1. Introduzione
Thank you for choosing the Fafrees F20 X-MAX Electric Bicycle. This manual provides essential information for the safe operation, maintenance, and troubleshooting of your e-bike. Please read this manual thoroughly before your first ride to ensure proper use and to maximize your riding experience.
The Fafrees F20 X-MAX is a versatile folding electric fatbike designed for various terrains, offering a powerful motor, long-range battery, and a comfortable triple suspension system.
2. Informazioni di sicurezza
A vostra sicurità hè di primura. Rispettate sempre e seguenti linee guida di sicurità:
- Portate sempre un cascu è l'equipaggiu di sicurezza adattatu quandu cavalcate.
- Familiarizatevi cù e lege è i regulamenti di trafficu lucali riguardanti e biciclette elettriche.
- Perform a pre-ride inspection before each use, checking brakes, tires, battery, and lights.
- Ùn cavalcate micca sottu a influenza di l'alcohol o di droghe.
- Adjust your speed to suit road conditions, weather, and your riding ability.
- Ensure all folding mechanisms are securely locked before riding.
- Keep hands and feet away from moving parts, especially the chain and wheels.
- Ùn supere micca a capacità di carica massima di 150 kg.
3. Cumpunenti Overview
Understand the main parts of your Fafrees F20 X-MAX electric bicycle.

Figura 3.1: Overview of the Fafrees F20 X-MAX Electric Bicycle, showcasing its fat tires, folding frame, and integrated battery.
- Frame: High-strength steel folding frame.
- Motore: Rear hub brushless motor with 65 Nm torque.
- Batteria: Removable 48V 30Ah (1440 Wh) Samsung cell lithium-ion battery.
- Display: High-resolution color LCD display with USB charging port.
- Freni: Hydraulic disc brakes (160mm pads).
- Suspension: Triple suspension system (front fork, rear shock, seat post shock).
- Pneumatici: 20 x 4.0 inch pneumatic fat tires.
- Ingranaggi: Shimano 7-speed derailleur.
- Lumi: LED headlight with horn, rear light with brake light and turn signal.
- Racks: Practical front carrier and stable rear luggage rack.
4. Setup è Assemblea
Your Fafrees F20 X-MAX comes partially assembled. Follow these steps for final setup:
- Unpacking: Carefully remove the e-bike and all accessories from the packaging. Check the contents against the packing list. The package includes the F20 X-Max e-Bike, charger, tool kit, user manual, and a gift box with inner tube, valve caps, spokes, wheel reflectors, battery fuses, brake pads, and a keychain.
- Unfolding the Frame:Locate the main frame hinge. Release the safety latch and unfold the frame until it clicks into place. Secure the locking mechanism firmly.

Figura 4.1: The triple folding design of the Fafrees F20 X-MAX, showing the frame, handlebar, and pedal folding points for compact storage and transport.
- Assemblea di manubri: Insert the handlebar stem into the fork tube and tighten the quick-release lever or bolts. Adjust the handlebar height (116-132 cm) for comfortable riding. Ensure the handlebar is aligned with the front wheel.
- Installazione di pedali: Identify the left (L) and right (R) pedals. Thread the pedals into the crank arms. Note that the left pedal has a reverse thread. Tighten them securely with a wrench.
- Ajustamentu di u postu di u sedile: Insert the seat post into the frame. Adjust the seat height (86-106 cm) to allow for a slight bend in your knee when your foot is at the bottom of the pedal stroke. Secure the quick-release lever. The seat post also features integrated shock absorption for added comfort.
- Installazione di batterie: Ensure the battery is fully charged before first use. Insert the battery into its compartment and lock it securely. The battery is removable for convenient charging.
- Inflazione di pneumatici: Gonfiate i pneumatici à a pressione cunsigliata, chì si trova tipicamente nantu à u fiancu di u pneumaticu.
5. Operating Instructions
Learn how to operate your Fafrees F20 X-MAX electric bicycle.
5.1. Carica di Batteria

Figura 5.1: The 48V 30Ah Samsung battery, highlighting its removable design and 3A fast charging capability. The image shows the internal cell structure.
- Connect the charger to the charging port on the battery or directly to the battery if removed from the bike.
- Inserite u caricatore in una presa di corrente standard.
- The charging indicator on the charger will show the charging status. A full charge takes approximately 9 hours.
- Scollegate u caricatore una volta chì a carica hè finita.
5.2. Schermu LCD è cuntrolli

