V&D Electric Bikes Go-Bike M4 User manual

Go-Bike M4
User Manual

Read First
Thank you for choosing the V&D Electric Bike’s Go-Bike M4 folding e-bike!
Please read this manual carefully before trying to ride the Go-Bike M4.
This manual will help you:
1. Understand the basic operation process of the product and the usage of its LED display;
2. Become familiar with safe riding principals so you can enjoy a safe, happy riding experience.
3. Study the product’s structure and learn how to properly maintain your M4 to keep it in peak
condition and at top performance.

Read First
01

Packing List
Items inside the carton include:
1.The Go-Bike M4 e-bike X1
2. Saddle and seat tube X1
3. User Guide X1
4. Charger adaptor X1
5. Battery lock key X2
Optional items may also be included, such as mudguards, rear light, bike basket, etc.
02

First Try
For beginners, a helmet, gloves, knee pads, elbow pads and other protective gear are
recommended while riding. This electric bike is designed for all-terrain riding on qualified
roads and surfaces, otherwise, potential injury and accidents may occur. Riding on
highways and interstates are prohibited.
03

Start immediately
1. Unfold and lock the bike frame
1) Hold the frame and unfold it. 2) Fasten the unfolded frame as pictured
above, but please follow steps 3) and 4)
below before locking it into place.
3) Press the folder lock to unfold the top
piece. Adjust limit screw if necessary.
4) Press folder lock,as shown in
Step 2).
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2. Unfold and Lock the Head/Neck Stem
1) TO LOCK: Hold the bike, unfold the
stem upright, and ensure it connects
seamless with base part below.
3) Shake the stem part to see if this folder
lock is firmly fastened.
O5
2) Fasten the stem folder lock upward.
4) TO UNLOCK: Press the folder lock
again to release and then unfold the
stem.

3. lnstall the Handlebar
1) Unfold the handlebar holder, and release
the quick lock screw clockwise.
3) Put handlebar inside holder (as pictured
above), fasten the holder and take the
screw out.
2) Put the nut and gasket aside, then
open the holder, but leave the screw
in place.
4) Install the nut and gasket again and
tighten them, then adjust handlebar
angle into position to finish
installation.
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4. lnstall the Seat Post
1) Loosen the seat post clamp and hold
the frame to install the saddle.
5. Adjust Saddle Height
1) Loosen the seat post clamp, place the
saddle at a suitable height and then
tighten theclamp.
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2) Tighten the seat post clamp (as
pictured). Then, press the saddle
downward to ensure it stays in place.
2) Ensure the seat post clamp is within
the screw limit and max height line;
otherwise, it could be unsafe.

6. Unfold/Fold the Pedals
1) Hold the M4 e-bike, unfold the pedal
(as pictured).
7.Turn on Power
1) Please charge the battery to activate it
before your first ride.
2) Fold the pedal(aspictured),
press inward, and then upward
2) Press and hold the “M”button on the
Display for 3 seconds to start power.
08

Other Operations: LED Display

Other Operations: LED Display
Uninstall / lnstall battery
1) Shut off the power first, then press the
folder lock to open folder (as pictured).
3) Uninstallbypulling outthebattery box
from the top of the tube (as pictured).
2) Turn and fold the bike frame, then
turn the battery lock with its key.
4) Install battery: Lock battery with key and
then remove key. Next, press the battery
handle inward, and unfold the bike frame.
10

Charge Power
Option 1: Uncover silicon lid to charge
from the charging port of the bike frame.
Option 2: Pull out the battery box to charge,
instead of moving the bike.
How to Push the M4 while Walking or Carrying It
11

Warning for Security
Riding on main roads or other places against
transportation regulations or laws is prohibited.
Riding on oily, wet or icy roads is prohibited.
Always ride with both hands holding the handlebar. Never ride the M4 on stairs or escalators.
12

