1. Introdución
This manual provides essential information for the safe operation, assembly, maintenance, and troubleshooting of your Fafrees F20 Light E-Bike. Please read it thoroughly before your first ride and keep it for future reference.
2. Información de seguridade
Your safety is paramount. Always wear a helmet and appropriate safety gear when riding. Observe all local traffic laws and regulations. Regular maintenance checks are crucial for safe operation.
2.1 Frame Number Importance
The frame number is a unique identifier for your bicycle, similar to a passport. It is essential for identification in case of theft or for warranty claims. We recommend taking a photo of your bike's frame number. The frame number is typically located on the underside of the bicycle frame.
2.2 Seatpost Safety Line
The seatpost has a safety line. Do not exceed this safety line when adjusting the seatpost height to ensure structural integrity and rider safety.
3. Contido do paquete
Ao desembalar, asegúrese de que estean presentes todos os artigos:
- 1 x Fafrees Electric Bicycle
- 1 x cargador de batería
- 1 x Kit de ferramentas
- 1 x Manual de usuario
4. Configuración e montaxe
4.1 Unfolding the E-Bike
The Fafrees F20 Light features a foldable frame for compact storage and transport. The bike can be unfolded in less than 30 seconds. Carefully release the frame and handlebar folding mechanisms, ensuring they lock securely into place before riding.

Image: The Fafrees F20 Light E-Bike in its unfolded state, highlighting its 250W geared hub motor, 14.5Ah ternary lithium battery, and Shimano 7-speed shifter.
4.2 Adjusting Handlebars and Seat
Adjust the handlebar and seat height to achieve a comfortable and safe riding position. The adjustable handlebar allows for personalized fit. Ensure the seatpost does not extend beyond the safety line. Secure all quick-release levers firmly after adjustment.
4.3 Instalación e carga da batería
The 36V 14.5Ah battery is removable for convenient charging. To install, slide the battery into its compartment and ensure it locks securely. To charge, connect the provided charger to the battery and a power outlet. Charging typically takes 5-6 hours. The battery features overcharge and overcurrent protection, along with BMS battery management.

Imaxe: Unha detallada view of the removable 14.5Ah lithium battery, showing its integration into the bike frame and highlighting overcharge/overcurrent protection and BMS.
5. Instrucións de funcionamento
5.1 Powering On and LCD Display
Turn on the e-bike using the power button. The waterproof LCD display will show various data including speed, battery level, odometer, and PAS (Pedal Assist System) level. It also features a cruise control function.

Image: The high-definition LCD color display on the Fafrees F20 Light E-Bike, illustrating metrics such as power, speed, driving mode, range, trip distance, and total distance, along with indicators for cruise control and waterproof design.
5.2 Modos de condución
The F20 Light offers three primary riding modes:
- Modo eléctrico: Provides power by turning the throttle, allowing for riding without pedaling.
- Assisted Mode (PAS): Provides electric assistance while pedaling. There are 0-3 PAS levels to choose from, adjusting the level of motor support.
- Modo de man de obra: Traditional pedal mode, operating like a standard bicycle without electric assistance.
Ademais, a Modo de asistencia á marcha (6 km/h) is available. Press and hold the down shift button to activate this mode, useful when walking the bike uphill or alongside you.

Image: An illustration detailing the Electric, Assisted, Manpower, and Walk Assist modes, explaining how each mode functions for varied riding experiences.
5.3 Shimano 7-Speed Shifting
The Shimano 7-speed gear system provides precise and smooth gear changes across the entire range. Use the shifter lever on the handlebars to select the appropriate gear for your terrain and speed. This ensures responsive performance.

Imaxe: Unha detallada view of the Shimano 7-speed shifting system, showing both the shifter lever on the handlebar and the rear gears for precise control over speed and effort.
5.4 Mechanical Disc Brakes
The F20 Light is equipped with mechanical disc brakes for strong and reliable stopping power. These brakes, combined with cutoff brake levers, provide control and confidence, allowing you to stop precisely when needed.
5.5 Night Riding Safety
For enhanced safety during night riding, the e-bike includes an StVZO-compliant LED headlight and a rear brake light. Ensure these lights are functional before riding in low-light conditions. Pedal and wheel reflectors are also integrated for increased visibility.

Imaxe: Unha vez máisview of the Fafrees F20 Light E-Bike with callouts indicating the location of the rear brake light, pedal reflectors, wheel reflectors, and front light, emphasizing its StVZO conformity for night riding safety.
6. Mantemento
Un mantemento regular garante a lonxevidade e o funcionamento seguro da túa bicicleta eléctrica.
- Coidado da batería: Cargue a batería regularmente, mesmo cando non a estea en uso, para manter o seu estado. Evite descargala completamente.
- Limpeza: Limpa a túa bicicleta eléctrica regularmente con anunciosamp pano. Evite lavar a alta presión directamente sobre os compoñentes eléctricos.
- Freos: Comprobe periodicamente o desgaste das pastillas de freo e asegúrese de que as pancas de freo funcionen con suavidade. Axuste segundo sexa necesario.
- Engrenaxes: Keep the chain clean and lubricated. Check gear shifting for smoothness and adjust if necessary.
- Pneumáticos: Maintain correct tire pressure as indicated on the tire sidewall. Inspect tires for wear and damage.
- Fixadores: Regularly check all bolts and fasteners for tightness, especially on critical components like handlebars, seatpost, and wheels.
7 Solución de problemas
7.1 Cuestións xerais
If you encounter a problem with your Fafrees F20 Light E-Bike, please provide a clear description of the issue. Including photos or videos can greatly assist our engineers in providing an effective solution within two business days. You can send video links in the form of a photo if direct video submission is not possible.
For specific issues not covered here, please refer to the support section.
8. Especificacións
| Característica | Detalle |
|---|---|
| Modelo | F20 Luz |
| Tipo | Foldable City E-Bike |
| Capacidade da batería | 36V 14.5Ah / 522 Wh |
| Tempo de carga | 5-6 horas |
| Potencia do motor | 250W Brushless Geared Hub Motor |
| Par motor | Max 35 N.m |
| Velocidade máxima | 25 km/h |
| Assisted Mode Range | 90-110 km |
| Gama eléctrica pura | 55-65 km |
| Tipo de visualización | Pantalla LCD |
| Niveis PAS | 0-3 |
| Dimensións despregadas | 158 x 64 x 114 cm |
| Dimensións dobradas | 81 x 35 x 62 cm |
| Altura do manillar axustable | 99-114 cm |
| Altura do asento axustable | 73-92 cm |
| Tamaño do pneumático | 20 polgadas x 1.95 |
| Altura recomendada do piloto | 155-195 cm |
| Peso neto | 24 kg |
| Capacidade de carga máxima | 120 kg |
| Material do marco | Aluminio |
| Tipo de freo | Freos de disco mecánicos |
| Transmisión | SHIMANO 7-Speed |
| Clasificación impermeable | IPV4 |
| Fork Type | Hard Fork (No Suspension Fork) |
9. Garantía e soporte
Fafrees provides support for your e-bike. If you encounter any issues or require assistance, please contact Fafrees Official customer service. When contacting support, be prepared to provide a detailed description of the problem, including any relevant photos or videos, and your product's frame number.
For general inquiries or to report a problem, you can reach out to the seller directly via the Amazon platform or through the contact information provided with your purchase documentation.
The product is sold by "Fafrees Official" on Amazon.se. For specific warranty terms and conditions, please refer to the documentation included with your purchase or contact Fafrees customer support.