Figura 5.2: The high-resolution color LCD display, showing various riding metrics and featuring a built-in USB charging port for mobile devices.
The LCD display provides real-time information and allows control over the e-bike's functions:
- Accensione / spegnimentu: Appughjà è tene premutu u buttone d'accensione nant'à u screnu per accende o spegne a bicicletta.
- Speed Levels (PAS): Use the '+' and '-' buttons to cycle through the 0-3 levels of pedal-assist. Level 0 is no assist, Level 3 is maximum assist.
- Display di l'infurmazioni: The screen shows speed, battery level, mileage, and current gear.
- Cruise Control: The display features a cruise control function for maintaining a consistent speed.
- 6 km/h Walk Mode: Activate this mode for easy maneuvering when walking alongside the bike.
- Portu di Ricarica USB: A built-in USB port allows you to charge your mobile devices while riding.
5.3. Riding Modes
The F20 X-MAX offers three riding modes:
- Human Mode (Pedal Only): Ride the bike like a traditional bicycle without any electric assistance.
- Modu d'assistenza à a pedalata (PAS): The motor provides assistance as you pedal. Choose from 3 levels of assistance. This mode offers a range of 180-200 km.
- Modu Elettricu Puru: Aduprate l'acceleratore per spinghje a bicicletta senza pedalà. Questa modalità offre una autonomia di 120-140 km.
6. Mantenimentu
Una manutenzione regulare garantisce a longevità è u funziunamentu sicuru di a vostra bicicletta elettrica.
- Pulizia: Pulite a bicicletta regularmente cù l'annunziuamp pannu. Evitate u lavaggio à alta pressione direttamente nantu à i cumpunenti elettrichi.
- Lubrificazione: Lubrificate a catena è l'altre parti mobili periodicamente.
- Freni: Check brake pads for wear and replace as needed. Ensure brake levers are firm and responsive. Hydraulic disc brakes provide excellent stopping power.
- Pneumatici: Check tire pressure before each ride. Inspect tires for cuts or punctures.
- Cura di a batteria: Store the battery in a cool, dry place. If storing for extended periods, charge it to 50-70% every 2-3 months.
- Fissaggi: Periodically check all bolts and nuts for tightness, especially on the folding mechanisms, wheels, and handlebars.
- Suspension: Inspect the front fork, rear shock, and seat post shock for proper function and cleanliness.
7. Risoluzione di prublemi
This section addresses common issues you might encounter with your Fafrees F20 X-MAX.
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| A bicicletta ùn s'accende micca. | Batteria micca carica, batteria micca inserita currettamente, cavu di alimentazione allentatu. | Charge the battery. Ensure battery is fully inserted and locked. Check all cable connections. |
| U mutore ùn aiuta micca. | PAS level is 0, brake levers engaged, motor cable loose. | Increase PAS level. Release brake levers. Check motor cable connection. |
| I freni si sentenu debuli. | Worn brake pads, air in hydraulic system, misaligned calipers. | Inspect and replace brake pads. Consult a professional for hydraulic system bleeding or caliper adjustment. |
| Rumori strani da a trasmissione. | Catena secca, deragliatore malallineatu, cumpunenti allentati. | Lubricate the chain. Adjust derailleur. Check for loose bolts. |
| Corta autonomia di a batteria. | Under-inflated tires, frequent use of pure electric mode, riding uphill often, cold weather. | Ensure tires are properly inflated. Use pedal-assist more often. Battery performance can be reduced in cold temperatures. |
If you encounter issues not listed here or require further assistance, please contact Fafrees customer support.
8. Specificazioni
Detailed technical specifications for the Fafrees F20 X-MAX Electric Bicycle.
| Feature | Specificazione |
|---|---|
| Tipu di batterie | Samsung 21700 Lithium-ion Cell |
| Capacità batterie | 48V / 30Ah / 1440 Wh |
| Tempu di carica | Approx. 9 hours (with 3A fast charger) |
| Max Range (PAS Mode) | 180 - 200 km (112 - 124 miles) |
| Max Range (Pure Electric Mode) | 120 - 140 km (75 - 87 miles) |
| Locu Motore | Drive Hub posteriore |
| Max Torque | 65 Nm |
| Massima capacità di arrampicata | 25° |
| Corsa di a forcella anteriore | 50 mm |
| Rear Shock Travel | 15 mm |
| Tipu di visualizazione | Pantalla LCD Color |
| Livelli PAS | 0-3 |
| Derailleur | Shimano à 7 vitesses |
| Tipu di frenu | Freni à discu idraulichi |
| Foldable Parts | Handlebar, Frame, Pedals |
| Faru | LED Headlight with Horn |
| Luce posteriore | Rear Light with Brake Light and Turn Signal |
| Modi di equitazione | Human / Pedal-Assist / Pure Electric |
| Temperature di funziunamentu | -10℃ à 40℃ (14°F à 104°F) |
| Valutazione impermeabile | IPX4 |
| Dimensioni spiegate (L x L x A) | 186 x 126 x 63 cm (73.2 x 49.6 x 24.8 inch) |
| Dimensioni piegate (L x W x H) | 105 x 45 x 76 cm (41.3 x 17.7 x 29.9 inch) |
| Altezza di u manubriu regolabile | 116 - 132 cm (45.7 - 52 pollici) |
| Altezza di u Sedile Regulabile | 86 - 106 cm (33.9 - 41.7 pollici) |
| Size Tire | 20 x 4.0 inch |
| Pedal to Ground Clearance | 10 cm (3.9 inches) |
| Altezza consigliata per i piloti | 165 - 210 cm (5'5" - 6'11") |
| Pesu Net | 49 kg (108 lbs) |
| Pesu di batterie | 7.5 kg (16.5 lbs) |
| Capacità di carica | 150 kg (330 lbs) |
| Materiale di quadru | Acciaiu à alta resistenza |
| Tipu di pneumatici | Pneumatici Pneumatici |
9. Garanzia è Support
Fafrees provides a warranty for the F20 X-MAX Electric Bicycle against manufacturing defects. Please refer to the warranty card included in your package for specific terms and conditions, including warranty period and coverage details.
For technical support, spare parts, or warranty claims, please contact Fafrees customer service through their official website or the contact information provided in your product documentation. When contacting support, please have your model number (F20 X-MAX) and purchase date ready.
Cumpunenti inclusi:
- 1 x Fafrees F20 X-Max e-Bike
- 1 x Caricatore
- 1 x Tool Kit
- 1 x Manuale d'utilizatore
- 1 x Gift Box (including 1 x inner tube, 2 x valve caps, 4 x spokes, 2 x wheel reflectors, 2 x battery fuses, 2 x brake pads, 1 x keychain)





