ENGWE ENGINE PRO 2.0 Electric Bike Owner's Manual
Please read this manual carefully before using your e-bike.
Safety Guidelines for E-Bike Usage
Thank you for choosing the ENGWE series product. To ensure a quick and safe riding experience, please familiarize yourself with this manual. The company reserves the right to interpret and explain this manual.
- Before using this product, ensure the rider has read the manual.
- It is your responsibility to be aware of and comply with the laws in your area.
- Before riding, thoroughly check that all components are in good condition to ensure safety. If you find any problems, please contact ENGWE promptly.
- Ensure the rider wears a helmet and other protective gear.
- Minors need to use this product legally in accordance with local regulations.
- Minors must have parental approval and supervision to use this product.
- Riders must not be under the influence of alcohol or drugs.
- Do not operate the bike if the rider is unable to engage in strenuous activities due to illness.
- Avoid riding in extreme weather conditions or when excessively fatigued.
- While the bike is suitable for rain or snow, avoid water contact near the motor center to prevent damage to the internal circuitry.
- Do not charge or park the bike indoors. Keep charging away from flammable materials, and avoid excessively long charging times.
- Do not touch battery discharge components with hands. Avoid metal contact with battery electrodes and the bike circuit to prevent short circuits.
- Use the original charger for battery charging. Do not use the bike's battery for other devices to prevent damage.
- Avoid using non-original parts. Unauthorized disassembly, cracking, or modification of the product and its components is prohibited, and any resulting damage or loss is your responsibility.
- Regularly maintain brakes, tires, and other moving parts for proper bike functionality.
- Services outside the warranty scope may require payment for maintenance and related services.
Thank you again for choosing and trusting our product.
Vehicle Information
E-Bike Diagram
The e-bike features the following components:
- Handlebar
- Folding vertical tube
- Head tube
- Front light
- Front fork
- Front wheel
- Pedal
- Motor
- Rear wheel
- Mudguard
- Folding mechanism
- Seat clamp
- Seat post
- Saddle
Specifications
| Module | Product Name | EU | US | UK |
|---|---|---|---|---|
| Basic Information | Brand | ENGWE | ENGWE | ENGWE |
| Model | ENGINE PRO 2.0 | ENGINE PRO 2.0 | ENGINE PRO 2.0 | |
| Dimensions | 1750×570×1230mm | 1750×570×1230mm | 1750×570×1230mm | |
| Curb Weight (with battery) | 31.6KG | 31.6KG | 31.6KG | |
| Rated Load | 150KG | 150KG | 150KG | |
| Main Parameters of the E-Bike | Brake Type | Hydraulic disc brake | Hydraulic disc brake | Hydraulic disc brake |
| Tire Specs | 20×4.0inch | 20×4.0inch | 20×4.0inch | |
| Recommended Tire Pressure | 20 PSI | 20 PSI | 20 PSI | |
| Transmission | Chain Drive | Chain Drive | Chain Drive | |
| Max Speed | 25KM/H | 32KM/H | 25KM/H | |
| Range (power assist mode) | 110KM | 110KM | 110KM | |
| Battery Type | Lithium, 1 pc | Lithium, 1 pc | Lithium, 1 pc | |
| Battery Expand | None | None | None | |
| Rated Power | 250W | 750W | 750W | |
| Rated output torque | 75N.M | 75N.M | 75N.M | |
| Battery voltage | 52V | 52V | 52V | |
| Battery Capacity | 16AH | 16AH | 16AH | |
| Light Configuration | Front Light | LED | LED | LED |
| Rear Light | LED | LED | LED | |
| Charge Current | 3A | 3A | 3A | |
| Charger | Charge Duration | 5-8H | 5-8H | 5-8H |
Display Information
The e-bike display shows:
- Battery level: Indicated by a bar and percentage (e.g., 100%).
- Error code: Displays "ERROR" if a fault occurs.
- Current speed: Shown in KM/H or MPH.
- Walk boost: Icon indicating walk assist mode.
- Trip odometer, Odometer, Max speed, Average speed: Displayed with units like km, km/h, mile/h.
- PAS level: Indicates the power assist level.
- Value and unit: Displays various metrics like Wh, Ah, V.
- Light ON/OFF status.
- Bluetooth connectivity status.
- USB connection status.
- Speed unit selection (KM/H or MPH).
