Introducción
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Fafrees F26-PRO Electric Bicycle. Please read this manual thoroughly before your first ride and retain it for future reference.

Figure 1: Fafrees F26-PRO Electric Bicycle. This image shows the complete bicycle with its step-through frame, front suspension, rear rack, and integrated battery design.
1. Configuración y montaje inicial
Your Fafrees F26-PRO Electric Bicycle comes partially assembled. Follow these steps to complete the setup:
- Desempaquetado: Retire con cuidado todos los componentes del embalaje. Inspeccione si hay daños durante el envío.
- Instalación del manillar: Attach the handlebar to the stem, ensuring all bolts are securely tightened. Adjust the handlebar height for comfortable riding.
- Fijación del pedal: Identifique los pedales izquierdo (L) y derecho (R). El pedal izquierdo se aprieta en sentido antihorario y el derecho en sentido horario. Asegúrese de que estén bien enroscados y apretados.
- Ajuste del poste del asiento: Insert the seat post into the frame and adjust the seat height to allow for a slight bend in your knee when the pedal is at its lowest point. Secure the quick-release lever or bolt.
- Carga de la batería: Before first use, fully charge the 36V 14.5Ah lithium-ion battery. The charging time is approximately 6-8 hours. The battery can be removed for convenient charging indoors.
- Inflado de neumáticos: Inflate the CST 26 x 1.75 inch tires to the recommended pressure indicated on the tire sidewall.
- Comprobación de frenos: Test both front and rear mechanical disc brakes to ensure they engage properly and stop the bicycle effectively.
A toolkit and a multi-language manual are included to assist with assembly.
2. Instrucciones de funcionamiento
The Fafrees F26-PRO offers three riding modes: Electric Mode, Pedal-Assist System (PAS) Mode, and Fitness Mode (manual pedaling).
2.1 Smart Color LCD Display and Mobile App

Figure 2: The 3.5-inch Smart Color LCD Display and mobile app connectivity. The display shows battery level, speed, mileage, PAS level, and allows app connection for ride data.
The 3.5-inch color LCD screen is centrally mounted on the handlebar for easy viewing. It displays key information such as speed, battery level, mileage, and PAS level. The bicycle is compatible with a mobile app, allowing you to monitor your ride data and settings via your smartphone.
- Encendido/apagado: Mantenga presionado el botón de encendido en la pantalla para encender o apagar el sistema.
- Ajuste del nivel PAS: Use the '+' and '-' buttons on the control panel to select one of the 5 Pedal-Assist levels. Higher levels provide more motor assistance.
- 6 km/h Reverse Assist Mode: This feature provides low-speed assistance for maneuvering the bicycle.
- Control de crucero: Engage cruise control for maintaining a constant speed (refer to the detailed manual for activation steps).
2.2 Modos de conducción
- Modo eléctrico: The motor provides power without pedaling. Use the throttle (if equipped and legal in your region) or select a high PAS level.
- Modo del sistema de asistencia al pedaleo (PAS): The motor assists your pedaling effort. Choose from 5 PAS levels to control the amount of assistance. This mode offers a range of up to 110 km per charge.
- Modo de aptitud: Ride the bicycle like a traditional bike, using only your pedaling power. The motor provides no assistance in this mode.
2.3 Cambio de marchas y frenado
The F26-PRO features a 7-speed Shimano transmission for smooth gear changes. Use the shifters on the handlebar to select appropriate gears for different terrains and speeds. The mechanical 160mm disc brakes, combined with power-off brake levers, ensure effective and quick stopping power.
3. Mantenimiento
Regular maintenance ensures the longevity and safe operation of your Fafrees F26-PRO Electric Bicycle.
3.1 Cuidado de la batería
- Cargue la batería completamente después de cada viaje, especialmente si estará guardada durante un período prolongado.
- Evite agotar completamente la batería.
- Guarde la batería en un lugar fresco y seco, alejado de la luz solar directa y de temperaturas extremas.
- The battery is a 36V 14.5Ah lithium-ion type.
3.2 General Bicycle Maintenance
- Llantas: Regularly check tire pressure (CST 26 x 1.75 slim city tires) and inspect for wear or damage. Maintain proper inflation for optimal performance and safety.
- Frenos: Revise periódicamente el desgaste de las pastillas de freno y asegúrese de que las palancas de freno funcionen con suavidad. Ajuste la tensión del cable de freno según sea necesario.
- Cadena y transmisión: Keep the chain clean and lubricated. Inspect the 7-speed Shimano gears for proper function and alignment. The chain cover helps protect clothing from the chain.
- Horquilla de suspensión: The 26-inch front suspension fork has 80mm travel and a lockout function. Keep it clean and check for smooth operation.
- Sujetadores: Periodically check all bolts and nuts for tightness, especially on the handlebars, seat post, wheels, and frame.
- Limpieza: Limpie la bicicleta periódicamente con adamp cloth. Avoid using high-pressure washers directly on electrical components. The IP54 waterproof rating provides protection against splashes.
- Sistema de cableado: The plug-and-play wiring system simplifies maintenance and replacement of electrical parts. Ensure all connections are secure.

