1. Introduction
This manual provides essential information for the safe assembly, operation, and maintenance of your Likebike U12 Electric Bike. Please read this manual thoroughly before your first ride and keep it for future reference. Proper understanding and adherence to these instructions will ensure optimal performance and longevity of your electric bike.
2. Safety Guidelines
- Always wear a helmet and appropriate safety gear when riding.
- Familiarize yourself with local traffic laws and regulations.
- Perform a pre-ride inspection before each use, checking brakes, tires, battery, and all connections.
- Do not ride under the influence of alcohol or drugs.
- Riders under 16 years of age should use the bike under adult supervision.
- Ensure all components are securely fastened before riding.
- The UL-certified battery is designed with waterproof and anti-theft features, allowing safe outdoor charging.
3. Package Contents
Your Likebike U12 Electric Bike package includes the following items:
- Likebike U12 Electric Bike (90% pre-assembled)
- 48V 20Ah Removable Battery
- 3A Charger
- Tool Kit
- User Manual
- Front Fender
- Headlight
- Rear Taillight
- Pedals
- Rear Footrests

4. Assembly
Your Likebike U12 Electric Bike arrives approximately 90% pre-assembled. Follow the steps below to complete the assembly. For a visual guide, please refer to the official assembly video.
Video 1: Likebike U12 Unboxing and Assembly. This video provides a detailed walkthrough of the assembly process.
4.1. Kickstand Installation
- Locate the kickstand and its mounting bolts.
- Attach the kickstand to the designated mounting points on the bike frame using the provided bolts and Allen wrench. Ensure it is securely tightened.
4.2. Rear Fender and Taillight Installation
- Attach the rear fender to the frame above the rear wheel.
- Secure the taillight to the rear of the seat frame using the provided hardware. Connect the taillight cable to the corresponding connector.
4.3. Rear Footrests Installation
- Identify the mounting points for the rear footrests on the rear wheel axle.
- Attach the footrests using the provided bolts and Allen wrench, ensuring they are firmly secured.
4.4. Front Fender Installation
- Position the front fender over the front wheel.
- Secure the fender to the front fork using the provided screws.
4.5. Front Wheel and Brake Disc Assembly
- Attach the brake disc to the front wheel hub. Note: The arrow mark on the brake disc should be assembled counterclockwise.
- Insert the quick-release skewer through the front wheel hub.
- Carefully align the front wheel with the front fork, ensuring the brake disc slides into the brake caliper.
- Tighten the quick-release skewer securely.
4.6. Headlight Installation
- Mount the headlight to the front fork using the provided bracket and screws.
- Connect the headlight cable to the corresponding connector.
4.7. Handlebar Assembly
- Remove the black cover and screw from the top of the stem.
- Insert the handlebar stem into the fork's steerer tube.
- Replace the top screw and cover, tightening the top screw first.
- Tighten the two side screws on the stem to secure the handlebar.
- Adjust the brake levers to a comfortable position and tighten their screws.
4.8. Pedal Installation
- Identify the 'R' (Right) and 'L' (Left) markings on the pedals and crank arms.
- For the right pedal, turn clockwise to tighten.
- For the left pedal, turn counterclockwise to tighten.
- Use a wrench to ensure pedals are securely fastened.
5. Battery Information
The Likebike U12 is equipped with a 48V 20Ah removable, UL-certified battery. It features waterproof and anti-theft design for enhanced safety and convenience.
5.1. Charging the Battery
- Ensure the battery is either installed on the bike or removed.
- Connect the 3A charger to a power outlet.
- Plug the charger into the battery's charging port.
- The charging indicator on the charger will show the charging status. A full charge typically takes 5-7 hours.
- Disconnect the charger once charging is complete.

5.2. Battery Installation and Removal
- To install, align the battery with the frame's battery compartment and slide it in until it clicks into place. Use the key to lock it.
- To remove, unlock the battery with the key, then slide it out of the compartment.
5.3. Checking Battery Level
The battery level indicator light can only be checked after the battery switch is turned on. Press the button on the battery to see the charge level indicated by the LED lights.

