EG Vienna 250 EX Owner'S Manual Download Page 3

head screw driver to slowly pry it open.

9.

A front lamp is installed on your EG Vienna folding bicycle. To run this lamp, simply switch
it on all the way and the movement of the front wheel will power your lamp. Your front 
reflector is integrated into this lamp.

10.

! WARNING: Be sure the main Li-on battery is installed properly before riding the bicycle. 
If the Battery is installed wrongly, it may damage the battery case railing or cause the 
battery to fall off the bike.

11.

! WARNING: Do NOT sit on, place anything or tie anything to the battery while installed 
on the bike under any circumstances. Doing so can damage the battery holder.

12.

Install the Main Li-ion battery. Ensure both side rails and the spade piece of the metal 
holder are totally inserted into the battery on the underside. Then, lock in the battery in 
place with the key. 

13.

! WARNING: Before riding ensure the battery has been installed properly by inspecting 
the mount from the bottom to ensure there is no gap between the holder and the battery.

How to Fold the Bicycle

1.

First make sure your saddle and the handle bars are lowered.

2.

To fold the handlebar stem, lift the quick release and move it all the way down to unhook 
the stem.

3.

! WARNING: if your pedals don’t fold easily do not force them to do so, or you will risk 
breaking the pedals. 

4.

Next fold, the pedals, by gently pressing in the pedals horizontally and then they will 
effortlessly fold into their natural vertical position.

5.

To fold the frame of the bike, unhook the quick release, and bring the quick release lever 
all the way towards the back of the bike. Next, gently lift the quick release upward to 
unhook the quick release. Bend the frame to fold it.

OPERATION INSTRUCTIONS

How to operate the Electric Bicycle

The Electric bicycle can be operated in 3 different modes:

1. Manual Mode –

Place the operation switch to the left on the handle bar in the middle position, and ride
the bicycle normally as you would any bicycle.

In this mode it is not necessary to insert the key or turn on the electric controller.

2a. Power Assist Mode “S” (Standard Mode) –

Place the key in the lock/switch and turn the key clockwise to the right most position.

Place the operation switch to the left of the handle bar in “S” position, and then ride 
the bicycle normally as you would any bicycle. 

In this mode, the motor will assist you with full power as you pedal the bicycle. 

The motor will stop when you stop peddling in this mode.

This mode saves moderate amount of battery power.

This mode gives you a moderate “miles per charge” and is considered a balanced 
mode in terms of energy usage vs. distance.

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Summary of Contents for Vienna 250 EX

Page 1: ...ructions 3 How to operate the Electric Bicycle 3 How to read the Battery Meters and about the Li on Battery 4 Care Instructions 5 Battery 5 Storage Maintenance and Transport 5 Battery 5 Charger 6 Char...

Page 2: ...way to the front of the bike Then securing the quick release 4 Unfold the Handle stem where the handlebar fits into section of the bike Then bring the quick release over to the top portion of the bike...

Page 3: ...WARNING if your pedals don t fold easily do not force them to do so or you will risk breaking the pedals 4 Next fold the pedals by gently pressing in the pedals horizontally and then they will effortl...

Page 4: ...is now a standard safety feature on all our electric bikes from here on out It functions as a kill switch for the throttle grip Pressing it the first time will disable the throttle grip and pressing...

Page 5: ...place any object on or over the battery Use only the supplied charger to charge the battery Battery capacity 10Ah Battery and Motor Voltage 24V Charge temperature range 0 45 Discharge temperature ran...

Page 6: ...r plug or un plug the charger with a wet hand Do not use the charger during a lightning storm Use only the supplied charger to re charge the battery Do not operate the charger in an unstable dusty or...

Page 7: ...the part Make sure any replacement fasteners are of the correct type and size If your own a bike with an aluminum frame inspect the bicycle frame carefully and frequently as Aluminum frames can devel...

Page 8: ...ifying the bike in any way will void your Warranty The instructions below are written only for the maintenance or repair of the bike 2 To detach the rear wheel first unhook the connector near the rear...

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