When the display is powered on, it shows Current Speed (km/h) and Trip Odometer (km) by default. A short press of the switch button cycles through Trip Odometer (km), Odometer (km), Maximum Speed (km/h), and Average Speed (km/h).
Control Buttons and Operation
| Button Names | Operating Instructions |
|---|---|
| Power On/Off Button | Long-press the power button to turn on or off. |
| Power assist increase button | Short press the increase button to increase the power assist level. |
| Power assist decrease button | Short press the decrease button to decrease the power assist level. Press and hold the reduce button to enter power-assisted push mode; release the reduce button to exit power-assisted push mode. |
| Press the increase and decrease buttons simultaneously for 2 seconds | When the display is ON and the speed shows 0: 1) Press the increase button/the decrease button to toggle between the personalized parameter setting interface, and press the switch button to enter the parameter changing state. Press the increase button /the decrease button to select the parameter, long press the increase button for addition operation, long press the decrease button for subtraction operation. Press the switch button to save the parameter settings and return to the personalized parameter setting interface. Long Press the switch button to save the parameter settings and exit the personalized parameter setting interface. 2) The following options are available on the personalized parameter setting interface: Backlight luminance, diameter setting, Number of speed sensor magnets setting, Start-up setting, Drive mode setting, Pedal assist sensitivity setting, Pedal assist strength setting, Number of pedal assist sensor magnets setting, Controller Current Limit Setting, Battery under voltage value setting, ODO reset setting, 6km/h walk boost setting. |
| Long press the increase and light button | When the main interface speed is 0, you can enter the factory default parameter restoration interface. |
| Long press the decrease and switch button | When the speed of the main interface is 0, a single mileage clearing can be performed. During the clearing process, the main interface will flash. |
| Light button | Turn on and off the headlights. |
| Thumb throttle | Push the throttle to supply power. |
Package Contents
The package includes:
- Main frame
- Saddle/Seat post
- Front wheel
- Tool box
Tool Box List
The tool box contains:
- OWNER'S MANUAL
- 8-10mm/13-15mm/14-15mm Wrench
- Phillips screwdriver
- 4mm/5mm/6mm Hex key
- Adapter/Charger
- Bicycle Pedals
Please carefully inspect the items inside the box to ensure they are intact. If there are any missing or damaged items, please contact customer service promptly.
Assemble Vehicle
Step 1: Head Tube Assembly
Remove the casing insert the folding stem into the frame's head tube. [arrow]
Step 2: Folding Stem Securing
Open the folding stem and, using the designated tool, tighten the screws inside the folding stem to secure it. Check the stability of the connection between the frame and the folding stem. [arrow]
Step 3: Handlebar Installation
Use the designated tool to loosen the screws as shown in the diagram. Secure the handlebar in the latch, rotate it to the desired angle, then tighten the screws as shown. Check the stability of the connection between the handlebar and the folding stem. [arrows]
Step 4: Front Fork Components
Use the designated tool to tighten the screws, headlight, and front fender as shown. Secure them onto the front fork, and check the stability of the connection between the front light and fender with the front fork. [arrows]
Step 5: Front Wheel Installation
Using the designated tool, remove the Shipping Axle, and secure the front wheel in the position shown in the diagram. Ensure that the disc brake and brake are on the same side. Use the specified tool to tighten the screws and check the stability of the connection between the front wheel and the front fork. [arrows]
Step 6: Pedal Installation
First, distinguish the installation position of the left/right pedal according to the marked position in the picture (L for Left, R for Right). Use the designated tools to tighten and fix the left/right pedal in the corresponding position, and check the stability of the connection between the pedal and the frame. [L/R markings]
Step 7: Rear Components Installation
Use the designated tools to fix the taillights, rear rack, and fenders with screws as shown, and check their stability. [arrows]
Step 8: Fixed Components Securing
Fix the fixed components with screws using designated tools as shown in the figure, and check their stability. [arrows]
Step 9: Seat Post Adjustment
Open the seat post clamp handle, insert the seat post into the seat tube, adjust it to the appropriate saddle height, close the seat post clamp handle, and secure the seat post.