6. Operation
6.1. Powering On/Off
- Ensure the battery is installed and locked, and the battery switch is turned on.
- Press and hold the power button on the handlebar display to turn the bike on or off.
6.2. LCD Display Functions
The intelligent LCD display shows real-time data including speed, distance, and battery level. Use the control buttons on the handlebar to navigate through display options and adjust settings.

6.3. Riding Modes and Gears
The Likebike U12 offers 3 distinct riding modes and a 7-speed transmission system:
- Pedal Assist Mode (PAS): Provides motor assistance while you pedal. The level of assistance can be adjusted via the display controls. This mode offers an impressive range of up to 100 miles.
- Throttle Mode: Provides motor power without pedaling. This mode offers a range of approximately 50 miles, depending on load and terrain.
- Manual Mode: Ride the bike like a traditional bicycle without motor assistance.
- 7-Speed Gear: Use the gear shifter on the handlebar to select appropriate gears for different terrains and riding conditions.
6.4. Braking System
The bike is equipped with mechanical disc brakes for strong, responsive stopping power. Always apply both brakes simultaneously for effective and safe braking.
6.5. Lights
The bike includes a bright front headlight for enhanced nighttime visibility and a rear light with reflective and turn-signal functions. Operate the lights using the controls on the handlebar.
7. Maintenance
Regular maintenance ensures the safety and longevity of your Likebike U12 Electric Bike.
- Battery Care: Charge the battery regularly, even when not in use, to maintain its health. Store the battery in a cool, dry place.
- Tire Pressure: Check tire pressure before each ride. The 20" x 4" fat tires require specific pressure for optimal performance and comfort.
- Brake Inspection: Regularly inspect brake pads and rotors for wear. Ensure brake levers are responsive and cables are not frayed.
- Chain Lubrication: Keep the chain clean and lubricated to ensure smooth gear changes and prevent rust.
- General Cleaning: Clean the bike with a damp cloth. Avoid high-pressure washing directly on electrical components.
8. Troubleshooting
If you encounter any issues with your Likebike U12, please refer to the following common troubleshooting tips:
- Bike not powering on: Check if the battery is fully charged, correctly installed, and locked. Ensure the battery switch is turned on.
- Motor not engaging: Verify that the riding mode is correctly selected (Pedal Assist or Throttle). Check all cable connections for looseness.
- Brake issues: Inspect brake pads for wear and ensure they are properly aligned with the rotors. Check brake cable tension.
- For further assistance, please contact customer service.
9. Specifications
Key specifications for the Likebike U12 Electric Bike:
| Feature | Specification |
|---|---|
| Model Name | U12 |
| Bike Type | Electric Bike |
| Motor | 2000W Peak Brushless Motor |
| Max Speed | Up to 32 MPH |
| Battery | 48V 20Ah Removable, UL-Certified Lithium Battery (960 Watt Hours) |
| Charging Time | 5-7 hours (with 3A charger) |
| Range (Pedal Assist) | Up to 100 miles |
| Range (Throttle) | Around 50 miles |
| Wheel Size | 20 Inches |
| Tires | 20" x 4" Puncture-Resistant Snow Fat Tires |
| Gears | 7-Speed Transmission System |
| Suspension | Dual Suspension (Front and Rear) |
| Brakes | Mechanical Disc Brakes |
| Frame Material | High Carbon Steel |
| Ebike Weight | Approx. 66 lbs |
| Maximum Load Capacity | 330 lbs |
| Recommended Height | 5.5 ft - 6.5 ft |
| Special Features | Digital Display, Dual Disc Brake, Dual Suspension, Headlight, Rechargeable |
| UPC | 768274635631 |

10. Warranty & Support
10.1. Warranty Information
The Likebike U12 Electric Bike comes with a 360-day limited warranty. Please retain your proof of purchase for warranty claims.
10.2. Customer Support
Should you have any questions or require assistance, our customer service team is ready to help:
- Email Support: Support@likebike.bike
- Text Support: (281) 905-6035
- Assembly Help: Scan the QR code below for assembly video assistance.

Scan for Assembly Help: https://qr07.cn/B9F8qu





