Įvadas
Thank you for choosing the Fafrees F20 Electric Folding Bicycle. This manual provides essential information for the safe operation, maintenance, and troubleshooting of your new e-bike. The Fafrees F20 is designed for urban commuting and recreational riding, featuring a powerful 250W motor, a 16Ah battery for extended range, 20-inch fat tires for various terrains, and a convenient folding design. Please read this manual thoroughly before your first ride to ensure proper use and to maximize your riding experience.

Image: The Fafrees F20 Electric Folding Bicycle, showcasing its compact and robust design with fat tires and integrated battery.
Saugos informacija
Your safety is paramount. Always wear a helmet and appropriate safety gear when riding. Adhere to local traffic laws and regulations.
- Rėmelio numeris: The frame number of your F20 is printed on the bottom bracket (central axle) of the bicycle. It is crucial to record this number as it serves as the identification number for your bike. This information is vital in case of theft or for warranty claims.
- Matomumas: The Fafrees F20 is equipped with a bright LED headlight and a rear reflector for enhanced safety, especially during night rides. Ensure they are clean and functional before each use.
- Stabdymas: The bike features front and rear disc brakes, providing reliable stopping power. Regularly check brake pads and cables for wear and proper adjustment.
- Rider Height & Load: The adjustable seat and handlebar accommodate users between 160-198 cm (5'3" - 6'6"). The maximum load capacity is 150 kg (330 lbs). Do not exceed these limits.

Image: Diagram illustrating the dimensions of the Fafrees F20 and its rider height and load capacity specifications.
Pakuotės turinys
Atidarius pakuotę, patikrinkite, ar yra visi komponentai ir ar jie nepažeisti.
- 1 x Fafrees F20 Electric Folding Bicycle
- 1x pakrovėjas
- 1 x Battery (integrated or separate, depending on model variant)
- 1 x Naudotojo vadovas (šis dokumentas)
- 1 x Gift Set (may include tools or accessories)

Image: The Fafrees branded packaging box, indicating the product's origin.
Sąranka ir surinkimas
Your Fafrees F20 comes mostly pre-assembled. Follow these steps for final setup.
- Išpakavimas: Carefully remove the bicycle and all components from the packaging. Retain packaging for 30 days in case of return or shipping needs.
- Dviračio išskleidimas:
- Release the frame latch and unfold the main frame until it locks into place.
- Pakelkite vairo iškyšą ir užfiksuokite jos fiksatorių.
- Adjust the seat post to your desired height and secure the quick-release lever.
- Išskleiskite pedalus, jei jie yra sulankstomi.

Vaizdas: Stambus planas view of the aluminum alloy folding frame, highlighting the folding mechanism for compact storage.
- Akumuliatoriaus įdėjimas ir įkrovimas:
- Ensure the battery is securely inserted into its compartment. The F20 features a removable 16Ah / 36V Lithium-ion battery.
- Before first use, fully charge the battery using the provided charger. Connect the charger to the bike's charging port, then plug it into a power outlet. The indicator light on the charger will change when fully charged.

Image: Illustration of the 16Ah lithium battery, showing its placement within the frame and the easy removal process.
- Padangų slėgis: Check and adjust tire pressure to the recommended PSI (usually found on the tire sidewall) for optimal performance and safety. The 20*3.0 inch fat tires are suitable for various terrains.
- Stabdžių patikrinimas: Patikrinkite priekinius ir galinius stabdžius, kad įsitikintumėte, jog jie tinkamai įsijungia ir efektyviai sustabdo dviratį. Jei reikia, sureguliuokite.
Naudojimo instrukcijos
Prieš važiuodami susipažinkite su valdikliais.
- Maitinimo įjungimas/išjungimas: Press and hold the power button on the intelligent display to turn the bike on or off.
- Intelligent Multifunction Display: The display provides real-time information.
- Greičio ekranas: Rodo dabartinį važiavimo greitį.
- PAS lygis: Indicates the current pedal assist level (3 levels). Use '+' and '-' buttons to adjust.
- Maitinimo ekranas: Rodo likusį akumuliatoriaus įkrovą.
- Driving Distance: Tracks trip distance.
- Priekinių žibintų valdymas: Often integrated with the display controls.

Image: Close-up of the intelligent multifunction display on the handlebar, showing speed, battery, and PAS level indicators, along with control buttons.
- Važiavimo režimai: The F20 offers three riding modes:
- Electric Assist Mode (PAS): Variklis padeda minti pedalus. Nuvažiuojamas atstumas: 90–120 km.
- Pilnai elektrinis režimas: Use the thumb throttle for propulsion without pedaling. Range: 55-60 km.
- Pure Electric Mode (Pedal Only): Važiuokite kaip tradiciniu dviračiu be variklio pagalbos.

