1. Entwodiksyon
Welcome to the Fafrees F20 MAX Electric Folding Fat-Tire Bicycle instruction manual. This guide provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new e-bike. Please read this manual thoroughly before your first ride to ensure optimal performance and safety.
The Fafrees F20 MAX is designed for versatile riding, featuring a powerful brushless motor, a high-capacity 48V 22.5Ah Samsung battery, and fat tires for various terrains. Its foldable design offers convenient storage and transport.

Figure 1: Fafrees F20 MAX Electric Folding Fat-Tire Bicycle.
2. Enfòmasyon sou Sekirite
Your safety is paramount. Always adhere to local traffic laws and regulations. Wearing a helmet is strongly recommended. Perform a pre-ride check before each use.
- Toujou mete yon kas ki sètifye.
- Ensure brakes are functioning correctly before each ride.
- Tcheke presyon kawotchou regilyèman.
- Fè atansyon ak sa k ap pase bò kote w epi monte ak prekosyon.
- Pa monte anba enfliyans alkòl oswa dwòg.
- Evite monte bisiklèt nan kondisyon metewolojik ekstrèm.
Sekirite batri
The F20 MAX is equipped with a powerful Samsung battery. Proper handling and charging are crucial for longevity and safety.
- Only use the original charger provided with the e-bike.
- Pa ekspoze batri a nan tanperati ekstrèm oswa limyè solèy la dirèk.
- Pa demonte, pike, oswa domaje batri a.
- Chaje batri a nan yon zòn ki byen ayere, lwen materyèl ki ka pran dife.
- Deploge plato a yon fwa batri a konplètman chaje.

Figure 2: High-capacity 48V 22.5Ah Samsung battery with safety features.
3. Asanble ak Enstalasyon
Your Fafrees F20 MAX comes partially assembled. Follow these steps to complete the setup. A detailed video guide is also available below.
Etap asanble:
- Unboxing and Parts Check: Carefully open the packaging and remove all components. Verify that all parts listed in the packing list are present and undamaged.
- Enstalasyon gidon: Insert the handlebar stem into the fork tube and secure it using the quick-release lever and bolts. Ensure it is aligned and tightened properly for safe steering.
- Enstalasyon Sèl: Insert the seat post with the saddle into the frame's seat tube. Adjust the height to your comfort and secure it with the quick-release clamp. Ensure the minimum insertion mark is not visible.
- Enstalasyon pedal: Identify the left (L) and right (R) pedals. The left pedal screws counter-clockwise, and the right pedal screws clockwise. Tighten them securely with a wrench.
- Ajisteman Limyè Devan: Position the headlight for optimal visibility and secure it with the provided tools.
- Front Shelf Installation: Attach the front shelf to the designated mounting points on the frame using the provided screws and tools.
- Rear Seat Footrest Installation: Install the rear footrests on the rear axle or frame, ensuring they are securely fastened for passenger safety (if applicable).
- Ajisteman ekspozisyon: Adjust the angle of the LCD display on the handlebar for clear visibility while riding.
- Bell Adjustment: Position the bell on the handlebar within easy reach and secure it.
- Power-On Test: Insert the key into the battery lock and turn it to the 'ON' position. Press the power button on the display to turn on the e-bike. Verify that the display illuminates and shows battery level and speed. Test the lights, bell, and motor functions (push mode and pure electric mode).
Official Assembly Video Guide:
Video 1: Step-by-step installation guide for the Fafrees F20 MAX E-Bike.
4. Operasyon Enstriksyon
Familiarize yourself with the controls and riding modes of your Fafrees F20 MAX for a smooth and enjoyable experience.
- Limen/Etenyen: Turn the key to the 'ON' position on the battery, then press and hold the power button on the LCD display to turn the system on or off.
- Ekspozisyon LCD: The display shows speed, battery level, PAS (Pedal Assist System) level, and trip distance. Use the '+' and '-' buttons to adjust the PAS level (0-3).
- Monte mòd:
- Mòd imen: Ride like a traditional bicycle without electric assistance.
- Mòd Asistans (PAS): The motor provides assistance as you pedal. Adjust the level of assistance using the '+' and '-' buttons on the display.
- Pure Power Mode: Sèvi ak akseleratè a pou angaje motè a san ou pa bezwen pedale. Mòd sa a bay tout puisans elektrik la.
- Chanjman vitès: Use the 7-speed Shimano gear shifter to select appropriate gears for different terrains and speeds.
- Frenaj: The e-bike is equipped with mechanical disc brakes. Apply both front and rear brakes smoothly and simultaneously for effective stopping.
- Mòd Asistans Mache: Long press the '-' button on the display to activate the 6km/h walk assist mode, useful when pushing the bike uphill or through crowded areas.
- Kontwòl kwazyè: The e-bike features a cruise control function for consistent speed on flat terrain.