Step 10: Handlebar Alignment
Finally, check that the handlebar is perpendicular to the direction of riding. If there is any deviation, open the folding stem fixing screws and adjust the handlebar direction accordingly. [arrow]
Frequently Asked Questions and Solutions
Common Problems and Troubleshooting
| Common Problem | Problem Analysis | Troubleshooting |
|---|---|---|
| The E-bike will not power up | 1. The Key is not turned on; 2. The battery is not in place; 3. Power switch wiring is loose and disconnected; 4. The battery does not power up. | 1. Twist Key OFF and ON again; 2. Install the battery; 3. Remove the frame electrical component mounting box and connect the wiring; 4. Contact your retailer for resolution. |
| Twisting the speed control lever after powering on the E-bike does not move. | 1. Check that the power assist setting is set to level 1-5; if 0, the motor will not output power. 2. The speed control handle wiring is loose and disconnected. | 1. Please set level between 1-5 before using the throttle assist or pedal to activate the power assistance. 2. Connect the speed control handle wiring; 3. Contact your retailer for resolution. |
| The E-bike operates normally, but the speed is not displayed on the dashboard | 1. The white speed wire at the controller end is loose and detached; 2. Meter malfunction. | 1. Simply remove the frame electrical component mounting box and connect the white speedo wire; 2. Contact your retailer for resolution. |
| Front/rear lights don't light up | 1. Front/rear light wires are loose and detached; 2. Faulty front/rear lights. | 1. Just remove the frame electrical parts mounting box and connect the front/rear light wires; 2. Contact your retailer for resolution. |
| Shifting unsmoothly | 1. Derailleur adjustment needed; 2. Deformation of the rear extraction protector; 3. Shift cable loose. | 1. Use tool to correct derailleur operation; 2. Adjust the shifter cable. |
Error Codes
| Error Code | Fault Problem | Error Code | Fault Problem |
|---|---|---|---|
| E001 | Controller malfunction | E005/E025 | Brake lever malfunction |
| E002/E030 | Communication Malfunction | E006/E023 | Motor phase loss |
| E003/E024 | Hall sensor malfunction | E021 | Abnormal Current |
| E004/E022 | Throttle malfunction |
If you encounter these problems, please follow the troubleshooting steps or contact ENGWE service.
Batteries and Chargers
Battery Specifications
| Battery capacity(AH) | 16 |
| Electricity (WH) | 832 |
| Rated voltage (V) | 52 |
| Maximum charging voltage (V) | 58.8 |
| Maximum charging current (A) | 3 |
| Battery Type | Li-ion |
| Ambient working temperature | -5 to 45 °C |
| Cycle life | ≥500 times |
| Charging temperature | 0 to 45 °C |
| Waterproof rating | IPX4 |
Battery Usage and Charging Instructions
Your bike is powered by a lithium-ion (Li-Ion) battery. Always follow the instructions below when operating, charging, and using:
- Vehicle batteries are for use in this vehicle only. It is strictly prohibited to connect the battery to other electronic devices, which may cause a risk of battery damage.
- Be sure to turn off the battery lock before installing and removing the battery.
- Do not modify, open, or disassemble the battery pack. Modifying or disassembling the battery may cause a short circuit, fire, or malfunction.
- Batteries are heavy; please hold them carefully to avoid dropping them.
- Do not allow any sharp or metal objects to touch the battery electrodes and charging jack, as there is a risk of short-circuiting the battery and fire.
- Do not overheat the battery and avoid overexposure to the sun.
- Do not expose the battery to heat from an open flame or radiator.
- Do not immerse the battery in water.
- Turn off the power and unplug the charger or battery before carrying out installation, maintenance, cleaning, or repair. Touching the contacts while the bike is on may cause electric shock or injury.
- If the bike is not used for a long time, please remove the battery and put it in a dry, well-ventilated place. Ensure the storage environment temperature is 25-35°C. Charge the battery at least once every three months to maintain at least 3 cells (40-50%) charge, which will effectively prolong the life of the battery.
- Used batteries must not be disposed of in household waste. Dispose of all batteries and chargers in an environmentally friendly manner in accordance with local regulations.
Battery Charging Process
First, connect the DC end of the charger to the battery charging port, then plug the AC end of the charger into the AC wall outlet. The charger indicator light will turn red, indicating charging has started. Wait until the charger indicator light turns green, signaling that charging is complete. Unplug the AC end first, then the DC end of the charger.
Remove the Battery
While the bike is folded, rotate the key clockwise fully to disengage the lock. Slide the battery out to remove it.
Install the Battery
While the bike is folded, insert the battery into the frame, ensuring correct orientation. Turn the key clockwise to the right; the first turn locks the battery box, and the second turn powers on the E-bike.
