Funhang EB-S1 Electric Bike User Manual

1. Safety Information

Your safety is paramount. Please read and understand all instructions and warnings before operating the Funhang EB-S1 Electric Bike. Failure to do so may result in serious injury or property damage.

• Always wear a helmet and appropriate safety gear when riding.
• Ensure all components are properly assembled and tightened before each ride.
• Familiarize yourself with local laws and regulations regarding electric bicycles.
• Do not operate the e-bike under the influence of alcohol or drugs.
• Be aware of your surroundings and ride defensively.
• Avoid riding in adverse weather conditions, such as heavy rain or snow, unless the bike is specifically designed and equipped for such conditions.
• Regularly inspect brakes, tires, and battery for proper function and wear.

2. Components Overview

The Funhang EB-S1 Electric Bike is designed with high-quality components for a reliable and enjoyable riding experience.

Key features include:

• 1000W Peak Motor: A powerful 500W (1000W peak) motor with 66.6NM torque, providing a top speed of up to 25mph.



• 48V 13AH Removable Battery: A large capacity Li-ion battery offering 30-35 miles in pure electric mode and 55-60 miles in pedal-assist mode. It is IPX5 waterproof and BMS protected.



• 26"x4.0 Fat Tires: Anti-skidding fat tires designed for excellent grip and stability across various terrains including beach, snow, sand, mountain, and gravel roads.



• Rear Cargo Rack: A sturdy and durable rear rack capable of carrying up to 60 pounds of cargo.



• Lighting System: Equipped with a bright headlight and taillight/turn signals for enhanced visibility and safety during nighttime rides.



• Lockable Suspension Fork: Front suspension forks that can be locked to minimize the impact of bumps, providing a comfortable ride.
• LCD Display: A clear LCD display showing riding speed, battery level, pedal assist levels, mileage, and more.
• 7-Speed Gears: Professional 7-speed gears for versatile riding conditions.
• Dual Disc Brakes: 180mm dual disc brakes for reliable stopping power.

3. Setup Guide

The Funhang EB-S1 Electric Bike is 85% pre-assembled. Please follow these steps carefully to complete the assembly.

3.1 Assembly Video

For a visual guide, please refer to the official assembly video:

3.2 Step-by-Step Assembly

1. Tighten the Kickstand Bolts: Ensure the kickstand is securely fastened to the bike frame.
2. Install the Front Wheel:
   • Remove the fixing rod from the front fork.
   • Remove the safety washers and spacers from both sides of the front wheel.
   • Align the front fork with the axle in the center of the front wheel.
   • Attach the safety washer and spacer on both sides.
   • Tighten the screws to secure the wheel.
3. Adjust the Stem and Install the Handlebar:
   • Loosen the 3 bolts on the stem and turn the e-bike stem forward.
   • Tighten the 3 bolts.
   • Loosen the four screws from the e-bike stem.
   • Place the handlebar in place, ensuring it is level.
   • Tighten the four screws to fix the handlebar securely.
4. Install the Front Fender and Headlight:
   • Loosen the screw on the front fork using the included tool.
   • Attach the headlight and front fender in place.
   • Tighten the bolts and secure the fender support to both sides of the front fork.
5. Adjust the Saddle: Adjust the saddle to a proper height for comfortable riding.
6. Install the Pedals:
   • Install the left pedal (marked with "L" sticker) counter-clockwise.
   • Install the right pedal (marked with "R" sticker) clockwise.
7. Attach the Black Covers: Attach the black nut covers to the rear wheel nuts on both sides and the black cover to the head tube.

4. Operating Instructions

4.1 Display Operations

To operate the display:

1. Power on the battery and turn on the display by pressing the power button.
2. Short press the middle button to toggle between odometer, trip distance, and voltage display.
3. Use the "+" button to increase the pedal assist level and the "-" button to decrease it.
4. To enter the setting mode, press and hold the "+" and "-" buttons simultaneously for 3 seconds.
5. In setting mode, P01 indicates backlight brightness control (1=darkest, 2=medium, 3=brightest).
6. Press the middle button once to enter the next setting. P02 indicates mileage unit (switch between KM and MILE).
7. P04 indicates dormancy time (0 means e-bike will not turn off automatically; 1-60 are dormancy times in minutes).
8. P08 indicates speed limiter unlock. Press "+" to 40 to change the speed limiter, allowing the e-bike to go faster.
9. P16 indicates ODO reset. Long press "+" for 5 seconds to reset mileage to 0.
10. To exit the setting mode, press and hold "+" and "-" buttons simultaneously for 3 seconds.