Vaizdas: Viršview of key components including the rear rack, headlight, fender, and thumb throttle, which controls the full electric mode.
- Pavaros: The 7-speed Shimano gear system allows you to adjust pedaling effort for different terrains and speeds. Shift gears smoothly while pedaling.
- Stabdymas: Apply both front and rear brakes simultaneously for effective and controlled stopping. Avoid sudden, hard braking, especially at high speeds.

Image: Diagram illustrating the front and rear disc brake system, emphasizing the safety shutdown function for reliable stopping.
Priežiūra
Regular maintenance ensures the longevity and safe operation of your Fafrees F20.
- Akumuliatoriaus priežiūra:
- Reguliariai įkraukite bateriją, net jei jos nenaudojate, kad palaikytumėte jos būklę.
- Venkite visiškai iškrauti akumuliatorių.
- Store the battery in a cool, dry place when not in use, ideally at 50-70% charge.
- Padangos: Check tire pressure before each ride. Inspect tires for wear, punctures, or damage. The 20*3.0 inch fat tires are designed for durability.
- Stabdžiai: Regularly inspect brake pads for wear and replace them when necessary. Check brake levers and cables for proper tension and smooth operation.
- Grandinė: Kad pavarų perjungimas būtų sklandus ir nerūdijanti, grandinę laikykite švarią ir suteptą.
- Bendras valymas: Reguliariai valykite dviratį naudodami reklamąamp audiniu. Venkite naudoti aukšto slėgio vandens srovę tiesiai ant elektrinių komponentų.
- Tvirtinimo detalės: Periodiškai patikrinkite visus varžtus, veržles ir greito atleidimo svirtis, kad įsitikintumėte, jog jie yra tvirtai priveržti.
Trikčių šalinimas
This section addresses common issues you might encounter. For more complex problems, please contact Fafrees customer support.
| Problema | Galima priežastis | Sprendimas |
|---|---|---|
| Dviratis neįsijungia. | Battery not charged, battery not properly seated, power button not pressed correctly. | Ensure battery is fully charged. Check battery connection. Press and hold power button firmly. |
| Variklis nepadeda. | Low battery, PAS level set to 0, brake levers engaged, motor connection issue. | Charge battery. Increase PAS level on display. Ensure brake levers are fully released. Check motor cable connection. |
| Stabdžiai silpni arba triukšmingi. | Worn brake pads, loose cables, contaminated rotors. | Patikrinkite ir pakeiskite stabdžių kaladėles. Sureguliuokite stabdžių trosų įtempimą. Išvalykite diskus diskinių stabdžių valikliu. |
| Pavaros nepersijungia sklandžiai. | Dirty chain, misaligned derailleur, stretched cable. | Clean and lubricate chain. Adjust derailleur. If problem persists, professional adjustment may be needed. |
Specifikacijos
| Funkcija | Detalė |
|---|---|
| Modelio numeris | F20 |
| Gaminio matmenys | 174 x 60 x 125 cm |
| Svoris | 26 kg (57.3 svaro) |
| Rekomenduojamas amžius | Suaugusieji |
| Dviračio tipas | Elektrinis sulankstomas dviratis |
| Variklis Wattage | 250W Brushless (Max 350W peak) |
| Maksimalus greitis | 25 km/h (15.5 mylių per valandą) |
| Maksimalus nuolydis | 25 laipsnių |
| Baterija | 16 Ah / 36 V Lithium-ion |
| Atstumas (visiškai elektrinis) | 55–60 km (34–37 mylios) |
| Atstumas (elektrinė pagalbinė sistema) | 90–120 km (56–75 mylios) |
| Rato dydis | 20 Inches (20*3.0 inch fat tires) |
| Greičių skaičius | 7 |
| Stabdžių tipas | Priekiniai ir galiniai diskiniai stabdžiai |
| Rėmo medžiaga | Aliuminio lydinys |
| Maksimali apkrova | 150 kg (330 svaro) |
| Raitelio ūgio diapazonas | 160–198 cm (5'3" - 6'6") ūgio |
| Ypatingos savybės | Dual Disc Brake, Foldable Design, Front Suspension |

Vaizdas: Išsamus view of the 250W brushless motor, highlighting its torque, gradeability, and IP54 waterproof rating.

Image: Close-up of the 20*3.0 inch fat tire, showing its anti-puncture design and integrated wheel, suitable for various road conditions.
Garantija ir palaikymas
For detailed warranty information, please refer to the specific warranty card or documentation included with your Fafrees F20 Electric Folding Bicycle. Fafrees is committed to customer satisfaction and provides support for product inquiries and issues.
If you encounter any problems not covered in this manual or require further assistance, please contact Fafrees customer service through their official websvetainėje arba mažmenininke, iš kurio įsigijote produktą.
Svarbu: Always provide your frame number (located on the bottom bracket) when contacting support for faster service.