Vehicle Cleaning and Maintenance
Cleaning
Before cleaning, turn off and remove the key. Use clean water and neutral detergent for washing; avoid high-pressure water jets. After washing, use a soft cloth or sponge. Strictly avoid using metal brushes, sandpaper, etc., to prevent scratching. Wipe the vehicle dry with a soft cloth.
Storage
Park the vehicle in a dry, cool indoor environment, avoiding direct sunlight and rain to prevent rusting and shorten lifespan. For extended storage, turn off the key (disconnect the lithium battery) to prevent over-discharge.
Note: If you encounter any abnormalities during maintenance, please contact after-sales support or designated authorized service centers.
Component Maintenance
Motor
- When driving through water, ensure the water level does not exceed the rear wheel's midpoint.
- Regularly check the fastening status around the motor. Tighten loose nuts promptly.
- After the vehicle stops running, perform simple cleaning and protection to prevent debris from entering the motor. Avoid spraying water directly during cleaning.
- Check motor leads for scratches. If unusual noises occur during operation, contact after-sales support or designated authorized service centers.
Controller
Regularly check connected components to ensure they are securely fastened.
Battery
- For abnormal battery behavior, contact after-sales support or designated authorized service centers.
- Avoid using the battery until completely depleted. Aim to maintain it above 20%. Charge promptly after use to extend battery life.
- Never dismantle the battery privately; this may lead to electric shock, short-circuit, ignition, or explosion.
- A full battery level indicator or a green charger light indicates a fully charged battery.
- Suitable storage temperature for the battery is between 0°C and 35°C.
- If the vehicle is not used for an extended period, fully charge the battery, remove it, and store it in a dry, ventilated area. Recharge it once every two months.
- Do not store the battery in a place with a risk of falling, as this may damage it and cause short circuits, ignition, or explosion.
Charger
Before Charging:
- Use the dedicated charger only for the vehicle; charging non-rechargeable batteries is forbidden.
- Do not carry the charger with the vehicle to prevent vibration from loosening internal components.
- Do not use if damaged wires or loose connections are found. Contact after-sales support or designated authorized service centers.
During Charging:
- Park the vehicle in a safe place, avoiding rain and direct sunlight.
- Insert the charger plug into the vehicle's charging port first, then plug the charger's power plug into the wall.
- If indicator lights are abnormal, there is an unusual smell, or the charger casing becomes too hot, immediately disconnect the charging and contact after-sales support or designated authorized service centers.
After Charging:
- After the battery is fully charged, unplug the charger's power plug first, then unplug the charger's charging plug.
- Once the charger has cooled down, tidy up the power and charging cables and place them in a safe location.
Warning:
- Ensure sufficient ventilation during charging, keep away from explosive gases, and guard against fire risk.
- The charger contains high voltage; do not disassemble or replace internal components. Contact after-sales support or designated authorized service centers for malfunctions.
- Avoid keeping the charger connected to the power source for extended periods, operating without a load, or charging multiple vehicles.
- Handle the charger with care, avoiding rough handling.
Warranty Service
Warranty Terms
- The warranty applies only to the original owner of the e-bike purchased through ENGWE online or in a physical shop.
- The warranty period begins upon receipt by the customer and ends immediately upon expiration, sale, or transfer to another person. The limited warranty does not apply to subsequent owners or assignees.
- Replacement parts will be sent free of charge for non-man-made damage during the warranty period. After expiration, the customer is responsible for replacement parts and shipping costs.
- All bikes sold are new regular products, and all parts are identical to the original parts.
Conditions Not Eligible for Warranty
- Failure caused by the customer's failure to use, maintain, and adjust in accordance with the instruction manual.
- Failure caused by the customer's own disassembly, repair, modification, or failure to comply with the rules of use.
- Failure caused by improper use or storage by the customer, or by accident.
- Costs incurred by repairing at other repair shops without ENGWE's consent.
- Minor scratches or damage to the outer box of the accessory due to logistical problems are not covered.
- Contact ENGWE and obtain written approval before sending back any item. No refunds will be given for products returned without acceptance.
- Warranty does not cover normal wear and tear of components.
- Wearable parts (e.g., tires, saddles, plastic parts, brakes, brake rotors, brake pads, brake lines, surface scratches, etc.) are not covered by the warranty.
How to Apply for Warranty
- Take pictures or videos of the issue.
- Send a short description of the problem, picture/video, order number, and purchasing platform to service@engwe-bikes.com.
- ENGWE will diagnose the problem and provide a solution if clear.