4.2 Riding Modes

The Funhang EB-S1 offers 5 working modes and 5 pedal assist levels:

• Pure Electric Mode: Turn on the LCD display and twist the throttle for power.
• Assisted Bicycle Mode (PAS): When you pedal the bike, the motor will offer a moderate amount of power.
• Normal Bike Mode: Ride the bicycle without activating the LCD display, following regular pedaling patterns.
• Cruise Mode: If you enter the cruise mode, your current speed will remain constant. To enter, long press the "-" button when speed is more than 6.2mph. The display will flash "p". To exit, use the brakes or throttle.
• Booster Mode: In booster mode, you can push the e-bike effortlessly, especially when going uphill. To enter, long press the "-" button until the display shows "p". The e-bike will move at a speed no more than 4.2mph. To exit, squeeze the brake.

4.3 Headlight, Taillight, and Turn Signal

To operate the lighting and signaling features:

• Press the light button on the handlebar controls to turn on/off the headlight and taillight.
• Slide the left/right switch to activate the left or right turn signal.
• Press the bottom button to activate the horn.

5. Battery Management

5.1 Charging the Battery

The 48V 13AH battery can be charged both on and off the e-bike.

Charging on the E-bike:

1. Install the charger and plug in the power adapter.
2. Connect the charger to the e-bike charging port.
3. The charger's indicator light will turn green from red when the battery is fully charged.

Charging off the E-bike:

1. Remove the battery from the e-bike.
2. Connect the charger directly to the battery's charging port.
3. The charger's indicator light will turn green from red when the battery is fully charged.

Charging time is approximately 6.5 hours.

5.2 Battery Security Lock and Removal

To remove or secure the battery:

1. Turn the key to the unlock position.
2. Slide the battery upwards and lift it off the base.
3. To reinstall, slowly align and push the battery down into the base, then use the key to lock it securely.

6. Maintenance

Regular maintenance ensures the longevity and optimal performance of your Funhang EB-S1 Electric Bike.

• Tire Pressure: Check tire pressure regularly and maintain it according to the recommended levels on the tire sidewall.
• Brakes: Inspect brake pads and rotors for wear. Adjust or replace as necessary to ensure effective stopping power.
• Chain: Keep the chain clean and lubricated to prevent rust and ensure smooth gear changes.
• Fasteners: Periodically check all bolts, nuts, and quick releases to ensure they are securely tightened.
• Battery Care: Store the battery in a cool, dry place. Avoid fully discharging the battery for extended periods. Charge it regularly, even if not in use.
• Cleaning: Clean the e-bike with a damp cloth and mild soap. Avoid high-pressure washing directly on electrical components.
• Suspension Fork: Ensure the lockable suspension fork operates smoothly. Clean the stanchions regularly.

7. Troubleshooting

This section provides solutions to common issues you might encounter with your Funhang EB-S1 Electric Bike.

If you encounter issues not listed here or require further assistance, please contact Funhang customer support.

8. Specifications

Detailed specifications for the Funhang EB-S1 Electric Bike:

9. Warranty and Support

Funhang is committed to providing excellent customer service and product support.

• Warranty: The Funhang EB-S1 Electric Bike comes with a 365-day warranty on main parts.
• Technical Support: Lifetime technical support is available.
• Online Help Center: For assembly or operational issues, please refer to the assembly video or user manual. If problems persist, contact Funhang customer service.
• Contacting Support: Find the seller name or your e-bike order, then send your problem with relevant photos and videos. Responses are typically within 24 hours on business days.
• Important Reminder: Ensure all e-bike parts are tightened before riding and always wear a helmet.