1. Introduction
Welcome to the ASKGO F12 Electric Folding Bike user manual. This guide provides essential information for the safe 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.
For your safety, always wear a helmet and appropriate safety gear when riding. Adhere to all local traffic laws and regulations.
2. Package Contents
Upon unboxing, please verify that all components listed below are present and undamaged:
- ASKGO F12 Electric Folding Bike (1 unit)
- Recharger (1 unit)
- Tool Kit (1 unit)
- User Manual (This document)

Image: The ASKGO F12 Electric Folding Bike in its assembled state, showcasing its compact design.
3. Setup and Assembly
Your ASKGO F12 Electric Folding Bike comes mostly pre-assembled. Follow these steps for final setup:
- Unfolding the Bike: Carefully unfold the frame until it locks into place. Ensure all quick-release levers are securely fastened.
- Handlebar Adjustment: Adjust the handlebar height to a comfortable riding position and secure the quick-release clamp.
- Seat Adjustment: Adjust the seat post height to allow for a slight bend in your knee when the pedal is at its lowest point. Secure the quick-release clamp.
- Pedal Installation: Attach the pedals (if not already installed) using the provided tool kit. Note that pedals are typically marked 'L' for left and 'R' for right.
- Initial Battery Charge: Before your first ride, fully charge the battery. Refer to the 'Battery Management' section for details.
- Pre-Ride Check: Inspect tire pressure, brake function, and ensure all bolts and quick-release mechanisms are tight.

Image: Detailed dimensions of the ASKGO F12 Electric Folding Bike, including folded size and recommended rider height.
4. Operating Instructions
The ASKGO F12 offers multiple riding modes for versatile use.
4.1 Power On/Off and Display
To power on the bike, press and hold the power button on the Liquid Crystal Display (LCD) unit. The display will show battery level, current speed, selected gear, and mileage. Press and hold the power button again to turn off the bike.

Image: Close-up of the Liquid Crystal Display, showing battery level, travel speed, gear shift, mileage, and controls for power and gear adjustment.
4.2 Riding Modes
The bike features three distinct riding modes:
- Pure Electric Mode: Engage the throttle for motor-assisted propulsion without pedaling.
- Pedal Assist Mode: The motor provides assistance as you pedal, making riding easier, especially on inclines.
- Ordinary Bicycle Mode: Ride the bike like a traditional bicycle, without any motor assistance.
4.3 Gear Shifting
The bike is equipped with 3 gear speeds. Use the gear shifter on the handlebar to select your preferred level of pedal assistance or speed in pure electric mode.
4.4 Braking System
The ASKGO F12 features front and rear dual mechanical disc brakes. Apply both brakes simultaneously for effective and controlled stopping. Regularly check brake pads and cables for wear.

Image: Illustration of the 14-inch pneumatic tires, highlighting their suitability for various road conditions including soft, level, bumpy, and hard surfaces.
5. Battery Management
The ASKGO F12 is powered by a 48V 15AH removable lithium-ion battery.
5.1 Charging
To charge the battery, connect the provided recharger to the battery charging port and then to a standard power outlet. A full charge typically takes 4-5 hours. The indicator light on the charger will change when charging is complete.
5.2 Battery Removal and Installation
The battery is designed to be removable for convenient charging or storage. Follow the instructions in the included tool kit for safe removal and re-installation.
5.3 Battery Care
- Avoid fully discharging the battery regularly.
- Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures.
- If storing for extended periods, charge the battery to approximately 50-60% every 2-3 months.

Image: Illustration of the 48V 10AH removable battery integrated into the bike frame, highlighting its high power, safety, long range, and charging time.
6. Maintenance
Regular maintenance ensures the longevity and safe operation of your ASKGO F12 Electric Folding Bike.
6.1 Cleaning
Clean the bike regularly with a damp cloth. Avoid using high-pressure water jets directly on electrical components.
6.2 Tire Pressure
Maintain proper tire pressure as indicated on the tire sidewall. Incorrect pressure can affect ride quality, range, and tire lifespan.
6.3 Brake System
Periodically check brake levers for proper tension and brake pads for wear. Replace worn pads promptly.
6.4 Suspension System
The bike features a full shock absorption system, including front fork, middle, rear, and cushion-type dual spring shock absorbers. Inspect these components for any signs of damage or excessive wear.

Image: Diagram illustrating the dual front suspension system and double seat suspension, designed to absorb bumps for a comfortable ride.
7. Troubleshooting
This section addresses common issues you might encounter with your ASKGO F12 Electric Folding Bike.
- Bike not powering on: Check if the battery is properly installed and charged. Ensure all electrical connections are secure.
- Motor not engaging: Verify that the bike is in an electric or pedal-assist mode. Check for any error codes on the LCD display. Ensure the throttle or pedal-assist sensor is functioning correctly.
- Reduced range or power: This could indicate a low battery charge or a degrading battery. Ensure the battery is fully charged before each ride. Extreme temperatures can also affect battery performance.
- Flat tire: Inspect the tire for punctures. If a puncture is found, the inner tube will need to be repaired or replaced. Ensure proper tire pressure is maintained to prevent flats.
- Brakes not effective: Check brake pad wear and adjust brake cable tension. If pads are worn, replace them.
If you encounter an issue not listed here or cannot resolve a problem, please contact customer support.
8. Specifications
Key technical specifications for the ASKGO F12 Electric Folding Bike:
| Feature | Specification |
|---|---|
| Model Name | F12 |
| Bike Type | Folding Bike |
| Motor Power | 500W Brushless Motor |
| Battery | 48V 15AH Removable Li-on |
| Max Speed | Up to 25 MPH |
| Max Range (Pure Electric) | Approx. 30-35 Miles (depending on load/terrain) |
| Charging Time | 4-5 Hours |
| Wheel Size | 14 Inches (Pneumatic Tires) |
| Frame Material | Carbon Steel |
| Suspension Type | Dual (Front Fork, Middle, Rear, Cushion Dual Spring) |
| Number of Speeds | 3 |
| Brake Style | Dual Mechanical Disc Brakes |
| Product Weight | Approx. 46 lbs |
| Maximum Load Capacity | 265 lbs |
| Recommended Rider Height | 4.9 ft - 5.9 ft |

Image: Diagram illustrating the 500W powerful motor, highlighting its high power, top speed, maximum mileage, and elevation capability.
9. Warranty and Support
9.1 Warranty Information
The ASKGO F12 Electric Folding Bike comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects in materials and workmanship. It does not cover damage due to misuse, accidents, normal wear and tear, or unauthorized modifications.
9.2 Customer Support
For warranty claims, technical assistance, or any questions regarding your ASKGO F12 Electric Folding Bike, please contact the seller or manufacturer directly. Refer to your purchase documentation for specific contact details.
You can also visit the ASKGO Store on Amazon for more information and support resources.