- For undiagnosable problems, ENGWE will send a troubleshooting file. Test according to the provided method and send back corresponding video or picture for a solution.
- ENGWE will verify order information and shipping address and re-issue appropriate accessories.
Contact Us
Telephone:
- +33 805980036 (EU) Working time: 9am to 6pm (GMT+1), Monday to Friday.
- +39 800776809 (EU) Working time: 9am to 6pm (GMT+1), Monday to Friday.
- +1 8442007117 (U.S.) Working time: 9 a.m. to 6 p.m. (8 p.m. PST), Monday to Friday.
Email:
Please email us at service@engwe-bikes.com. ENGWE usually replies within 1 working day.
Accessories Warranty Contents
| Accessory Name | Warranty Length | Warranty Content |
|---|---|---|
| chassis | 12 months | Natural deformation, welding defects, and detachment fractures caused by manufacturing issues are eligible for replacement. However, alterations made by the user or damages resulting from collisions are not covered under the warranty. |
| Fork assembly, handlebar, folding riser, saddle tube, tires | 12 months | No warranty for self-modification or collision damage. |
| tires | 1 month | The tire is punctured by a sharp object or damaged due to insufficient tire pressure, speed bumps, potholes, or similar reasons, resulting in tire issues. These situations are not covered under the warranty. Warranty claims are only applicable if the product is received with quality issues. |
| Saddles, plastic parts, brakes, discs, rims, brake cables | 3 months | |
| Foot braces, mudguards, rear rack, pedals, handlebar covers, cranks, discs, front hubs, rear hubs, chains, finger pivots, rear pivots, rear pivot covers, flywheels, shock absorbers, bells, horns, lugs, connecting rod pieces | 6 months | There is no warranty for parts collision damage, etc. There is no warranty for human damage, self-modification, or parts collision damage. |
| Electrical parts (Controller, charger, main/sub cable wires, gauges, front and rear brakes, throttle, brakes, power sensors) | 12 months | Short circuits, burnouts, performance failures due to poor manufacturing are replaceable. Water ingress, broken wires, worn brakes, and human damage are not warranted. |
| Headlamps, tail lamps | 6 months | |
| Motor parts (electrical machinery) | 12 months | Coils missing phase, burnt, magnet demagnetisation, falling off, axle deformation and other quality problems cannot be repaired. Due to insufficient tire pressure, over speed bumps, potholes and other reasons, resulting in wheel deformation will not be warranted. |
| Motor parts (Motor Hall, Motor Bearing) | 12 months | Burnt out halls, rattling or cracked bearings. |
| batteries (Battery Housing, Top Cover, Bottom Cover, Battery) | 12 months | Replacement is available due to faults such as poor contact, disconnection, no power storage, and capacity below 60%. (Note: the battery warranty period will not be recalculated; after replacement of the battery, the warranty period is based on the remaining date of the original warranty period). Water or man-made damage does not provide warranty replacement services. |
Disclaimer
Please carefully read the following before using this e-bike. This disclaimer outlines the rights, responsibilities, and limitations of your e-bike usage. By using this product, you agree to and accept the following terms and conditions:
- The company (manufacturer) is not liable for any accidents, losses, or damages arising from the use of this e-bike. The user assumes all risks and responsibilities.
- The user must comply with all local laws and regulations, including traffic rules, riding safety standards, and legal restrictions.
- The manufacturer is not responsible for malfunctions, accidents, or damages resulting from the user's failure to operate, maintain, or adjust the product according to the instruction manual, maintenance manual, or safety guidelines.
- The user may not dismantle, repair, or modify this product unless expressly authorized in writing by the manufacturer. Unauthorized alterations void the warranty and increase usage risks.
- This product may entail certain risks, including riding accidents, crashes, accidental collisions, or injuries. Users are responsible for their personal safety and must take appropriate safety measures.
- The warranty is limited to faults and defects specified by the manufacturer. Damage, wear and tear, normal fatigue, or problems caused by accidents, improper use, storage, or maintenance not covered by the warranty will not be covered.
- The manufacturer is not responsible for damage or loss of the product during logistics. Users should check packaging upon receipt and contact the manufacturer for any problems.
- Nothing in this disclaimer shall diminish the rights of the user under any applicable law.
Please read and understand this disclaimer carefully. If you do not agree with any terms, refrain from using this e-bike. If you have doubts, contact the manufacturer for clarification and guidance.
