1. Introducció
Welcome to the DUOTTS F26 Lite Electric Bike user manual. This guide provides essential information for the safe assembly, operation, and maintenance of your new electric bicycle. Please read this manual thoroughly before your first ride to ensure optimal performance and safety.
2. Advertiments de seguretat importants
⚠ Please mind potential fire risk and strictly follow the instruction manual for charging and storage. While using the product, please wear protective equipment and fully comply with the applicable law and regulations.
- Porteu sempre casc i equip de seguretat adequat quan conduïu.
- Familiaritzeu-vos amb les lleis i regulacions locals relatives a les bicicletes elèctriques.
- Feu una inspecció prèvia a la conducció abans de cada ús, comprovant els frens, els pneumàtics i la bateria.
- No utilitzeu la bicicleta elèctrica sota els efectes de l'alcohol o les drogues.
- Eviteu conduir en condicions meteorològiques adverses o sobre superfícies relliscoses.
- Assegureu-vos que la bateria estigui ben fixada al seu lloc abans de conduir.
- Do not modify the e-bike's electrical system or motor.
3. Contingut del paquet
Your DUOTTS F26 Lite Electric Bike package should include the following components:
- DUOTTS F26 Lite Electric Bike (partially assembled)
- Carregador 48V 2A
- Manual d'usuari
- Assembly Tools (basic wrench set, hex keys)
- Pedals
- Roda davantera
- Muntatge del manillar
- Tija de seient i selló
4. Especificacions
The DUOTTS F26 Lite is designed for robust performance across various terrains. Below are its key specifications:
| Característica | Especificació |
|---|---|
| Tipus de producte | Fat Bike elèctrica |
| Material del marc | Aliatge d'alumini |
| Motor | 48V 500W (Rated Power), 750W (Peak Power) |
| Max Torque | 65 N·m |
| Capacitat de la bateria | 48V 18AH (YUANDONG 21700 Cells) |
| Max Range (Assisted) | Approx. 80–90 km (Pedal-Assist Mode) |
| Max Range (Electric) | Approx. 40–45 km (Pure Electric Mode) |
| Max Speed (Unlocked) | Màxim 50 km/h |
| Velocitat per defecte | 25 km/h (Adjustable via P08 setting) |
| Mida del pneumàtic | 26" x 4.0 (Fat Tires) |
| Frens | Hydraulic Disc Brake (Front and Rear) |
| Engranatges | Shimano 1*7 Speed Derailleur |
| Mostra | LCD Screen (3.2-inch LED Display) |
| Modes de conducció | 6 Power Levels (0-5, Level 0 is Off) |
| Angle d'escalada | Màxim 30 ° |
| Capacitat de càrrega màxima | 150 kg |
| Pes net | ≈34.81 kg |
| Classificació impermeable | IPX4 (Rain Splash Resistant) |
| Bluetooth | Supports Bluetooth connection to DUOTTS APP |
| Alçada recomanada del genet | 170-200 cm |
| Temps de càrrega | 8–9 hours (via 54.6V 2A Charger) |
| Dimensions del producte | Aprox. 1930 x 720 x 1180 mm |
| Opcions de color | Black Red, Silver White |
5. Muntatge i configuració inicial
Your DUOTTS F26 Lite Electric Bike comes partially assembled. Follow these steps to complete the assembly:
- Desempaquetar la bicicleta: Carefully remove the bike and all components from the packaging. Retain packaging for future transport or returns.
- Instal·leu la roda davantera:
- Align the front wheel with the fork dropouts.
- Insert the quick-release skewer through the hub.
- Tighten the skewer nuts and secure the quick-release lever.
- Ensure the wheel spins freely and is centered.
- Fixeu el manillar:
- Loosen the stem bolts on the fork.
- Insert the handlebar stem into the fork steerer tube.
- Adjust the handlebar to a comfortable height and align it with the front wheel.
- Tighten the stem bolts securely.
Handlebar assembly with LCD display and controls. - Instal·leu els pedals:
- Identifiqueu els pedals esquerre (L) i dret (R).
- Thread the 'L' pedal counter-clockwise into the left crank arm.
- Thread the 'R' pedal clockwise into the right crank arm.
- Estrenyeu fermament amb una clau anglesa.
- Adjust the Seat:
- Inseriu la tija del seient al tub del seient del quadre.
- Adjust the saddle height so your leg has a slight bend at the knee when the pedal is at its lowest point.
- Secure the quick-release lever or seat post clamp.
- Check Brakes and Gears:
- Ensure both front and rear hydraulic disc brakes are functioning correctly.
- Verify the Shimano 7-speed derailleur shifts smoothly through all gears.
Detail of the ZOOM Hydraulic Disc Brakes for powerful stopping. 
The Shimano 1-7 speed gear system for smooth shifting. - Carregueu la bateria: Fully charge the battery before your first ride. Refer to the "Charging the Battery" section for details.
6. Instruccions de funcionament
Understanding your e-bike's controls and features will enhance your riding experience.
6.1 Engegada/apagada
Locate the power button on the LCD display. Press and hold to turn the bike on or off.
6.2 Pantalla LCD i controls
The 3.2-inch LED display provides essential riding information and allows you to adjust settings.
- Indicador de velocitat: Mostra la velocitat actual.
- Nivell de bateria: Displays remaining battery charge.
- Nivell d'assistència: Indicates the current pedal-assist level (0-5).
- Comptaquilòmetres/comptaquilòmetres parcial: Fa un seguiment de la distància total o de la distància actual del viatge.
