Flebi Supra 4.0
Flebi Supra 4.0 Electric Folding Bicycle User Manual
Model: Supra 4.0 | Brand: Flebi
Introduction
This manual provides essential information for the safe and efficient use of your Flebi Supra 4.0 Electric Folding Bicycle. Please read it thoroughly before assembly and operation to ensure proper function and longevity of your bicycle. Keep this manual for future reference.

Image: The Flebi Supra 4.0 Electric Folding Bicycle in both its unfolded and compact folded states.
Safety Information
Always prioritize safety when operating your electric bicycle. Adhere to local traffic laws and regulations. Wearing a helmet is strongly recommended. Ensure all components are securely fastened before each ride.
- Regularly inspect brakes, tires, and all moving parts.
- Do not exceed the maximum load capacity of 110 kg.
- Ensure the battery is properly secured and charged before use.
- Avoid riding in adverse weather conditions or on slippery surfaces.
- Use integrated lights during low-light conditions.
Setup and Initial Assembly
Your Flebi Supra 4.0 comes mostly pre-assembled. Follow these steps for final setup:
- Unboxing: Carefully remove the bicycle from its packaging. Retain all packaging materials until you are satisfied with the product.
- Remove Protective Materials: Unpack all protective foam and cardboard from the bicycle frame, wheels, and handlebars.
- Unfold the Bicycle:
- Release the main frame hinge.
- Extend the handlebar post and secure it with the quick-release lever.
- Extend the seat post and secure it.
- Install Pedals:
- Identify the 'R' (Right) and 'L' (Left) markings on the pedal axles.
- The right pedal screws in clockwise.
- The left pedal screws in counter-clockwise.
- Use a 15mm wrench to tighten securely.
- Install Bell: Attach the bell to the handlebar using a screwdriver, ensuring it is within easy reach.
- Attach Bungee Cord (Pulpo): Secure the provided bungee cord to the rear rack for cargo.
- Initial Battery Charge:
- Locate the charging port on the bicycle frame.
- Connect the charger to the port, then plug it into a power outlet.
- The charger light will be red during charging and turn green when fully charged.
- The battery is removable for convenient charging indoors.
Video: A detailed guide on unboxing and initial assembly of the Flebi Supra 4.0, including pedal installation, seat adjustment, and battery charging. This video also demonstrates the bicycle's usage in various urban settings.

Image: The Flebi Supra 4.0 showcasing its compact folded size and indicating a maximum load capacity of 110 kg and maximum rider height of 185 cm.
Operating Your Flebi Supra 4.0
The Flebi Supra 4.0 is designed for urban commuting with ease and efficiency.
- Power On/Off: Use the power button on the display unit to turn the bicycle's electrical system on or off.
- Pedal Assist System: The bicycle features a 250W brushless front motor with 3 speeds. Select your desired assist level using the controls on the handlebar. The motor provides assistance up to 25 km/h.
- Shimano Nexus 3V Gear System: Utilize the internal 3-speed Shimano Nexus gear system for smooth transitions and adaptability to various urban terrains.
- Braking: The hydraulic disc brakes provide reliable stopping power. Apply both brakes gently and evenly for optimal control.
- Digital Display: The M500U digital display offers clear visualization of speed, battery level, and assist mode, even in bright daylight.
- Folding Mechanism: The ultra-compact folding mechanism allows for quick folding in 10 seconds, making it easy to store or transport like a trolley.

Image: Illustration of the front motor providing balanced and efficient pedal assistance.

Image: The Flebi Supra 4.0 in its folded state, demonstrating its trolley-like portability for easy transport.
Maintenance
Regular maintenance ensures the optimal performance and longevity of your Flebi Supra 4.0.
- Battery Care:
- Charge the battery regularly, even if not in use, to maintain its health.
- Avoid completely draining the battery.
- Store the battery in a cool, dry place.
- Tire Pressure: Check tire pressure before each ride. The 16-inch Schwalbe tires require specific pressure for optimal performance and safety. Refer to the tire sidewall for recommended pressure.
- Brake Inspection: Periodically check the hydraulic disc brakes for wear on the pads and proper function. Ensure brake levers are responsive.
- Cleaning: Clean the bicycle with a damp cloth. Avoid using high-pressure water jets directly on electrical components.
- Fasteners: Regularly check all bolts and quick-release levers to ensure they are tight and secure.
Troubleshooting
Here are solutions to common issues you might encounter:
- Bicycle not powering on:
- Ensure the battery is fully charged and correctly inserted.
- Check all cable connections for looseness.
- Motor not providing assist:
- Verify that the pedal assist level is set above zero on the display.
- Check if the battery has sufficient charge.
- Brakes feel spongy:
- This may indicate air in the hydraulic system or worn brake pads. Consult a qualified bicycle technician.
- Unusual noises during operation:
- Inspect for loose components, chain issues, or debris in moving parts.
For issues not covered here, please contact Flebi customer support.
Specifications
| Feature | Detail |
|---|---|
| Model | Flebi Supra 4.0 |
| Type | Electric Folding Bicycle |
| Wheel Size | 16 Inches |
| Motor | 250W Brushless Front Motor |
| Battery | 36V 10.4Ah / 374Wh (Removable) |
| Range (Autonomy) | Up to 70 km |
| Speeds | 3 (Shimano Nexus Internal Gear Hub) |
| Brakes | Hydraulic Disc Brakes |
| Frame Material | Aluminum |
| Suspension Type | Rigid (with rear elastomer for comfort) |
| Product Weight | 16.8 kg |
| Max Load Capacity | 110 kg |
| Special Features | Double Disc Brake, Multi-speed, Digital Display, Foldable, Rechargeable |
| Included Components | Horn, Charger, Installed Mudguards, Installed Reflectors |

Image: Key features of the Flebi Supra 4.0, including 16-inch wheels with Schwalbe tires and an extended autonomy of over 70 km.
Warranty and Support
Flebi is committed to providing quality products and customer satisfaction. For warranty information, technical support, or any inquiries regarding your Flebi Supra 4.0, please contact the manufacturer directly.
As a product from a small business, your support is valued. For direct assistance, please refer to the contact information provided with your purchase or visit the official Flebi website.
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