Introducció
Welcome to the Fafrees F20 Electric Fatbike user manual. This guide provides essential information for the safe operation, maintenance, and troubleshooting of your new electric bicycle. Please read this manual thoroughly before your first ride to ensure optimal performance and safety.
Guia de configuració
Desempaquetatge i muntatge inicial
Your Fafrees F20 electric fatbike comes partially assembled. Follow these steps to complete the setup:
- Traieu amb cura la bicicleta i tots els components de l'embalatge.
- Unfold the frame and secure the locking mechanisms.
- Install the handlebars, ensuring they are aligned and tightened.
- Attach the pedals. Note that pedals are often left (L) and right (R) specific and thread in opposite directions.
- Adjust the seat post height.
- Comproveu la pressió dels pneumàtics.
- Carregueu completament la bateria abans del primer ús.

Image: The Fafrees F20 Electric Fatbike in white, showcasing its overall design and components, ready for initial assembly.
Instal·lació i càrrega de la bateria
The Fafrees F20 features a removable 36V 16Ah lithium battery.
- To install, slide the battery into its compartment until it clicks securely.
- To remove, use the key to unlock and pull the battery out.
- Connect the charger to the battery charging port and then to a power outlet. The indicator light on the charger will show charging status.
- Carregueu fins que el lluminós indicador es torni verd, indicant una càrrega completa.

Imatge: Primer pla view of the Fafrees F20's 16Ah lithium battery, showing its integration into the bike frame and the simple removal process.
Instruccions de funcionament
Encès/Apagat
Locate the power button on the handlebar display. Press and hold to turn the bike on or off.
Modes de conducció
The Fafrees F20 offers three riding modes:
- Mode elèctric: Provides full motor power without pedaling, controlled by the thumb throttle. Estimated range: 55-65 km.
- Mode d'assistència al pedaleig (PAS): The motor provides assistance as you pedal. Adjust assist levels via the display. Estimated range: 90-120 km.
- Mode manual: Ride like a traditional bicycle without motor assistance.

Image: Visual representation of the three riding modes available on the Fafrees F20: Electric, Pedal Assist, and Manual, illustrating their distinct functionalities.
Funcions de visualització
The intelligent LCD display shows important riding data:
- Durada de la bateria restant
- Distància total recorreguda
- Kilometratge actual
- Velocitat actual
- Nivell d'assistència

Image: Close-up of the Fafrees F20's multi-function smart display, showing various metrics like battery level, speed, and distance.
Canvi de marxa
The bike is equipped with a Shimano 7-speed gear system. Use the shifter on the handlebar to change gears according to terrain and desired speed.

Imatge: Detallada view of the Shimano 7-speed gear system and front suspension on the Fafrees F20, highlighting the drivetrain components.
Sistema de frenada
The Fafrees F20 features front and rear disc brakes for reliable stopping power. The brake levers also include a power-off function for enhanced safety.

Image: Illustration of the front and rear disc brakes on the Fafrees F20, emphasizing their function for safe riding.
Mecanisme de plegat
The aluminum alloy frame allows for easy folding for storage and transport.

Image: A person demonstrating the folding process of the Fafrees F20, highlighting the compact size for storage and transport.
Manteniment
Comprovacions periòdiques
- Inspect tires for wear and proper inflation (20" x 3.0" Fat Tires).
- Check brake pads and cables for wear and proper function.
- Ensure all bolts and quick releases are securely tightened.
- Lubriqueu la cadena regularment.

Image: Close-up of the Fafrees F20's 20" x 3.0" fat tire, illustrating its anti-puncture design and integrated wheel for comfortable riding on various terrains.
Cura de la bateria
- Guardeu la bateria en un lloc fresc i sec.
- Eviteu descarregar completament la bateria.
- Charge the battery at least once every two months if not in use.
Neteja
Utilitza l'anunciamp cloth to clean the bike. Avoid high-pressure washing directly on electrical components.
Resolució de problemes
Problemes comuns i solucions
| Problema | Causa possible | Solució |
|---|---|---|
| La bicicleta no s'encén | Low battery, loose battery connection, power button issue | Charge battery, re-seat battery, check connections, contact support |
| El motor no ajuda | PAS level too low, brake levers engaged, motor connection issue | Increase PAS level, release brake levers, check motor cable, contact support |
| Els frens es senten febles | Worn brake pads, loose cables, air in hydraulic system (if applicable) | Inspect/replace pads, adjust cable tension, consult professional for hydraulic systems |
| Sorolls inusuals | Loose components, dry chain, misaligned gears | Check all fasteners, lubricate chain, adjust derailleur |
For more complex issues, please contact Fafrees customer service. Provide a detailed description, and if possible, photos or videos of the problem.
Especificacions
| Característica | Detall |
|---|---|
| Model | Fafrees F20 |
| Tipus de bicicleta | Electric Bike, Fatbike, Folding E-bike, MTB |
| Motor | 250W Brushless High-Speed Motor (Peak output up to 350W) |
| Bateria | Bateria de liti de 36 V 16 Ah |
| Velocitat màxima | 25 km/h |
| Electric Mode Range | 55-65 km |
| Gamma d'assistència al pedal | 90-120 km |
| Mida de la roda | 20 polzades |
| Pneumàtics | Pneumàtics gruixuts de 20" x 3.0" |
| Frens | Frens de disc davanters i posteriors |
| Engranatges | Shimano de 7 velocitats |
| Material del marc | Aliatge d'alumini |
| Suspensió | Suspensió de forquilla davantera |
| Alçada aplicable | 150-198 cm |
| Capacitat de càrrega màxima | 150 kg |
| Dimensions del producte (L x A x A) | 174 x 60 x 125 cm |
| Pes net del producte | 27 kg |
| Components inclosos | Charger, Fafrees Fatbike F20, Instructions, Tool Kit, Pedals |
Garantia i Suport
Fafrees provides professional customer service. If you have any questions or require assistance, please do not hesitate to contact us. We aim to respond within 24 hours.
For warranty information, please refer to the documentation included with your purchase or visit the official Fafrees weblloc.
Nota important: It is highly recommended to take photos of your bike's frame number. This number is unique to your bicycle and serves as proof of ownership, which is crucial in case of theft. The frame number is typically located underneath the bike.