Parameters (part 1)
Mechanical
Configuration
Color options
Black/Orange/Blue/White
Unfolded size
53”x22”x43” / 135x56x109 cm
Folded size
30”x17”x25” / 76x43x64 cm
Seat height (from ground)
30-36” / 76-92 cm (adjustable)
Brake system
Front and rear disc brake
Tire dimension
16 inch
Frame material
Magnesium unibody frame
Suspension
Rear spring shock absorber
Battery
specification
Battery installment
Built-in/
Anti-theft Lock/Detachable
Battery capacity
36V / 5.2Ah
Battery Type
Lithium ion battery
Battery weight
3-5 lbs
Charging current
2Amax
Charging hour
About 3-5 hours
Power consumption
0.2KWh per charge
Rated input
10-240V 50 / 60Hz 2.0A
Rated output
42V 2.0A
Battery lifespan
Over 800-900 times
Charging temperature
0 ° c - 45 ° c
13

Parameters (part 2)
Function
Parameters
Max speed
18-20 mph / 29-32 kmh
Max mileage
30 mi / 48 km
Max load
285 lbs/129 kg
Climbing angle
> 15°
Lighting
Front LED Light
Assistance Mode
Throttle / Pedal Assistance Option
Stopping distance
(dry condition)
5 mph (speed at 20 kmh)
Stopping distance
(wet condition)
10 mph (speed at 15 kmh)
Motor driven system
Full electric pedal assistance optional
Working temperature
-10 ° c - 50 ° c
Meter
Display
Full perspective LED display
Remaining power
Yes
Speed
Yes
Total mileage
Yes
Speed mode
3 modes (Low/Mid/High)
Motor
Rated voltage /Wattage
36 V / 250 W
Torque
12N·m
Waterproof level
IP54
14

Precautions
About Riding
1. To avoid accident and/or injury, make sure to wear a helmet, gloves, elbow pads, knee pads and
other protective gear when riding your M4.
2. Safety check: check your M4’s battery strength and e-bike conditions before riding,
3. Do not ride in slippery road conditions, especially on snowy, icy and wet roads.
4. Do not ride on slopes with over a 15° incline.
5. If you must ride when it is raining or snowing, travel on your M4 at a low speed and give yourself a
greater distance from the vehicle in front of you in case of emergency stops.
6. C hildren between 12 and 16 years of age are prohibited to ride the M4 without an adult's permission,
guidance and supervision.
7. Avoid sudden acceleration and deceleration; do not lean forwards or backwards while riding; and,
travel on your M4 at a safe speed depending upon road and weather conditions.
8. When the battery runs low while riding, keep your M4 at slower, constant speed and charge the
battery as soon as possible.
9. If a fall is inevitable, always put your own safety above protecting your M4.
10. In case of any emergencies, keep both of your hands on the handlebar while riding.
11. Do not store your bike in the trunk of your car in hot weather.
12. Fully understand the local traffic regulations and laws before you start riding your M4 on the road.
13. Be aware of your surroundings, riding in a safe, controlled way to avoid any collisions/accidents.
14. Keep a safe distance while riding along with other people; do not ride side by side on the road.
15. Avoid riding in dim environments. If necessary, turn on your M4’s headlight, be cautious and
either ride at a lower speed or walk beside your M4.
16. Donot ride backwards or in any other way that might endanger yourself and/or others.
17. Do not lend your bike to those who are not as familiar as you are with the M4 User Manual.
18. Do not ride if you do not feel well or are under the influence of drugs or alcohol.
19. Accelerate slowly while riding, as sudden acceleration may cause loss of balance and injury.
20. Check if your M4 brakes are working well before you ride.
15