Figure 3: Details of CST slim city tires, adjustable handlebar, and the plug-and-play wiring system, highlighting components important for maintenance.

Figure 4: Close-up of the chain cover, rear hanger with hook holes for accessories, and water bottle cage mounting holes, all contributing to the bike's design and potential maintenance points.
4. Solución de problemas
If you encounter an issue with your Fafrees F26-PRO Electric Bicycle, consider the following general troubleshooting steps:
- Sin energía:
- Asegúrese de que la batería esté completamente cargada y colocada correctamente en su compartimento.
- Check all electrical connections, especially the main power cable from the battery to the controller.
- Verify the display is securely connected and powered on.
- El motor no asiste:
- Check the PAS level on the display; ensure it's set to a level greater than 0.
- Confirm the brake levers are not engaged, as they typically cut motor power.
- Inspect the motor cable connection for any disconnections or damage.
- Frenos no efectivos:
- Check brake pad wear; replace if necessary.
- Adjust brake cable tension.
- Asegúrese de que las pinzas de freno estén correctamente alineadas con los rotores de disco.
- Ruidos inusuales:
- Inspect the chain and gears for debris or misalignment.
- Check for loose components or spokes.
- Lubrique la cadena si suena seca.
For more complex issues, or if the problem persists, please contact customer support with a detailed description, including any photos or videos, for effective assistance.
5. Especificaciones
Below are the detailed specifications for the Fafrees F26-PRO Electric Bicycle:

Figure 5: Key parameters of the Fafrees F26-PRO, including frame material, motor, battery, and dimensions.
| Modelo | F26-PRO |
| Material del marco | Aleación de aluminio 6061 |
| Tipo de bicicleta | E-bike, City Bike, Urban Mountainbike |
| Color | Gold (goudkleurig) |
| Peso neto | 24.7 kilogramos |
| Capacidad de carga máxima | 120 kilogramos |
| Clasificación de impermeabilidad | IP54 |
| Altura recomendada del ciclista | 160-198 centímetros |
| Motor | 36V 250W Brushless Rear Hub Motor |
| Par máximo | 42 Nm |
| Tipo de batería | 18650 Iones de litio |
| Capacidad de la batería | 36 V 14.5 Ah (522 Wh) |
| Tiempo de carga | 6-8 horas |
| Velocidad máxima | 25 kilómetros por hora |
| Alcance máximo (modo PAS) | 90-110 kilómetros |
| Alcance máximo (eléctrico puro) | 55-65 kilómetros |
| Mostrar | 3.5-inch Smart Color LCD |
| Niveles PAS | 0-5 |
| Frenos | Frenos de disco mecánicos (delanteros y traseros) |
| Transmisión | Shimano de 7 velocidades |
| Horquilla delantera | Suspension Fork (80mm travel, with lockout) |
| Llantas | CST 26 x 1.75 inch Slim City Tires |
| Sillín | SR SELLE ROYAL Silicone Saddle |
| Luces | Bright LED Headlight, Rear Brake Light |
| Dimensiones desplegadas | 173 x 109 x 67 cm (Length x Height x Width) |
| Altura del manillar ajustable | 100-112 centímetros |
| Altura del asiento ajustable | 85-103 centímetros |
| Pedal-to-Ground Distance | 10 centímetros |

Figure 6: Ergonomic design and key dimensions of the Fafrees F26-PRO, illustrating the adjustable components and overall size.
6. Información de garantía
Specific warranty details are typically provided with your purchase documentation. Please refer to the warranty card or contact Fafrees customer support for comprehensive warranty terms and conditions.
7. Atención al cliente
For any questions, technical assistance, or issues not covered in this manual, please contact Fafrees customer service. Professional customer service is available to provide a response within 24 hours.
Al contactar con el servicio de asistencia, proporcione la siguiente información:
- Your product model (Fafrees F26-PRO)
- Fecha de compra
- Una descripción detallada del problema.
- Any relevant photos or videos that can help diagnose the problem.