Introdución
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.
Guía de configuración
Desembalaxe e montaxe inicial
Your Fafrees F20 electric fatbike comes partially assembled. Follow these steps to complete the setup:
- Retire con coidado a bicicleta e todos os compoñentes da embalaxe.
- 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.
- Comprobe a presión dos pneumáticos.
- Cargue completamente a batería antes do primeiro uso.

Image: The Fafrees F20 Electric Fatbike in white, showcasing its overall design and components, ready for initial assembly.
Instalación e carga da batería
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.
- Cargue ata que o indicador luminoso se poña en verde, o que indica unha carga completa.

Imaxe: Primeiro plano view of the Fafrees F20's 16Ah lithium battery, showing its integration into the bike frame and the simple removal process.
Instrucións de funcionamento
Encendido/apagado
Locate the power button on the handlebar display. Press and hold to turn the bike on or off.
Modos de conducción
The Fafrees F20 offers three riding modes:
- Modo eléctrico: Provides full motor power without pedaling, controlled by the thumb throttle. Estimated range: 55-65 km.
- Modo de asistencia ao pedaleo (PAS): The motor provides assistance as you pedal. Adjust assist levels via the display. Estimated range: 90-120 km.
- Modo manual: Anda coma unha bicicleta tradicional sen axuda de motor.

Image: Visual representation of the three riding modes available on the Fafrees F20: Electric, Pedal Assist, and Manual, illustrating their distinct functionalities.
Funcións de visualización
The intelligent LCD display shows important riding data:
- Duración restante da batería
- Distancia total percorrida
- Quilometraxe actual
- Velocidade actual
- Nivel de asistencia

Image: Close-up of the Fafrees F20's multi-function smart display, showing various metrics like battery level, speed, and distance.
Cambio de marchas
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.

Imaxe: Detallada view of the Shimano 7-speed gear system and front suspension on the Fafrees F20, highlighting the drivetrain components.
Sistema de freos
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.
Mecanismo de plegado
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.
Mantemento
Comprobacións periódicas
- 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.
- Lubrique a cadea regularmente.

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.
Coidado da batería
- Almacene a batería nun lugar fresco e seco.
- Evite descargar completamente a batería.
- Charge the battery at least once every two months if not in use.
Limpeza
Usa anuncioamp cloth to clean the bike. Avoid high-pressure washing directly on electrical components.
Resolución de problemas
Problemas comúns e solucións
| Problema | Causa posible | Solución |
|---|---|---|
| A bicicleta non se acende | Low battery, loose battery connection, power button issue | Charge battery, re-seat battery, check connections, contact support |
| O motor non axuda | PAS level too low, brake levers engaged, motor connection issue | Increase PAS level, release brake levers, check motor cable, contact support |
| Os freos parecen débiles | Worn brake pads, loose cables, air in hydraulic system (if applicable) | Inspect/replace pads, adjust cable tension, consult professional for hydraulic systems |
| Ruídos pouco comúns | 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.
Especificacións
| Característica | Detalle |
|---|---|
| Modelo | Fafrees F20 |
| Tipo de bicicleta | Electric Bike, Fatbike, Folding E-bike, MTB |
| Motor | 250W Brushless High-Speed Motor (Peak output up to 350W) |
| Batería | Batería de litio 36V 16Ah |
| Velocidade máxima | 25 km/h |
| Rango de modo eléctrico | 55-65 km |
| Rango de asistencia ao pedaleo | 90-120 km |
| Tamaño da roda | 20 polgadas |
| Pneumáticos | Pneumáticos grosos de 20" x 3.0" |
| Freos | Frenos de disco frontal e traseiro |
| Engrenaxes | Shimano 7 velocidades |
| Material do marco | Aliaxe de aluminio |
| Suspensión | Suspensión da horquilla dianteira |
| Altura aplicable | 150-198 cm |
| Capacidade de carga máxima | 150 kg |
| Dimensións do produto (L x W x H) | 174 x 60 x 125 cm |
| Peso neto do produto | 27 kg |
| Compoñentes incluídos | Charger, Fafrees Fatbike F20, Instructions, Tool Kit, Pedals |
Garantía e Soporte
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 websitio.
Nota importante: 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.





