NIUBILITY B-20 Electric Bicycle User Manual

NIUBILITY B-20 Electric Bicycle

Important Note

• This manual include important safety performance information and service information. Please make sure you have read the following warning content before the first time you use our product..
• If you borrow your electric bicycle to other people, please let the user read this manual, it could help to decrease the risk of accident.
• Please wear a 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 rule, we shouldn’t exceed the speed limit.
• Don’t touch the charging hole on the bike, or use metal touch it, otherwise,the accident will be caused by the transient short circuit of the current.
• Zero starting, braking frequent, driving against the wind, carrying people or anything, insufficient air pressure on the tires. All of these will use much electric energy, and then reduce the endurance mileage. If you want the best endurance mileage, please do something as follows:
  • please use assist mode.
  • on the premise of safety, don’t brake frequently or use zero starting.
  • Don’t overload.
  • Before riding, please check the pressure of the tire, and supply enough pressure.
• 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.
• When charging the electric bicycle, please make sure that there is no foreign matter in the charging port. Connect the charger to the bicycle first, then connect the AC power to prevent sparking.
• When the electric bicycle is not used for a long time, please turn off the main switch in time and charge it in time. Store the battery fully charged, don’t store it in case of power loss, so as to avoid serious power loss of battery.
• 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.
• According to the law in China, riding an electric bicycle or a three-wheeled Electric bike must reach the age of 16. If you use this product in other countries, please refer to the local laws and regulations.
• 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 first, then brake the front wheel, when cycling speed is too fast. There is a danger of tipping over if you brake the front wheel suddenly, please ride carefully .

Product components

1. Saddle
2. Seat tube
3. Battery box
4. Charge port
5. Valve
6. Mudguard
7. Controller box
8. Front Fork
9. Reflector
10. Brake disc
11. Motor
12. Rear derailleur
13. Quick lock
14. Folding system
15. Chain
16. Chain wheel
17. Crank
18. Pedal
19. Handle bar
20. Quick lock
21. Stem
22. Headlight

FEATURE

1. Brake power off system
2. Light button
3. horn button
4. Shifter
5. Quick-lock
6. Assistance Gears light
7. Power light
8. Assistance Gears
9. Power on/off button(Long press on or off)
10. Assistance Gears
11. Speed handlebar
12. Bell
13. Battery charging port(The charging port is located on the left side of the controller box.)

(Note: After the car is stationary, it does not run for 10 minutes to enter the sleep mode and automatically shut down) Use a 15mm open spanner to clamp the pedal shaft core and tighten it in the direction of the arrow (left counterclockwise, right clockwise, as shown)(Note: When installing the pedal, be aware of the left and right, align the installation horizontally to prevent the pedal or crank slip)

Unfolding instructions

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 riser safety hook to the tightening state,and adjust the position of the T handle.
3. Open the clip on the seat tube clamp and insert the seat tube into the position within the marking line on the seat tube. Adjust the seat to a comfortable height according to individual needs, and fasten the seat tube clip.
4. Please confirm the following items before riding: frame lock, standpipe lock, and seat tube lock are locked.
5. The Brake system is normal. The tires are adequately inflated. All these are important for safe and comfortable riding.

Folding instructions

• Step 1. Open the quick lock on the head end, to let the handle be perpendicular to the care frame.

• Step 2. Open the quick lock on the Stem, lower the riser,as well as locking the quick lock.

• Step 3. Open the Seat Tube quick-lock, decentralized seats, as well as locking the quick the quick
  Note: Both the Rise and the Seat Tube are marked with a safe (MAX or MIN). For safety reasons, please use them in a safe range.

• Step 4. Turn the buckle on the Standpipe clockwise and pull down the fold and fold down the front.

• Step 5. Open the frame holder of the fuse buckle, pull the fold, and the frame.

Product parameters

• The above data allow for 5% manufacturing tolerances.
• After receiving the goods, there may be some differences between individual accessories and display drawings, which are different due to the different batches, and do not affect the use.

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