Battery and Charging
1. Keep the battery dry and charge it between the temperature range of 0 ° c ~ 45 ° c and discharge
between -20 ° c ~ 60 ° c.
2. Keep the M4 battery away from acid, alkaline, water, flames, heating sources and high
temperature environments.
3. Do not misconnect the positive and negative power supply; do not damage, disassemble or
short-circuit the battery.
4. Charge the battery with the equipped adaptor and charger; charging time must not exceed
6 hours and the charging current must not exceed 2A.
5. If the battery will not be used for a long time, keep the battery in a dry, cool environment and be sure
to charge it for 2 hours every two months.
6. Charge the battery according to the User Manual requirements or else the warranty will be
voided and V&D Electric Bikes will not take responsibility for any damages incurred.
7. Charge in a dry, cool environment that is well ventilated; avoid storage areas with high temperature.
8. Unplug the charger immediately after the charging is complete; do not plug the charger into the
power source when it is not charging.
9. When beginning to charge, first plug the battery into the charger, and then plug the charger into
the AC power supply. To stop/discontinue charging, first unplug the charger from the AC power
source, and then unplug the battery from the charger.
10. If the battery light indicator is acting abnormally, or if either the battery or charger is producing an
odor and/or is overheating during charging, please stop charging immediately. Then, ensure you
replace the faulty item, whether it is the battery and/or charger, as soon as possible.
11. Keep the charger away from fluids while using and storing; avoid any penetration of thecharger,
which could cause short-circuiting.
12. T he charger should not be carried together with the M4. If it must be carried, the charger should
be placed in a separate box with shock absorption.
13. Avoid fully discharging the battery when using.
14. Do not disassemble or replace any parts of the charger yourself.
15. Do not put the battery in places where it may fall to the ground, because the fall may cause
battery leakage and over-heating, which could lead to a fire or explosion.
16

Maintenance and storage
1. W hen you finish riding, store your M4 in a cool, dry place with no direct sunlight and no rain.
2. Regularly check the screws and small parts on the M4, and tighten them whenneeded.
3. Do not use alcohol, gasoline, paraffin, acetone or other corrosive chemical solvents to clean the
M4, as these may seriously damage its surface, frame and internal structure.
Suggested Regular Maintenance & Check
Maintenance Part Maintenance Purpose
Brake
Check the brake function to prevent accidents caused by brake dysfunction
Tire
Check the tires’condition and pressure to avoid tires bursting or causing
higher battery power consumption during riding
Tire Rim
Check the rims’ condition; clean away dirt to avoid rims breaking or sticking
Shock
absorber
Check the shock absorbers’ condition; clean and lubricate as needed to keep
them in good working condition
Throttle
Check throttle’s condition to ensure proper performance and avoid dysfunction
or malfunctioning
Wires
Check to ensure wires’ports are not loose or broken to avoid faulty wiring
Screws
Check the M4 e-bike’s main screws, securing them to avoid screws becoming
loose or falling off
Battery
Check the appearance and performance of the battery to avoid faulty wiring
and extend the lifespan of the battery
Charger
Check if the charger cord’s input and output plugs are secure and reliable
Lubrication
Check the if the M4’s axles and brake lights need lubrication
Cleaning
After riding , wipe off the M4 gently with a soft cloth
Tip: Please maintain and check the bike regularly, to keep it in the best condition.
17

Troubleshooting
The Problem The Reason/Cause The Solution
Pedal assistance is
not working when the
M4 is turned on
No battery power or weak battery
power
1. Check if the battery is
installed correctly
2. Check if battery needs charging
M4 is not reaching
the maximum
distance/mileage
per charge
1. Battery is not fully charged
2. Tire pressure is low
3. Frequent braking or sudden
starts/stops
4. Exceeding maximum weight
load while riding
5. Battery has aged and is no
longer holding a full charge
6. Temperature is too cold or too
hot, causing battery attenuation
1. Check if the charger is working
properly
2. Check tire pressure for proper
inflation before riding
3. Use proper, recommended riding
habits as described in the User
Manual
4. Contact V&D Electric Bikes After-
Sales S ervice dept. for assistance
and/or battery replacement
Battery cannot be
charged
1. Charger is not plugged in
correctly to power source or the
plug is loose
2. Battery temperature is too low or
too high
1. Ensure the charger is plugged in
securely into the power source
2. Move the battery to a location
that is not too hot or cold
Display not working
1. There is no battery power
2. The charger adaptor is faulty
3. The battery meter is faulty
1.Check the battery’s condition
2. Contact V&D Electric Bikes After-
Sales S ervice dept. for assistance
The motor does not
workwhen M4 is
powered on
1.Brake is not working properly
2. The meter is faulty
1. Check the brakes
2. Contact V&D Electric Bikes After-
Sales S ervice dept. for assistance
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