Figure 3: Illustration of the three riding modes: Manpower, Electric, and PAS.
5. Antretyen
Regular maintenance ensures the longevity and safe operation of your Fafrees F20 MAX E-Bike.
- Netwayaj: Netwaye bisiklèt la regilyèman avèk piblisiteamp twal. Evite lave ak gwo presyon dirèkteman sou konpozan elektrik yo.
- Swen batri: Sere batri a nan yon kote ki fre epi sèk. Si w ap sere l pou yon bon bout tan, chaje l a 50-70% chak 2-3 mwa.
- Kawotchou: Check tire pressure before each ride. The recommended pressure for 20*4.0 inch fat tires is typically between 5-30 PSI, depending on terrain and rider weight.
- Fren: Inspect brake pads for wear and ensure brake levers are responsive. Adjust or replace as needed.
- chèn: Kenbe chèn lan pwòp epi grese pou anpeche rouye epi pou asire chanjman vitès yo san pwoblèm.
- Fastener: Periodically check all bolts, nuts, and quick releases to ensure they are securely tightened.
NAN. Depanaj
This section addresses common issues you might encounter with your Fafrees F20 MAX E-Bike.
- E-Bike Not Powering On:
- Ensure the battery key is turned to the 'ON' position.
- Check if the battery is properly seated and charged.
- Enspekte tout koneksyon elektrik yo pou wè si yo lach oswa domaje.
- Motè a pa ede:
- Verify that the PAS level on the display is set above '0'.
- Check if the brake levers are fully released, as some systems cut motor power when brakes are applied.
- Asire w ke batri a gen ase chaj.
- Brakes Squealing or Ineffective:
- Clean brake rotors and pads.
- Check for worn brake pads and replace if necessary.
- Ensure brake cables are properly tensioned.
- Bwi ki pa nòmal:
- Inspect the chain for dryness or debris; lubricate if needed.
- Check for loose components or spokes.
For persistent issues or complex repairs, it is recommended to contact Fafrees customer support or a certified e-bike technician. Provide a detailed description of the problem, along with any relevant photos or videos, will help expedite the support process.
7. Espesifikasyon
| Karakteristik | Detay |
|---|---|
| Mak | Fafrees |
| Modèl | F20 MAX |
| Batri | 48V 22.5Ah / 1080Wh Samsung Battery |
| Tan pou chaje | 11-13 èdtan |
| Kote Motè | Kondwi dèyè |
| Max Torque | 54 Nm |
| Kalite ekspozisyon | LCD Display |
| Nivo PAS yo | 0-3 |
| Angrenaj | 7-vitès |
| Kalite fren | Fren disk mekanik |
| Gwosè kawotchou | 20 * 4.0 pous |
| Gwosè depliye | 171 * 62 * 125 CM |
| Gwosè ki plwaye | 95 * 50 * 75 CM |
| Pwa nèt | 31 KG |
| Kapasite chaj | 150 KG |
| Materyèl ankadreman | Aliminyòm alyaj |
| Max Range (Assisted) | 140-160 KM |
| Max Range (Pure Power) | 100-120 KM |
| Max Climbability | 25° |

Figure 4: Detailed dimensions of the Fafrees F20 MAX in both unfolded and folded states.
8. Garanti ak sipò
Fafrees provides a warranty for its products. Please refer to the warranty card included with your purchase for specific terms and conditions. For any technical issues, questions, or support needs, please contact Fafrees customer service.
When contacting support, please have your product model (F20 MAX) and purchase details readily available. Providing a clear description of the issue, along with any relevant photos or videos, will help expedite the support process.
You can find more information and contact details on the official Fafrees websit la oubyen atravè pwen acha ou a.





