1. Important Safety Guidelines
Read this manual thoroughly before operating your VIRIBUS Electric Tricycle. Failure to follow instructions and safety warnings may result in serious injury or product damage. Always wear a helmet and appropriate safety gear when riding.
- Always perform a pre-ride inspection: check tire pressure, brakes, battery charge, and all connections.
- Do not operate the tricycle under the influence of alcohol or drugs.
- Adhere to local traffic laws and regulations.
- Ensure the battery is securely locked in place before riding.
- Do not exceed the maximum weight recommendation of 330 pounds.
- Avoid riding in adverse weather conditions or on slippery surfaces.
- Keep hands and feet clear of moving parts, especially the chain and wheels.
2. Product Overview
The VIRIBUS 26-inch Electric Tricycle is designed for adults, offering a stable and comfortable riding experience with electric assistance. It features a 350W front hub motor, a 468Wh removable battery, and a 7-speed derailleur system.

Image: The VIRIBUS 26-inch Electric Tricycle, showcasing its design and large rear basket.
3. Setup and Assembly
Your VIRIBUS Electric Tricycle requires assembly. Please follow the steps carefully. It is recommended to have a second person assist with assembly.
3.1 Included Components
Before starting, ensure all components listed below are present:
- 1x Adult Electric Tricycle (partially assembled)
- 1x Charger
- 1x Battery
- 1x Power Cord
- 1x Screwdriver
- 1x Wrench Set
- 1x Instructions (this manual)
- Basket
- Horn
- Lock

Image: Charger, power cord, and combination lock included with the tricycle.
3.2 Assembly Process
The tricycle features a dual-chain design with a pre-installed gearbox to simplify assembly. Refer to the detailed assembly instructions provided in the separate assembly guide or online video for step-by-step visual assistance.

Image: The dual-chain design of the VIRIBUS tricycle, highlighting its simplified assembly compared to other models.
- Unpack all components and lay them out.
- Attach the handlebars and adjust to a comfortable height.
- Install the front wheel and fender.
- Assemble the rear axle and wheels, ensuring proper chain tension.
- Mount the rear basket securely.
- Install the seat post and saddle, adjusting for rider comfort.
- Connect all electrical cables, ensuring they are securely fastened and aligned correctly (e.g., motor cable connectors have arrows that must be lined up).
- Perform a functional check of brakes, gears, and lights.
4. Battery Management
4.1 Charging the Battery
The VIRIBUS Electric Tricycle is equipped with a removable 36V 13Ah (468Wh) lithium battery. For optimal performance and longevity, fully charge the battery before first use and after each ride.
- Locate the charging port on the battery. The battery can be charged while installed on the tricycle or removed.
- Connect the charger to the battery's charging port, then plug the charger into a standard wall outlet.
- The charger indicator light will show charging status (typically red for charging, green for fully charged).
- Do not overcharge the battery. Disconnect the charger once charging is complete.
- Store the battery in a cool, dry place when not in use.

Image: The removable 36V 13Ah battery, showing its UL2271 certification for safety.
4.2 Battery Installation and Removal
- To remove the battery, unlock it using the provided key and slide it out of its housing.
- To install, slide the battery into the housing until it clicks into place, then lock it with the key. Ensure it is secure before riding.
5. Operation
5.1 Riding Modes
The VIRIBUS Electric Tricycle offers three distinct riding modes:
- Manual Control: Ride as a traditional tricycle using the 7-speed Shimano derailleur.
- Pedal Assist System (PAS): The motor provides assistance as you pedal. There are 5 levels of pedal assist, allowing you to choose the desired level of power.
- Throttle Mode: Use the twist throttle for power on demand without pedaling, reaching a maximum speed of 15.5 mph.

Image: Visual representation of the three riding modes: Throttle, Pedal Assist, and Manual.
5.2 Controls and Display
The handlebars feature intuitive controls for easy operation. The LCD display provides essential riding information.

