Cyrusher XF900
Cyrusher XF900 Electric Bike User Manual
Your comprehensive guide to setting up, operating, maintaining, and troubleshooting your Cyrusher XF900 Electric Bike.
Introducció
Thank you for choosing the Cyrusher XF900 Electric Bike. This manual provides essential information to ensure safe and optimal use of your new electric bicycle. Please read it thoroughly before your first ride and keep it for future reference.

Figure 1: The Cyrusher XF900 Electric Bike, featuring its robust frame, fat tires, and integrated battery.
Configuració
The Cyrusher XF900 Electric Bike comes mostly pre-assembled. Follow these steps to complete the setup and prepare for your first ride.
1. Desembalatge i inspecció inicial
- Traieu amb cura tots els materials d'embalatge.
- Inspect the bike for any visible damage that may have occurred during shipping. Report any damage to customer service immediately.
- Assegureu-vos que hi hagi tots els components que figuren a la llista d'embalatge.
2. Handlebar and Pedal Installation
- Fixeu el manillar a la potència, assegurant-vos que estigui centrat i ben ajustat.
- Install the pedals, noting that the left pedal (L) and right pedal (R) are threaded differently. Tighten firmly.
3. Instal·lació i càrrega de la bateria
The XF900 is equipped with a removable 48V 17Ah battery. For optimal performance and longevity, fully charge the battery before its first use.
- Locate the battery slot on the bike frame.
- Insert the battery and ensure it clicks securely into place. Use the key to lock it if applicable.
- Connect the charger to the battery charging port and then to a standard power outlet.
- The battery charge time is approximately 5-7 hours. The indicator light on the charger will change when fully charged.
- The battery can be removed for convenient charging indoors.

Figure 2: The 48V 17Ah removable battery, designed for easy charging and secure fit within the frame.
4. Inflat de pneumàtics
Inflate the 26" x 4.0" fat tires to the recommended pressure, typically found on the tire sidewall. Proper tire pressure is crucial for ride comfort, efficiency, and safety.
Operating Your Cyrusher XF900
The Cyrusher XF900 offers a powerful and versatile riding experience. Familiarize yourself with its key features and controls.
Motor i sistema de potència
The bike is equipped with a 750W BAFANG brushless motor, providing robust power for various terrains. It can reach a maximum speed of 25 mph with a peak output of up to 1500 watts and a maximum torque of 80 N/m. This powerful motor ensures an excellent riding experience, especially when tackling hills or challenging paths.

Figure 3: The powerful 750W BAFANG brushless motor, designed for high performance and efficiency.
Pantalla i controls
The XF900 features a 3.7-inch extra-large center-mounted screen that provides essential riding information. This central placement enhances riding safety by keeping information easily visible.
- Encès/apagat: Press and hold the power button on the display to turn the bike on or off.
- Pedal Assist Levels (PAS): Use the '+' and '-' buttons to adjust the pedal assist level. Higher levels provide more motor assistance.
- Visualització d'informació: The screen shows speed, battery level, distance traveled, and current pedal assist level.
- Acceleració: The bike includes a throttle for power on demand, allowing you to accelerate without pedaling.

Figure 4: The central display screen and handlebar controls for easy access to riding data and assist levels.
Gears and Braking System
- Sistema de canvis de 7 velocitats: The bike is equipped with a 7-speed gear system, allowing you to adjust your pedaling effort to match terrain and speed.
- Frens de disc hidràulics: Large 160/180mm hydraulic disc brakes on both the front and rear wheels provide strong and reliable stopping power. The XF900 also features motor cutoff capabilities for added safety when braking.
Modes de conducció
- Pedal-Only Mode: Aneu amb bicicleta com una bicicleta tradicional sense cap assistència elèctrica.
- Mode d'assistència al pedaleig (PAS): The motor provides assistance as you pedal. Choose from multiple assist levels to control the amount of power.
- Mode d'acceleració: Use the throttle for full electric power without pedaling.
Vídeo oficial del producte
Video 1: This video, titled "Extrbici XF650 Configuration, details show," provides a general overview of a Cyrusher electric bike's features and operation. While it references the XF650 model, many of the operational aspects and components are similar to the XF900, offering a visual guide to the bike's capabilities and design.
Manteniment
Regular maintenance is crucial for the longevity and safe operation of your Cyrusher XF900 Electric Bike.
- Pneumàtics: Check tire pressure before each ride and inflate to the recommended PSI. Inspect tires for wear, cuts, or punctures.
- Frens: Regularly check brake pads for wear and ensure the hydraulic brakes are responsive. Adjust or replace as needed.
- Cadena: Mantingueu la cadena neta i lubricada per garantir un canvi suau i evitar l'oxidació.
- Bateria: Store the battery in a cool, dry place. Charge it regularly, even if not in use, to maintain its health. Avoid fully discharging the battery.
- Elements de fixació: Periodically check all bolts, nuts, and quick releases to ensure they are securely tightened.
- Neteja: Netegeu la bicicleta amb un damp drap. Eviteu rentar directament els components elèctrics a alta pressió.
Resolució de problemes
This section covers common issues you might encounter and their potential solutions.
| Problema | Causa possible | Solució |
|---|---|---|
| La bicicleta no s'encén. | Battery not charged or not properly seated. Loose connections. | Ensure battery is fully charged and securely installed. Check all electrical connections. |
| El motor no ajuda. | Pedal assist level too low or off. Brake levers engaged. Faulty sensor. | Increase PAS level. Ensure brake levers are fully released. Check for error codes on the display. |
| Els frens es noten febles. | Worn brake pads. Air in hydraulic lines. | Inspect and replace brake pads if worn. Consult a bike mechanic for hydraulic brake bleeding. |
| Sorolls estranys de la transmissió. | Cadena seca o bruta. Desviador desalineat. | Clean and lubricate the chain. Adjust the derailleur if necessary, or seek professional help. |
If you encounter issues not listed here or if the suggested solutions do not resolve the problem, please contact Cyrusher customer support.
Especificacions
| Característica | Detall |
|---|---|
| Tipus de bicicleta | Bicicleta elèctrica |
| Nom del model | XF900 |
| Marca | Cyrusher |
| Motor | 750W BAFANG Brushless Motor |
| Bateria | Bateria de liti extraïble de 48V 17Ah |
| Velocitat màxima | 25 mph |
| Range (PAS 1) | Fins a 62 milles |
| Mida de la roda | 26 Inches (Fat Tires) |
| Nombre de velocitats | 7 |
| Material del marc | Alumini |
| Tipus de suspensió | Suspensió dual |
| Estil de fre | Disc (hidràulic) |
| Dimensions del paquet de l'article | 58 x 32 x 12 polzades |
| Pes del paquet | 72 lliures |
| Rider Height (Recommended) | 69 - 76 polzades |
| Capacitat de pes | 330 lliures |
Garantia i Suport
Cyrusher is committed to providing high-quality products and excellent customer service.
Informació de la garantia
- Frame, Motor, Controller, and Other Parts: 24 mesos de garantia.
- Bateria: 12 mesos de garantia.
Please retain your proof of purchase for warranty claims. The warranty covers manufacturing defects and does not cover damage due to misuse, accidents, or normal wear and tear.
Atenció al client
For any questions, technical assistance, or warranty claims, please contact our customer service team. We provide 24-hour online customer service to assist you.
You can also visit the official Cyrusher store for more information and support resources: Cyrusher Store on Amazon.
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