Introduction
Welcome to the user manual for your NIU BQi-C3 Pro Electric Bike. This manual provides essential information for the safe operation, maintenance, and optimal performance of your e-bike. Please read it thoroughly before your first ride and keep it for future reference.
Коопсуздук эрежелери
- Минип баратканда ар дайым каска кийиңиз.
- Жергиликтүү жол кыймылынын эрежелери жана эрежелери менен таанышып алыңыз.
- Ар бир колдонуудан мурун, жол жүрүү алдында текшерүү жүргүзүп, тормоздорду, дөңгөлөктөрдү жана аккумуляторду текшериңиз.
- Айланаңыздан кабардар болуп, коргонууга өтүңүз.
- Avoid riding in adverse weather conditions if possible. If riding in rain, be aware that stopping distances will increase.
Маанилүү: Please ride carefully when riding in the rain or wet weather as you will need a longer distance to slow and stop. Please also ensure the battery compartments are sealed when outdoors, and avoid riding in puddles deeper than 2 inches.

The NIU BQi-C3 Pro is designed to be all-weather ready, with an IP45 water-resistant rating for the bike and IP67 for the battery, and IP65 for the motor. Built-in fenders help keep you clean and dry.
Компоненттер бүттүview
The NIU BQi-C3 Pro features a robust design with integrated components for a sleek and functional experience.

The BQi-C3 Pro features completely integrated dual batteries hidden within the frame, contributing to its clean, minimalist design.

Designed for a comfortable and safe riding experience, the BQi-C3 Pro features clean lines and a deep step-through frame suitable for riders of various sizes.

Key features include three riding modes, an adjustable handlebar for personalized comfort, adjustable seat height, and a lightweight, removable battery for convenience.

For enhanced safety, the bike is equipped with an integrated Halo light, a rear Tail Light, and responsive dual disc brakes.
Орнотуу жана чогултуу
Your NIU BQi-C3 Pro Electric Bike comes partially assembled. Follow these steps for final assembly:
- Бардык компоненттерди таңгактан чыгарып, бардык бөлүктөрү бар экенин текшериңиз.
- Attach the front wheel and secure it according to the instructions.
- Install the handlebars and adjust them to your preferred riding position.
- Insert the seat post and adjust the seat height.
- Биринчи сапарга чейин батареяны толук заряддаңыз.
Watch this official video for a visual guide on the assembly and key features of the NIU BQi-C3 Pro electric bike.
Батарея жана заряддоо
The BQi-C3 Pro features swappable dual batteries with a combined capacity of 920Wh, providing a range of up to 90 miles.

The swappable dual batteries are easily removable for convenient charging. At just over 12lbs, two spares can easily fit in a backpack or pannier (additional batteries sold separately).
Батареяны заряддоо үчүн:
- Ensure the bike is turned off.
- Locate the charging port on the battery or remove the battery for external charging.
- Connect the charger to the battery and then to a power outlet.
- Заряддоо индикатору кубаттоо абалын көрсөтөт.
- Толук заряддалгандан кийин заряддагычты ажыратыңыз.
The NIU ENERGY BMS system provides 14 types of protection for safe power management.

The NIU ENERGY BMS system ensures battery safety with comprehensive protections including overcharge, over-discharge, balance function, and temperature control.
Операция
The BQi-C3 Pro offers various modes for a customized riding experience.

Easily monitor your speed, distance traveled, trip time, and battery level on the bright 3.5-inch TFT display.
Айдоо режимдери
- дроссель режими: Педаль баспастан кубаттуулукту камсыз кылат.
- Педаль-жардам режими: Мотордун күчү менен педаль басуу аракетиңизди көбөйтөт.
- Кол режими: Ride like a traditional bicycle without motor assistance.
The video demonstrates the seamless transition between throttle mode and pedal-assist mode, highlighting the bike's versatility.
Техникалык тейлөө
Gates Carbon Drive
The BQi-C3 Pro is equipped with a state-of-the-art Gates Carbon Drive, offering superior durability compared to traditional chains. This system requires no lubrication.

The Gates Carbon Drive is designed for over 10,000 miles of use without the need for grease, providing a clean and low-maintenance experience.
Puncture-resistant Tires
The tires are reinforced with a 1.5mm layer of KEVLAR ARAMID FIBER for excellent puncture resistance.

The tires feature a KEVLAR ARAMID FIBER layer to significantly reduce the risk of punctures, ensuring a smoother ride.
Жалпы кам көрүү
- Regularly check tire pressure.
- Keep the bike clean, wiping down the frame and components.
- Store the bike in a dry, cool place away from direct sunlight.
Проблемаларды чечүү
If you encounter issues with your NIU BQi-C3 Pro, refer to the following common troubleshooting tips:
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Велосипед күйбөй жатат | Low battery, battery not properly seated | Charge battery, ensure battery is securely inserted. |
| Мотор жардам бербейт | Pedal-assist level too low, brake lever engaged, motor error | Increase pedal-assist level, check brake levers, restart bike. |
| Дисплей иштебейт | Loose connection, power issue | Check all cable connections, ensure battery is charged. |
For further assistance, please contact NIU customer support.
Техникалык шарттар
- Модел: NIU BQi-C3 Pro
- Батарея: UL Certified 48V 16Ah Lithium (768Wh) dual batteries, 920Wh total capacity
- Диапазон: 90 мильге чейин
- Мотор: 750W Rated Power, 45Nm starting torque
- Максималдуу ылдамдык: 28 MPH (Pedal-Assist Mode)
- Drive системасы: Gates Carbon Drive
- Шиналар: 26" Puncture-resistant with KEVLAR ARAMID FIBER
- Тормоздор: Алдыңкы жана арткы диск тормоздору
- Рамка материалы: Алюминий
- Суу каршылык: Bike IP45, Battery IP67, Motor IP65

The BQi-C3 Pro's swappable dual batteries offer a substantial 920Wh capacity, providing an extended range for longer rides.

Experience speeds of up to 28mph in Pedal-Assist Mode, making your commute or leisure rides efficient and enjoyable.

The powerful motor provides 45Nm of starting torque, 750W maximum power, and 500W rated power for strong acceleration and hill climbing.
Кепилдик жана колдоо
The most expensive parts of your NIU BQi-C3 Pro, the battery and motor, are covered by a 2 жылдык кепилдик.
For warranty claims, technical support, or any inquiries, please visit the official NIU webсайтка же кардарларды тейлөөгө кайрылыңыз.

NIU stands behind the quality of its products, offering a comprehensive 2-year warranty on the battery and motor.





