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1) Do not operate the e-bike before reading this user manual thoroughly. The manufacturer will not be 
held responsible for any damage or accident due to improper use.
2) For your safety and others please follow the traffic regulations. This bicycle is not suitable for children 
under thirteen and the disabled. This e-bike is not recommended for competition, stunts or off-road riding.
3) Do not lubricate the brakes.
4) The braking length of a dry state surface/road  is 4 meters at 25km/h, while 15 meters in wet state. So, 
move slowly, keep a safe distance from other vehicles/objects around you and brake in  advance where 
necessary while riding downhill and in rain, snow & wet road.
5) To ensure your safety please use helmets, check brakes & tyres, handlebars and rims before riding.
6) Maximum rider weight: 115 Kg.
    Maximum carrier weight: 15 Kg.

7) Improper use could cause harm, please check the connection of the frame, stem and suspension 
periodically. Every mechanical part has friction and pressure. Different materials and parts have different 
frictions and pressures. If a mechanical part has exceeded its service life, resultant damage could hurt the 
user. 
8) Do not ride in water where the depth exceeds the controller. The motor or directly flush water to 
electrical components.
9) Avoid prolonged exposure to the sun or rain and exposure to humid places. Aggressive gases may 
cause parts to corrode or electrical parts to fail. This can lead to malfunctioning or accidents.
10) This product contains advanced electrical components built in to the structure. Please do not 
disassemble or modify any part of it.
11) The performance and mileage of the unit will be varied depending on the battery condition, 

temperature, terrain, wind speed, tyre pressure, rider weight and the maintenance, etc. To get the best 
mileage we propose that:
(1). Ride for 3-5m in power mode when starting.
(2). Try to reduce frequent braking or restarts.
(3). Ride in PAS mode while on uneven road conditions, uphill or headwind.
(4). Avoid carrying people or overloading
(5). Check the tyres before riding to ensure they have the correct pressure.

User Security

Regular check’s for safety before riding

1) Check if the handlebar stem and saddle post are safely inserted. Take note of the maximum height 
markings (MIN. INSERTION) on the tube.
2) Check the brake shoes for excess wear. If there is wear, you should replace them before riding.
3) Check if the nuts on the front and rear axis are securely fixed.
4) Check the pedals and other fixtures for any signs of damage. Check if the rotary parts move freely.
5) Check the tyre pressure in accordance with the markings and check for ample treads on the tyre. If they 
are excessively worn replace them immediately.
6) Make sure that you know how to operate the e-bike and clearly know all the traffic regulations.
7) Check if the brake and the power function are working well.
(1). Stand the bike on the kickstand, switch to the electric mode and then slowly turn the throttle. If the 
motor does not work, then the kickstand can cut the power efficiently.
(2). Close the kickstand, switch to the electric mode and then apply the brake. If the motor does not work, 
then the brake can cut the power efficiently.
9) Check if the grip throttle functions well. Check if it goes back into place immediately after releasing it.
10) Check all electrical connections and mechanical parts are securely locked, check all cables, connector 
plugs and sockets must be dry and undamaged.

Summary of Contents for City Zoom

Page 1: ... advice THIS MANUAL SHOULD BE READ BEFORE OPERATINGTHE BICYCLE Saddle Post Saddle Front bag Mudguard Derailleur Pedal Handle Bars Fork Crank Chain Rim Motor www bicycles4u com Handle Bars Saddle Derailleur Crank Saddle Post Chain Pedal Mudguard Rim Battery Fork Frame Handle Bars Stem Handle Bars Stem ...

Page 2: ... and mileage of the unit will be varied depending on the battery condition temperature terrain wind speed tyre pressure rider weight and the maintenance etc To get the best mileage we propose that 1 Ride for 3 5m in power mode when starting 2 Try to reduce frequent braking or restarts 3 Ride in PAS mode while on uneven road conditions uphill or headwind 4 Avoid carrying people or overloading 5 Che...

Page 3: ...will have a top speed of 25km h 6 To turn the power off close the power switch No battery indicator lights should be on How to Remove the Battery 1 2 Remove the battery from the frame 1 Push the battery into the frame 2 Use the key to lock the battery Unlock the battery using the key How to Replace the Battery 1 Use the power switch which is located on the side of the battery to turn the power ON ...

Page 4: ...prevent shocks or shorting Only use the charger provided to charge the battery Do not disassemble or modify the battery Do not expose the battery to fire or extreme temperatures Do not allow impact or force against the battery pack Pull out the power plug first and then the charger plug after charging Connecting the power plug and the power source for a long time while not charging is not recommen...

Page 5: ...taneously 5 Finished Steps to fold the bike Steps to unfold the bike Turn the power ON Use the power switch to turn the power on The remaining battery power is displayed on the panel after turning the power on Power cut during braking To ensure the rider s safety the motor will stop working when braking and restart after the brake lever is released Riding Test each of the functions before riding t...

Page 6: ...lure Have a professional fix or replace it Poor tyre pressure Pump up the tyre to its correct pressure Poor travelling range after each charging Insufficient charge Fully charge the battery Battery aging Replace with a new battery case Poor road conditions slopes headwinds and frequent use of the brakes Change the power mode Battery failure Replace battery Abnormal long charging time Battery aging...

Page 7: ...se 2 squirts from oil can Disassemble Yearly Bottom Bracket Pedals Derailleur Cables Wheel Bearings Headset Seat Post Lithium Based Grease Lithium Based Grease Lithium Based Grease Lithium Based Grease Lithium Based Grease Lithium Based Grease Disassemble Disassemble Disassemble Disassemble Disassemble Disassemble Lubrication Chain The chain must be regularly especially after riding in the rain lu...

Page 8: ...s until the brake shows are centered to the rim Through tightening of the screws the spring will be prestressed and the brake shoe will move away from the rim Warranty When does the warranty not apply When the bicycle is used negligently or has damage resulting from a traffic accident Normal wear and tear Poor maintenance or modifications that no longer complies with regulations or original specif...

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