1. Introducció
Welcome to the ENGWE EP-2 BOOST Folding Electric Bike user manual. This guide provides essential information for the safe operation, assembly, maintenance, and troubleshooting of your new electric bicycle. Please read this manual thoroughly before your first ride to ensure optimal performance and safety.

Figure 1: ENGWE EP-2 BOOST Folding Electric Bike (Grey model shown)
The ENGWE EP-2 BOOST is designed for versatility, featuring a 20-inch fat tire design suitable for various terrains, a powerful 48V 13Ah removable battery, and a 250W brushless motor. Its foldable design makes it convenient for transport and storage.
2. Informació de seguretat
La vostra seguretat és primordial. Seguiu sempre les següents pautes de seguretat:
- Portar un casc: Always wear a certified bicycle helmet when riding.
- Revisar els frens: Before each ride, ensure both front and rear disc brakes are functioning correctly.
- Pressió dels pneumàtics: Maintain correct tire pressure as specified on the tire sidewall.
- Llums: Use the integrated front and rear lights, especially when riding in low light conditions or at night.
- Lleis de trànsit: Compliu totes les lleis i regulacions de trànsit locals.
- Límit de pes: No supereu la capacitat de càrrega màxima de 150 kg.
- Condicions meteorològiques: Exercise caution when riding in wet or slippery conditions.
- Sense acceleració: This model complies with European traffic regulations and does not feature a throttle. Power assistance is provided via the pedal-assist system and the Boost button.
3. Components del producteview
Familiarize yourself with the key components of your ENGWE EP-2 BOOST e-bike:
3.1. Sistema de bateries

Figure 2: 48V 13Ah Removable Battery integrated into the frame, offering up to 120 km range.
The EP-2 BOOST is equipped with a 48V 13Ah (624 Wh) removable battery, providing a long range of up to 120 km on a single charge (PAS 1 mode). The battery is integrated into the frame for a sleek design and easy removal for charging.
3.2. Sensors intel·ligents
Figure 3: Comparison of Torque Sensor (left) and Speed Sensor (right).
This e-bike features a Sensor de parell for a smoother, more responsive ride. Unlike traditional speed sensors, the torque sensor measures your pedaling force, providing assistance proportional to your effort for a natural cycling feel.
3.3. Integrated Display and Controls
Figure 4: Handlebar view showing the integrated display and the 55Nm Power-Boost Button.
The integrated display provides real-time information including speed, battery level, and mileage. The handlebar also features a 7-speed Shimano gear shifter and a dedicated Power-Boost Button (marked 'B') for an instant surge of 55Nm torque, particularly useful for uphill climbs.
4. Muntatge i muntatge
Your ENGWE EP-2 BOOST electric bike comes 85% pre-assembled. Follow these steps for final assembly:
- Desembalatge: Traieu amb cura la bicicleta i tots els components de l'embalatge.
- Instal·lació del manillar: Unfold the handlebar stem and secure it in place. Adjust the handlebar height and angle for comfortable riding.
- Instal·lació de pedals: Identify the left (L) and right (R) pedals. Screw them into the crank arms. Note that the left pedal is reverse-threaded.
- Instal·lació de la tija del seient: Insert the seat post into the frame and adjust the saddle height to ensure your feet can comfortably touch the ground when stopped. Secure the quick-release lever.
- Inserció de la bateria: If removed for shipping, insert the battery into its compartment in the frame and lock it with the key. Ensure it is securely seated.
- Comprovacions prèvies a la cursa: Before your first ride, double-check all bolts, quick releases, and connections to ensure they are tight and secure. Inflate tires to the recommended pressure.
5. Instruccions de funcionament
5.1. Encès / apagat
To power on the bike, press and hold the power button on the integrated display. To power off, press and hold the same button until the display turns off.
5.2. Sistema d'assistència al pedaleig (PAS)
The EP-2 BOOST features multiple levels of pedal assistance. Use the '+' and '-' buttons on the control panel to cycle through the assist levels. Higher levels provide more motor assistance. Remember, the bike is designed to assist your pedaling, not replace it.
5.3. Funció Boost
Figure 5: Rider utilizing the 55Nm Boost function for uphill assistance.
