Introducció
Welcome to the ENGWE L20 Electric Bicycle user manual. This guide provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new e-bike. The ENGWE L20 Boost is designed for adults, featuring a powerful 250W brushless motor, a removable 48V 13Ah battery, and 20'' x 4.0'' fat tires, offering a maximum range of up to 126 km in boost mode and a top speed of 25 km/h.
Please read this manual thoroughly before your first ride to ensure proper assembly, safe operation, and to maximize the lifespan of your bicycle.
Informació de seguretat
- Always wear a helmet that meets safety standards when riding.
- Compliu totes les lleis i regulacions de trànsit locals.
- Feu una inspecció prèvia a la conducció abans de cada ús, comprovant els frens, la pressió dels pneumàtics i el nivell de la bateria.
- No conduïu sota els efectes de l'alcohol o les drogues.
- Sigues conscient del teu entorn i condueix a la defensiva.
- Avoid riding in adverse weather conditions such as heavy rain, snow, or ice.
- Assegureu-vos que la bateria estigui ben fixada al seu lloc abans de conduir.
- Do not attempt to modify the e-bike's electrical system or motor.
Contingut del paquet
En obrir el paquet, comproveu que tots els components siguin presents i no estiguin danyats:
- ENGWE L20 Electric Bicycle (85% assembled)
- Bateria extraïble de 48 V i 13 Ah
- Carregador de bateria
- Kit d'eines
- Manual d'usuari (aquest document)
Si falta algun article o està danyat, poseu-vos en contacte amb el servei d'atenció al client immediatament.
Muntatge i muntatge
Your ENGWE L20 e-bike arrives 85% assembled. Follow these steps to complete the assembly:
- Desembalatge: Carefully remove the bicycle and all components from the packaging. Retain the packaging for future transport or storage.
- Instal·lació del manillar: Attach the handlebar to the stem. Ensure it is centered and tightened securely.
- Instal·lació de pedals: Identify the left (L) and right (R) pedals. Thread them into the crank arms. Note that the left pedal has a reverse thread. Tighten firmly with a wrench.
- Front Wheel (if detached): If the front wheel is detached, install it, ensuring the quick-release skewer or axle nuts are properly secured.
- Tija de seient i selló: Insert the seat post into the frame and adjust the saddle height for comfortable riding. Secure the quick-release lever or bolt.
- Instal·lació de la bateria: Insert the fully charged battery into its compartment on the frame and lock it using the provided key.
- Comprovacions prèvies a la cursa: Before your first ride, check tire pressure, brake function, and ensure all bolts and quick releases are tightened.

Image: The ENGWE L20 Electric Bicycle, showcasing its step-through frame, fat tires, and integrated front and rear racks.
Instruccions de funcionament
Càrrega de la bateria
To charge the battery, remove it from the bike or charge it directly on the bike. Connect the charger to the battery charging port and then plug it into a power outlet. The indicator light on the charger will change when charging is complete. A full charge takes approximately 4-6 hours.

Image: Close-up of the removable 48V 13Ah battery, highlighting its capacity and the bike's impressive 126km range.
Encès/Apagat
Insert the key into the battery lock and turn it to the "ON" position. Press and hold the power button on the display panel to turn the e-bike on. Repeat to turn off.
Riding Modes and Controls
- Mode d'assistència al pedal: The motor provides assistance as you pedal. Use the "+" and "-" buttons on the handlebar display to adjust the level of assistance (typically 1-5 levels).
- Full Electric Mode (if applicable): Some models may have a throttle for full electric propulsion without pedaling. Refer to local regulations regarding throttle use.
- Power Boost Button: The L20 Boost features a dedicated power boost button (labeled 'B' on the handlebar). Pressing this button provides an explosive burst of power, ideal for climbing hills or quick acceleration.
- 7-Speed Gear Shifter: Use the Shimano 7-speed gear shifter to select appropriate gears for different terrains and speeds, similar to a traditional bicycle.
- Control de la il·luminació: The handlebar controls also include buttons for turning the front and rear lights on/off.

Image: The color display and handlebar controls, showing the lighting control, 7-speed shifter, and the power boost button.

Image: Illustration of the 250W motor and 75Nm digital torque, emphasizing its powerful climbing ability and rapid acceleration.

Image: Detail of the handlebar, specifically highlighting the 75Nm Power-Boost button for enhanced performance.

Image: Comparison illustrating the superior torque sensor for quick response and smooth assistance, compared to a speed sensor.
Manteniment
Regular maintenance is crucial for the longevity and performance of your ENGWE L20 e-bike.
- Pressió dels pneumàtics: Check tire pressure before each ride. The 20'' x 4.0'' fat tires require specific pressure for optimal performance and comfort. Refer to the tire sidewall for recommended PSI.
- Frens: Regularly inspect brake pads for wear and ensure brake levers provide firm and responsive stopping power. Adjust or replace as needed.
- Lubricació de la cadena: Mantingueu la cadena neta i lubricada per garantir canvis de marxa suaus i evitar el desgast.
- Cura de la bateria: Store the battery in a cool, dry place. Avoid fully discharging the battery frequently. Charge it regularly, even if not in use, to maintain battery health.
- Neteja general: Neteja la teva bicicleta elèctrica regularment amb anuncisamp drap. Eviteu utilitzar rentadores d'alta pressió directament sobre els components elèctrics.
- Elements de fixació: Periodically check all bolts, nuts, and quick releases to ensure they are securely tightened.

Image: The ENGWE L20 showcasing its practical features, including the front basket, rear rack, front lights, and 7-speed gear system.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La bicicleta elèctrica no s'encén | Battery not charged, battery not properly seated, key not in "ON" position, loose electrical connection. | Charge battery, ensure battery is fully inserted and locked, turn key to "ON", check connections. |
| El motor no ajuda | Pedal assist level too low, brake levers engaged, motor connection loose, sensor issue. | Increase pedal assist level, ensure brakes are not engaged, check motor cable, contact support if sensor suspected. |
| Curt abast de la bateria | Low tire pressure, frequent use of high assist levels/throttle, old battery, riding uphill often. | Inflate tires to recommended PSI, use lower assist levels, consider battery replacement if old, adjust riding style. |
| Brakes squealing or ineffective | Worn brake pads, dirty rotors, misaligned calipers. | Inspect and replace brake pads, clean rotors, adjust brake calipers. Consult a professional if unsure. |
For issues not listed here or if solutions do not resolve the problem, please contact ENGWE customer support.
Especificacions
| Característica | Detall |
|---|---|
| Model | ENGWE L20 Boost |
| Motor | Motor sense escombretes de 250 W |
| Bateria | Ió de liti extraïble de 48 V i 13 Ah |
| Velocitat màxima | 25 km/h (15.5 mph) |
| Interval màxim | Up to 126 km (78 miles) in boost mode |
| Torque | 75 Nm Digital Torque |
| Pneumàtics | 20'' x 4.0'' Fat Tires |
| Engranatges | Shimano de 7 velocitats |
| Frens | Frens de disc |
| Material del marc | Alumini |
| Dimensions | 173.7 x 70 x 114 cm |
| Edat recomanada | Adults |
| Color | Blau |
Garantia i Suport
ENGWE provides a comprehensive 1-year warranty for the L20 Electric Bicycle, covering manufacturing defects and major components. Please retain your proof of purchase for warranty claims.
For technical assistance, warranty inquiries, or any other support needs, our customer service team is available 24/7. Please visit the official ENGWE website or refer to your purchase documentation for contact information.
Assistència en línia: Visit the ENGWE Store on Amazon





