DYU SMART ELECTRIC BIKE S2 INSTRUCTION

INSTRUCTIONS FOR THE USE OF SMART MINI EBIKES

Parts List:

• 1. Gear Shift
• 2. Dashboard
• 3. Brake handle
• 4. Handle bar
• 5. Light Switch
• 6. Vertical pole
• 7. Folding buckle
• 8. Pole Head (where the bike ID code was engraved)
• 9. Front light
• 10. Front fork
• 11. Tire
• 12. Front hub
• 13. Disc brake plate
• 14. Disc brake device
• 15. Front fender
• 16. Battery case (unremovable)
• 17. Pedal
• 18. Chain Crank
• 19. Chain Wheel
• 20. Chain
• 21. Stand
• 22. Back fender
• 23. Back light
• 24. Seat Cushion

Note: Due to the company's product upgrade, some details of the product you get may be different from this picture, but it will not affect your normal use.

Parts Included:

• Pedals x2
• Charger x1
• Manual x1
• Allen wrenches x2
• Hex wrench x1

Folding Picture:

1. Before folding

2. After folding

Install the pedals:

Right foot pedal: rotate clockwise to install

Left foot pedal: rotate counterclockwise to install

FUNCTION INTRODUCTION

1. Handlebar Installation: After unpacking, straighten and release the quick-release handle. Adjust the horizontal handle to the appropriate direction, then press the quick-release. Gently hold the brake lever a few times, and use it after the brake line returns to the best state. Then install the foot pedal.
2. Charging: Connect the charger and start charging. When the charger indicator light changes from red to yellow-green, continue charging for one hour more.
3. Switch on: Press the power switch to turn on.
4. Switch off: Press the power switch to turn off. The dashboard will not work after switching off.
5. Power indicator: There are four levels of power indicator on the meter, corresponding to high, medium, and low power.
6. Horn: Switch on the left side of the handlebar. Press the horn button; the horn starts to sound. It is recommended to click. If you continue to press the horn button, it will stop automatically after 10 seconds. Please release it before using it again.
7. Headlight: ON/OFF on the left side of the handlebar is the light switch.
8. Brakes and back light: The brakes cannot be accelerated when they are not fully rebound. The night running lights and front lights are switched synchronously. The brake lights are bright when braking.
9. Electric and power-assisted: The maximum design speed of electric is 25km/h (default value). Load, road conditions, and power state affect speed. Hold the brake, turn the throttle to the end, and then turn on to switch the maximum speed limit (20/25 km/h), single gear boost.
10. Cruise at fixed speed: During electric driving, turn the accelerator and hold for 5-8 seconds, then release. You can drive at a constant speed. Turn the accelerator or brake again to cancel the cruise.

Component Locations:

DC2.1 Charging port

Light switch, Dashboard, Horn, Power Switch, Full handle Throttle

PRODUCT PARAMETERS

Product Dimension

Performance parameters

Accessories parameters

Features

Remarks: Electricity, load, tire pressure, road environment, chain and axle shaft lubrication will affect the maximum speed; the continuation mileage is at 25°, load 60 kg, speed 15~20km/h, smooth hard surface, from fully charged The battery is completely depleted and measured by continuous testing; factors such as driving habits, temperature, load, tire pressure, and road environment will affect the mileage.

CIRCUIT SCHEMATIC

The circuit schematic illustrates the connections between the battery pack, motor, controller, booster, anti-theft device, and various components like the dashboard, lights, and horn.

PRECAUTIONS

Battery and charging:

• Charge at 0°~ 45°, discharge at -10°~ 45°. Keep the battery dry.
• Do not reverse the negative pole. Do not destroy, disassemble, or short-circuit the battery.
• Use only the original special charger. Do not use other chargers. Do not exceed 6 hours of charging. Charging current should not exceed 2A.
• When not in use for a long time, keep the battery in a cool, dry place and charge it for two hours every month.
• Follow instructions for charging; consequences of misuse are at your own risk.
• Pay attention to battery type and voltage. Do not mix chargers.
• Charge in a ventilated environment. Do not charge in confined spaces or high-temperature environments.
• When charging, insert the battery first, then connect to AC power. After charging, disconnect AC power first, then pull out the battery plug.
• Disconnect AC power when the green light is on. Do not connect the charger to AC power without load for extended periods without charging.
• If the indicator is abnormal, there is an odor, or the charger case is overheated, stop charging immediately and repair or replace the charger.
• Used batteries are hazardous chemicals. Do not dismantle them without authorization. Recycle through professional departments.
• Avoid foreign objects entering the battery or charger, especially water or other liquids, to prevent short circuits.
• Do not carry the charger with the vehicle unless necessary. If carried, place it in a toolbox with shock absorption.
• Do not disassemble or replace charger components.

Riding:

• Read and understand the instructions before use.
• Do not lend the product to inexperienced individuals.
• Wear a safety helmet and obey traffic rules. Do not ride on motor vehicle lanes or crowded pedestrian areas.
• Carry passengers or articles according to regulations. Do not park in building entrances, evacuation stairs, walkways, or safe exits.
• Do not charge or park in residential buildings. Keep away from combustible materials when charging. Do not overcharge.
• Drive on the right in non-motorized lanes. When going downhill or on paved roads, do not exceed 15km/h. Drive on the right when there are no non-motorized lanes.
• Be careful not to expose the safety line marks of the stem and saddle tube when adjusting the handlebar or saddle.
• Before riding, check brake function, handlebar and wheel tightness, and reflector condition.
• Avoid strong impacts when using the motor and keep the shaft lubricated.
• Do not exceed the maximum load capacity (120KG).
• Braking distance increases in rain or snow; slow down accordingly. Avoid riding in bad weather like heavy rain.
• One-handed riding is prohibited. Suitable for ages 16-45. Persons under 16 are strictly prohibited from riding electric bicycles on roads.

Maintenance and maintenance:

• Ensure front and rear wheels are centered in the fork or frame.
• Store the bike in a place free of sunlight and rain after riding.
• Do not rinse with water; use a semi-dry cloth to wipe the body.
• Regularly check the motor and brakes. Do not fill brakes with oil.
• Regularly check and tighten screws. Recommended torque: 60-80 kgf.cm for horizontal screws, 175-200 kgf.cm for vertical screws, 175-250 kgf.cm for seat cushion screws, 320-450 kgf.cm for wheel screws.
• Regularly check and adjust chain tension.
• Check tires for scars, cracks, or excessive wear. Ensure inner tube and valve are perpendicular to the hub.
• Replace damaged or excessively worn tires immediately. Seek professional help for tire repair or replacement.
• Do not modify key structural parts or electrical components like the frame, front fork, or vertical tube. Replace damaged parts with original accessories to maintain warranty.
• Any loss or damage caused by modification is at your own risk.

Responsibility statement

• F-Wheel reserves the right to modify product models, specifications, or related information and their final interpretation.
• Functions described are applicable only to the specific models mentioned.
• Product information is subject to change without prior notice.
• Copying, modifying, reprinting, disseminating, or publishing manual content without prior written permission is prohibited.
• Read the user manual carefully before use. F-Wheel is not responsible for product damage due to improper use or errors, or for personal and property losses.
• For product-related information, visit the official website: www.fwheel.cc

Contact Information

DYU Official Store Facebook Page Code

Manufacturer: Shenzhen DYU Intelligent Mobility Technology Co., Ltd

Website: www.dyucycle.com