For an extra burst of power, especially when climbing hills, press the 'B' (Boost) button on the handlebar. This provides an immediate 55Nm torque boost to help you conquer inclines with ease.
5.4. Canvi de marxes
The bike is equipped with a 7-speed Shimano gear system. Use the shifter on the right handlebar to change gears according to terrain and desired pedaling effort. Shift to lower gears for climbing and higher gears for flat terrain or downhill riding.
5.5. Sistema de frenada
Figure 6: The EP-2 BOOST features 180mm disc brakes for reliable stopping power.
The ENGWE EP-2 BOOST features 180mm front and rear disc brakes for strong and reliable stopping power. Apply both brakes simultaneously for optimal control and shorter stopping distances. Avoid sudden, hard braking, especially with the front brake only.
5.6. Terrain Adaptability
Figure 7: The 20x4.0-inch fat tires and front suspension allow the EP-2 BOOST to handle diverse road conditions.
With its 20x4.0-inch fat tires and front suspension, the EP-2 BOOST is designed to handle various terrains, including asphalt, sand, gravel, and dirt roads, providing a stable and comfortable ride.
6. Manteniment
Regular maintenance ensures the longevity and safe operation of your e-bike:
- Pneumàtics: Check tire pressure weekly and inspect for wear or damage.
- Frens: Regularly check brake pads for wear and ensure brake levers are firm. Adjust as needed.
- Cadena: Mantingueu la cadena neta i lubricada per evitar l'oxidació i garantir un canvi de marxes suau.
- Cura de la bateria: Charge the battery regularly, even if not in use, to maintain its health. Store in a cool, dry place. Avoid fully discharging the battery.
- Elements de fixació: Comproveu periòdicament tots els cargols, femelles i tancaments ràpids per assegurar-vos que estiguin ben ajustats.
- Neteja: Netegeu la bicicleta amb un damp drap. Eviteu rentar directament els components elèctrics a alta pressió.
7. Solució De Problemes
Aquí teniu alguns problemes comuns i les seves possibles solucions:
| Problema | Causa possible | Solució |
|---|---|---|
| La bicicleta no s'encén | Bateria no carregada o no ben col·locada. | Ensure battery is fully charged and securely inserted. Check battery lock. |
| El motor no ajuda | PAS level set to 0 or sensor issue. | Increase PAS level. Check for any loose cables to the motor or sensors. |
| Els frens es senten esponjosos | Brake cable slack or worn pads. | Adjust brake cable tension or replace brake pads. |
| Les marxes no canvien suaument | Derailleur out of adjustment or dirty chain. | Clean and lubricate chain. Adjust derailleur limits and cable tension. |
Si teniu problemes que no figuren aquí o necessiteu més ajuda, poseu-vos en contacte amb l'atenció al client.
8. Especificacions tècniques
| Característica | Especificació |
|---|---|
| Model | ENGWE EP-2 BOOST |
| Motor | Motor sense escombretes de 250 W |
| Bateria | 48V 13Ah (624 Wh) Removable Lithium-ion |
| Velocitat màxima | 25 km/h (EU Compliant) |
| Interval | 50-120 km (depending on assist level and terrain) |
| Sensor de parell | Sí |
| Boost Torque | 55Nm (via Boost Button) |
| Frens | 180mm Front & Rear Disc Brakes |
| Engranatges | Shimano de 7 velocitats |
| Pneumàtics | Pneumàtics gruixuts de 20 x 4.0 polzades |
| Material del marc | 6061 aliatge d'alumini |
| Suspensió | Forquilla de suspensió davantera |
| Capacitat de càrrega màxima | 150 kg |
| Components inclosos | Suport de peu |
9. Garantia i Suport
ENGWE offers a one-year warranty on the motor, battery, and controller of your EP-2 BOOST electric bike, ensuring peace of mind regarding these critical components.
For any questions, concerns, or technical support, our customer service team is available 24/7. Please refer to your purchase documentation or the official ENGWE weblloc per obtenir dades de contacte.
Recursos en línia: For additional information, FAQs, and video tutorials, please visit the official ENGWE weblloc o el ENGWE Store on Amazon.





