. (this is calculated based on the rider's weight of 100kg, range varies based on road conditions, weather, rider weight, etc.).
• Easy to Assemble and Maintain: Electric bikes for adults are 95% pre-assembled. Lightweight Aluminum Alloy frame, equipped with high-strength lockable suspension front fork & mechanical disc brakes, effectively reduce frame vibration, driving more smooth and comfortable, it quickly and stably stop when braking at high speed, greatly shortening the braking distance, more safer. Recommended Height 5.4-6.3 FT.
• Upgrade Humanized Design: Electric bicycles use SW-U-LCD display with a USB port, can charge your phone. HD LCD display clearly shows speed, power, mileage and electricity. The rear rack can hold a bicycle Bag with a load of 25KG, more convenient for your travel. Headlight are powered by ebike batteries, and rear reflector make riding safer at night.

Figure 2.2: Technical Specifications and Dimensions

This diagram illustrates the key dimensions and specifications of the S07-B electric bike, including total length, handlebar height, wheel size, and weight capacity.

Specifications:

3. Setup and Assembly

Your AOSTIRMOTOR S07-B electric bike comes 95% pre-assembled. Follow these steps for final assembly. It is recommended to have assistance due to the bike's weight.

3.1 Unboxing and Preparation

1. Carefully cut the straps securing the box.
2. Open the box and remove the accessory box (containing the fender and tools).
3. Remove all styrofoam and plastic wrapping from the bike. Recycle packaging materials according to local standards.

3.2 Handlebar Installation

1. Using the provided Allen key from your toolkit, remove the clamp from the handlebar stem.
2. Place the handlebars onto the stem, ensuring they are centered.
3. Re-attach the clamp and tighten the screws securely to prevent movement.

3.3 Front Wheel Installation

1. Carefully flip the bike upside down, resting it on the seat and handlebars.
2. Remove the protective plastic cover from the front wheel's disc brake.
3. Using a wrench, remove the nuts and washers from both sides of the front wheel axle. Keep these safe.
4. Lift the front wheel and align the disc brake into the caliper on the fork.
5. Slide the axle through the forks, ensuring proper alignment.
6. Re-attach the washers and nuts to both sides of the axle. Tighten them securely with your fingers first, then use the wrench to fully tighten, ensuring the wheel is firmly in place and does not wobble.
7. Flip the bike right side up.

3.4 Front Fender Installation

1. Remove the light from its mounting point on the front fork.
2. Feed the front fender through the fork, aligning its mounting hole with the hole on the fork.
3. Insert the bolt through the fender and fork, then re-attach the light to secure the fender.
4. Tighten the bolt with the Allen key, adjusting the fender's position so it does not rub against the tire.

3.5 Pedal Installation

Identify the left (L) and right (R) pedals. The right pedal (R) is installed on the side with the chain, and the left pedal (L) is on the opposite side.

1. Take the right pedal (marked 'R') and insert it into the crank arm on the chain side.
2. Use a wrench to tighten the pedal securely. Note that the right pedal tightens clockwise.
3. Take the left pedal (marked 'L') and insert it into the crank arm on the non-chain side.
4. Use a wrench to tighten the pedal securely. Note that the left pedal tightens counter-clockwise.

4. Operating the Electric Bike

4.1 Charging the Battery

The 48V 13AH lithium battery is removable for convenient charging at home or office. Connect the charger to the battery and a power outlet. A full charge typically takes 4-6 hours. Ensure the battery is securely locked to the frame before riding.

Figure 4.1: 48V 13AH Lithium Battery Components

This image illustrates the internal components and external appearance of the 48V 13AH removable lithium battery.

4.2 Riding Modes

The S07-B offers three distinct riding modes:

• Pedal Assist Mode (PAS): Provides 5 levels of electric assistance as you pedal. This mode extends your riding range significantly (29+ miles).
• Pure Electric Mode: Engages the motor fully via the throttle, allowing you to ride without pedaling (19+ miles range).
• Normal Bike Mode: Functions as a traditional bicycle with no electric assistance.

Figure 4.2: Three Riding Modes Explained

This graphic visually explains the three available riding modes: Human Riding Mode (normal bicycle), Start Electric Mode (pure electric), and Intelligent Power-Assisted Mode (pedal assist).

4.3 SW-U-LCD Display

The HD LCD display provides real-time information and features a USB port for charging your phone. It clearly shows:

• Speed
• Power output
• Mileage
• Battery charge level

Figure 4.3: SW-U-LCD Display Interface

This image shows the SW-U-LCD display, highlighting its various indicators for speed, power, mileage, and battery status.

4.4 Shimano 7-Speed Gear System

The Shimano 7-speed gear system allows you to adapt to various terrains and conditions, providing precise and sensitive shifting for optimal riding comfort and efficiency.

Figure 4.4: Shimano 7-Speed Gear System Details

This image provides a close-up view of the Shimano 7-speed gear components, including the pointer, derailleur, dental plate, and disc brake.

5. Maintenance

Regular maintenance is crucial for the longevity and safe operation of your electric bike. Perform the following checks periodically:

• Tire Pressure: Check tire pressure before each ride. The 26"x4" fat tires require specific pressure for optimal performance and comfort on different terrains.
• Brakes: Regularly inspect brake pads and discs for wear. Ensure brake levers are responsive and provide adequate stopping power. Adjust or replace as needed.
• Chain: Keep the chain clean and lubricated to ensure smooth gear changes and prevent rust.
• Bolts and Fasteners: Periodically check all bolts and fasteners, especially on the handlebars, wheels, and seat post, to ensure they are tight and secure.
• Battery Care: Store the battery in a cool, dry place. Avoid fully discharging the battery and charge it regularly, even when not in use, to prolong its lifespan.
• Cleaning: Clean your bike regularly with a damp cloth. Avoid high-pressure water jets directly on electrical components.

6. Troubleshooting

If you encounter issues with your AOSTIRMOTOR S07-B, refer to the following common troubleshooting tips:

• Bike not turning on:
  • Check if the battery is fully charged and securely installed.
  • Ensure all electrical connections are firm.
• Motor not assisting:
  • Verify that the pedal assist level is set correctly on the LCD display.
  • Check if the throttle is engaged (if in pure electric mode).
  • Ensure the battery is providing power.
• Brakes squealing or not effective:
  • Inspect brake pads for wear and replace if necessary.
  • Clean brake discs if contaminated with oil or dirt.
  • Adjust brake cable tension.
• Unusual noises:
  • Check for loose bolts or components.
  • Inspect the chain for proper lubrication and tension.
  • Ensure no foreign objects are caught in the wheels or drivetrain.

Frequently Asked Questions (FAQs):

• How do I finish my assembly? Our electric bikes are 95% pre-assembled and you can finish it with installation video. The video is on our product page.
• How to contact the seller? You can find us directly through the order, we will reply to you as soon as possible within 24 hours. You can also find us by email.
• What is return policy? You can download the return policy and terms on our product pages. After receiving the product, please keep the box for 1 month for possible returns.

7. Warranty and Support

AOSTIRMOTOR provides comprehensive after-sales protection for your electric bike:

• Warranty: All AOSTIRMOTOR Ebikes come with a 365-day warranty covering the battery, motor, controller, display, and other non-wearing parts.
• Technical Support: Lifetime technical support is offered. If you encounter any problems, professional after-sales personnel and technicians are available to assist you.

For further assistance or inquiries, please refer to the contact methods provided on the product page or your order details.