Image: Handlebar controls and the LCD display panel.
- Light Control: Activates the front LED headlight.
- Throttle Control: Twist grip on the right handlebar for electric power.
- Horn Control: Button for audible warning.
- LCD Display: Monitors battery life, current speed, distance traveled (odometer), and selected pedal assist level (1-5).
5.3 Gear Shifting
The 7-speed Shimano derailleur allows you to adjust your pedaling effort to match terrain and speed. Use the thumb shifter on the handlebars to change gears smoothly.

Image: The 7-speed Shimano derailleur shifter for steady control.
6. Comfort and Storage Features
6.1 Cushioned Saddle
The tricycle is equipped with a spring suspension saddle designed for comfort, absorbing bumps for a smoother ride. The saddle is adjustable to suit rider height and preference.
6.2 Spacious Rear Basket
A large rear basket is included, capable of accommodating up to 110 lb (50 kg). This provides ample space for groceries, personal items, or even small pets.

Image: The cushioned saddle and the spacious rear basket.
7. Maintenance
Regular maintenance ensures the longevity and safe operation of your electric tricycle.
- Tires: Check tire pressure before each ride. Maintain pressure within the recommended range printed on the tire sidewall. Inspect for wear and damage.
- Brakes: Regularly check brake pads for wear and ensure brake levers provide firm, responsive stopping power. Adjust as needed.
- Chain: Keep the chain clean and lubricated to prevent rust and ensure smooth gear changes.
- Battery: Keep battery terminals clean. Charge the battery regularly, even if not in use, to maintain its health. Avoid fully discharging the battery.
- Fasteners: Periodically check all nuts, bolts, and quick-release levers to ensure they are tight and secure.
- Cleaning: Clean the tricycle with a damp cloth and mild soap. Avoid high-pressure washing directly on electrical components.
8. Troubleshooting
If you encounter issues with your VIRIBUS Electric Tricycle, refer to the following common problems and solutions:
- Tricycle does not power on:
- Ensure the battery is fully charged and properly installed.
- Check that the battery is locked into place.
- Verify all electrical connections, especially the main power cable and motor cable, are securely connected and correctly aligned (look for alignment arrows on connectors).
- Motor not assisting or throttle not working:
- Check the battery charge level on the LCD display.
- Ensure all motor and controller cables are firmly connected.
- Verify the PAS level is set above 0 if using pedal assist.
- Brakes feel weak:
- Inspect brake pads for wear and replace if necessary.
- Adjust brake cable tension.
- Gears are not shifting smoothly:
- Check for proper chain lubrication.
- Inspect the derailleur for damage or misalignment.
- Adjust derailleur cable tension.
If you cannot resolve an issue, please contact VIRIBUS Customer Support.
9. Specifications
| Model Name | Viribus Electric Tricycle for Adults |
| Bike Type | Electric Bike |
| Wheel Size | 26 Inches |
| Motor Wattage | 350W (Peak 700W) |
| Battery | 36V 13Ah (468Wh) Removable Lithium Battery |
| Max Speed | 15.5 mph |
| Range (Full Throttle) | Up to 31 miles |
| Range (Pedal Assist) | 55-60 miles (depending on PAS level) |
| Number of Speeds | 7-Speed Shimano Derailleur |
| Brake Style | Disc |
| Frame Material | Carbon Steel |
| Maximum Weight Recommendation | 330 Pounds |
| Minimum User Height | 5.2 Feet |
| Assembly Required | Yes |
10. Warranty and Customer Support
VIRIBUS is committed to providing quality products and support.
10.1 Warranty Information
- 30-Day Return Policy: For quality issues.
- 12-Month Warranty: Covers manufacturing defects.
- Lifetime Technical Support: Assistance with product usage and troubleshooting.
10.2 Customer Support
For any questions, assistance with assembly, or troubleshooting, please contact our customer support team:
- Phone: +1 (320) 377-3106 (Monday – Friday, 9:00 AM – 5:00 PM PST)
- Email: support@viribusbikes.com







