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This manual includes important safety performance and service information. Please make sure you have read the 

     following warnings before the first time you use our product.
a) If you lend your electric bicycle to other people, please let the user read this manual, it could be helpful to decrease the risk of accident.

 

b) Please wear the suitable and safe helmet before riding, please wear the clothes with fluorescent and reflective stripes  when you ride 

    at night. Don’t  exceed speed limit, it is a main reason of traffic accident, we should abide by the traffic rules.
c) Don’t     touch the charging hole on the bike, or use metal touch it, otherwise, it will cause short circuit.
d) Zero starting, frequent braking, riding against the wind, carry people or anything when tire pressure is insufficient, insufficient air 

      pressure on the tires. all of these  will consume much electric energy, and then reduce the endurance mileage. if you want to achieve

      the longest endurance mileage: 

     1.power assist mode. 

     2.For your safety, please don’t brake frequently or use zero starting. 

     3. Don’t overload.

     4. Before riding, please check the pressure of the tire, and supply enough pressure.
e) Our Ebike should avoid prolonged exposure to the sun or rain , avoid storage in places with high temperature or corrosive gas,so as to

    avoid electroplating parts and paint surface by chemical corrosion and electrical parts damage, resulting in operational failure and 

    accidents.
f)  Our e-bike should avoid long-term exposure to sunlight or rain, and avoid storing them in places with high temperature or corrosive gas, 

     so as not to avoiding chemical corrosion and electrical component damage to electroplated parts and painted surfaces, which may lead 

     to operational failure and accident.
g) When the electric bicycle is not used for a long time, please turn off the main switch in time and charge it . Keep the battery fully 

     charged, please don’t store the battery when power off to avoid severe power failure.
h) Your current insurance business may not cover the situation you may encounter when riding a electric bike, please contact  your

    insurance company or insurance broker for relevant consultation.
i) According to the law, people must reach the age of 16 to ride e-bike or three-wheeled electric bike.  If you use this  product in other 

    countries, please refer to the local laws and regulations.
j) Bicycles are vehicles with certain risk fact factor , please be sure to abide by the traffic rules. At the same time, When emergency braking, 

    brake the rear wheel firstly then the front wheel if cycling speed is too high. If the front wheel is suddenly braked, you may fall over, 

    please ride carefully.

1.Note

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Summary of Contents for LAOTIE D4s Pro

Page 1: ...D4s Pro Electric Bike User Manual Made in China...

Page 2: ...D4s Pro Electric Bicycle Catalogue 1 Note 2 Instruction Illustration 3 Installation Instruction 4 Folding instructions 5 Speci cations 2...

Page 3: ...ge in places with high temperature or corrosive gas so as to avoid electroplating parts and paint surface by chemical corrosion and electrical parts damage resulting in operational failure and acciden...

Page 4: ...5 16 17 19 18 10 1 Seat tube 2 Quick lock 3 Brake disc 4 Motor 5 Valve 6 Folding system 7 Battery box 8 Charge port 9 Controller box 10 Chain 11 Chain wheel 12 Pedal 13 Crank 14 Handle bar 15 Quick lo...

Page 5: ...Speed 11 Electric assist gear 12 Use mileage Note After the car is stationary it does not run for 10 minutes to enter the sleep mode and automatically shut down 14 15 L R 16 R Use a 15mm open spanner...

Page 6: ...an the tick mark Adjusting the handle 1 Unfold the frame lock the frame folding handle and lock the frame folder safety clasp 2 Fold the riser to the upper end lock the riser folding handle adjust the...

Page 7: ...uick lock Step 3 Open the Seat Tube quick lock decentralized seats as well as locking the quick lock Note Both the Rise and the Seat Tube are marked with a safe MAX or MIN For safety reasons please us...

Page 8: ...25km h Maximum Range Power assisted models up to 90KM Battery High quality lion battery 36V 11 6Ah Battery adaptation DC 42V 2A Recharge Time 7 hours Display LCE Display Drive Type Rear Drive Frame M...

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