- P08 Setting: Allows adjustment of the default speed limit. Consult the full display manual for advanced settings.
6.3 Modes de conducció
The F26 Lite offers 6 power levels (0-5) for pedal assistance:
- Nivell 0: No electrical assistance (pure pedal power).
- Nivells 1-5: Incrementasing levels of motor assistance. Use '+' and '-' buttons on the handlebar to adjust.
- Mode elèctric pur: Use the throttle for propulsion without pedaling.
6.4 Canvi de marxes
Your e-bike is equipped with a Shimano 1*7 speed derailleur. Use the shifter on the handlebar to change gears according to terrain and desired speed. Shift smoothly to avoid strain on the drivetrain.
6.5 Frenades
The hydraulic disc brakes provide powerful and reliable stopping power. Apply both front and rear brakes simultaneously for effective and controlled deceleration. Avoid sudden, hard braking, especially at high speeds.
6.6 Lights and USB Charging Port
- Far: Turn on the high-brightness headlight for night riding.
- Llum de la cua: The bright taillight includes a flashing brake light for enhanced visibility.
- Port de càrrega USB: Located on the display or handlebar, this port allows you to easily charge your phone while riding.
6.7 Connectivitat Bluetooth
The DUOTTS F26 Lite supports Bluetooth connection to the DUOTTS APP. Download the official app to access additional features, track your rides, and customize settings.
7. Carregant la bateria
The 48V 18Ah Lithium battery provides reliable power. Proper charging ensures longevity and performance.
- Temps de càrrega: A full charge typically takes 8-9 hours using the provided 54.6V 2A charger.
- Procés de càrrega:
- Assegureu-vos que la bicicleta elèctrica estigui apagada.
- Connect the charger to the charging port on the battery (or directly to the battery if removed from the bike).
- Connecteu el carregador a una presa de corrent estàndard.
- El llum indicador del carregador normalment es mostrarà en vermell durant la càrrega i es tornarà verd quan estigui completament carregat.
- Desconnecteu el carregador un cop finalitzada la càrrega.
- Cura de la bateria:
- No sobrecarregueu la bateria.
- Charge in a well-ventilated area, away from flammable materials.
- Eviteu esgotar completament la bateria abans de tornar-la a carregar.
- Store the battery in a cool, dry place when not in use, and charge it periodically if stored for long periods.
8. Manteniment
Regular maintenance will ensure the longevity and safe operation of your DUOTTS F26 Lite.
- Pressió dels pneumàtics: Check tire pressure regularly. The 26" x 4.0 fat tires require specific pressure for optimal performance and comfort. Refer to the tire sidewall for recommended PSI.
- Frens: Inspect brake pads for wear and replace as needed. Ensure hydraulic brake fluid levels are adequate and lines are free from leaks.
- Cadena: Mantingueu la cadena neta i lubricada per garantir canvis de marxa suaus i evitar el desgast.
- Elements de fixació: Periodically check all bolts, nuts, and quick-release levers for tightness.
- Neteja: Netegeu la bicicleta amb un damp cloth. Avoid using high-pressure washers directly on electrical components. The bike has an IPX4 waterproof rating, meaning it is rain splash resistant, but not submersible.
- Bateria: Keep battery terminals clean. If storing the bike for an extended period, remove the battery and store it in a cool, dry place, charging it every 1-2 months.
9. Solució De Problemes
Aquí teniu alguns problemes comuns i les seves possibles solucions:
| Problema | Causa possible | Solució |
|---|---|---|
| La bicicleta no s'encén | Battery not charged, battery not connected, power button not pressed correctly | Charge battery, ensure battery is securely seated, press and hold power button |
| El motor no ajuda | Assist level set to 0, battery low, motor connection issue | Increase assist level, charge battery, check motor cable connections |
| Els frens es senten febles | Worn brake pads, air in hydraulic lines, misaligned calipers | Inspect/replace pads, bleed brakes (professional service recommended), adjust calipers |
| Les marxes no canvien suaument | Derailleur out of adjustment, dirty/dry chain, bent hanger | Adjust derailleur, clean and lubricate chain, inspect hanger for damage |
| Sorolls inusuals durant el trajecte | Loose components, dry chain, brake rub | Check all fasteners, lubricate chain, adjust brake calipers |
Si trobeu problemes que no figuren aquí o no podeu resoldre un problema, poseu-vos en contacte amb l'atenció al client.
10. Consells d'usuari
- Optimitzar rang: To maximize battery range, use lower pedal-assist levels, pedal consistently, and avoid sudden accelerations or steep climbs in high assist modes.
- Terrain Adaptability: The 26" x 4.0 fat tires are excellent for various terrains. Adjust tire pressure for different surfaces: lower pressure for soft terrain (sand, snow) for better grip, higher pressure for paved roads for efficiency.
- Seguretat: Always secure your e-bike with a robust lock when unattended, even for short periods.
- Integració d'aplicacions: Utilize the DUOTTS APP via Bluetooth for ride tracking, diagnostics, and potential firmware updates to enhance your riding experience.
11. Garantia i Suport
For warranty information, technical support, or replacement parts, please refer to the official DUOTTS weblloc web o contacteu amb el vostre distribuïdor. Conserveu el rebut de compra com a comprovant de compra.
⚠ Disclaimer: This manual provides general guidelines. Always prioritize safety and consult a professional bicycle mechanic for complex repairs or adjustments.
