1. Введение
This manual provides essential information for the safe and efficient operation, assembly, and maintenance of your COSWHEEL GT20 Electric Bike. Please read this manual thoroughly before your first ride and retain it for future reference. Proper understanding and adherence to these instructions will ensure optimal performance and longevity of your electric bike.
The COSWHEEL GT20 is an electric bike designed for adults, featuring a powerful 1000W brushless motor, a 48V/25Ah removable battery, and 20" x 4.0 fat tires, making it suitable for various terrains including roads, mountains, and sand.
2. Информация по технике безопасности
Always prioritize safety when operating your electric bike.
- Всегда надевайте шлем и соответствующее защитное снаряжение.
- Ознакомьтесь с местными правилами дорожного движения и правилами, касающимися электровелосипедов.
- Перед каждой поездкой проводите предрейсовый осмотр, проверяя тормоза, шины, аккумулятор и освещение.
- Не управляйте велосипедом, находясь под воздействием алкоголя или наркотиков.
- Перед поездкой убедитесь, что аккумулятор надежно зафиксирован.
- Избегайте езды в экстремальных погодных условиях или по чрезмерно скользким поверхностям.
- Соблюдайте безопасную дистанцию от других транспортных средств и пешеходов.
- The maximum safe load for the bike is 120KG (150KG absolute maximum).
3. Распаковка и сборка
Your COSWHEEL GT20 Electric Bike comes 85% pre-assembled. The remaining assembly steps are straightforward and can be completed with the included tools and user manual. An installation tutorial video is also available for guidance.
3.1. Включенные компоненты
После распаковки убедитесь в наличии всех компонентов:
- GT20-25AH Ebike x 1
- Сумка для инструментов х 1
- Fender x 2
- Зарядное устройство x 1
- Руководство пользователя х 1
3.2. Assembly Steps (Overview)
- Аккуратно извлеките велосипед и все его компоненты из упаковки.
- Attach the front wheel and secure it properly.
- Установите руль, убедившись, что он выровнен и надежно затянут.
- Attach the pedals (note left and right pedal orientation).
- Install the seat post and adjust the seat height.
- Mount the fenders.
- Perform a final check of all bolts and quick releases to ensure they are securely fastened.
For detailed assembly instructions, refer to the included user manual and the official installation tutorial video.

Image: The COSWHEEL GT20 Electric Bike, showcasing его общий дизайн и компоненты.
4. Ключевые компоненты вышеview
4.1. Мотор
The GT20 is equipped with a powerful 1000W brushless motor (peak 1500W) delivering 80N.M torque. This motor provides strong power and climbing capabilities, allowing the bike to handle various terrains and inclines with ease.

Изображение: подробное view of the 1500W peak powerful brushless motor, highlighting its robust design and specifications.
4.2. Аккумулятор
The bike features a high-capacity 48V/25Ah 18650 Lithium-ion battery with a BMS system, ensuring stable and strong output. The battery is removable for convenient charging and enhanced security. A full charge takes approximately 3.5-8 hours.

Image: Visual representation of the 48V 25Ah removable lithium battery, detailing its capacity and charging modes.
4.3. Шины
The GT20 is equipped with 20" x 4.0" fat tires (All Terrain, Directional Tread, High-Density). These tires offer high wear resistance, superior grip, and reduced rolling friction, providing stability and protection across various road and weather conditions, including snow, mountain, sand, beach, and city roads.

Image: The COSWHEEL GT20 with its 20" x 4" fat tires, demonstrating its capability to adapt to diverse terrains.
4.4. Тормозная система
The bike features an efficient hydraulic disc braking system on both the front and rear wheels. This system ensures timely and powerful braking, allowing for quick stops even during high-speed emergency situations, enhancing rider control and safety.
4.5. Подвеска
Equipped with automotive-grade dual shock absorbers, including an aluminum alloy shock absorber front fork and a rear shock absorber, the GT20 provides a comfortable and stable off-road riding experience by effectively absorbing bumps and vibrations.

Изображение: подробное view of the dual shock absorbers, highlighting the front fork and rear suspension for enhanced ride comfort.
4.6. Display and Lights
A large-sized LCD display provides essential information such as speed, headlight status, and fault codes. The bike also includes a classic angel eye headlight, front and rear turn signal lights, and a highlight LED rear brake light for improved visibility and safety.
4.7. Трансмиссия
The COSWHEEL GT20 features a Shimano 7-speed gear system, allowing for sensitive shifting and labor-saving riding, even without electric assistance.

Image: An infographic illustrating various features including the Shimano 7-speed derailleur, IP65 waterproof rating, comfortable cushion, LED rear light, and intelligent controller.
5. Инструкция по эксплуатации
5.1. Включение и выключение
To power on the bike, press and hold the power button on the LCD display. To power off, press and hold the power button again until the display turns off.
5.2. Режимы езды
The COSWHEEL GT20 offers three distinct riding modes:
- Режим велосипеда: Operate the bike like a traditional bicycle, using only pedal power without electric assistance.
- Режим помощи при педалировании: The motor provides assistance as you pedal. The level of assistance can typically be adjusted via the display. This mode helps extend your range and reduce effort.
- Электрический режим: Twist the throttle to engage the motor and propel the bike without pedaling. The maximum speed in this mode can reach 31MPH.

Image: Visual explanation of the three riding modes: Bike Mode, Pedal Assist Mode, and Electric Mode.
5.3. Переключение передач
Use the Shimano 7-speed gear shifter to adjust your pedaling resistance according to terrain and desired speed. Shift gears smoothly to avoid strain on the drivetrain.
5.4. Зарядка аккумулятора
The 48V/25Ah battery can be charged in two ways:
- Прямая зарядка: Plug the charger directly into the charging port on the bike while the battery is installed.
- Unlock and Remove: Unlock the battery pack, remove it from the bike, and charge it separately. This is convenient for charging indoors or in secure locations.
Always use the original charger provided with your COSWHEEL GT20. Do not use damaged chargers or attempt to charge with non-compatible devices.
6. Техническое обслуживание
Regular maintenance is crucial for the safety, performance, and longevity of your electric bike.
6.1. Общий уход
- Содержите велосипед в чистоте. Регулярно протирайте раму и компоненты с помощью рекламного материала.amp Ткань. Избегайте попадания воды под высоким давлением непосредственно на электрические компоненты.
- Храните велосипед в сухом, прохладном месте, вдали от прямых солнечных лучей и экстремальных температур.
- Check all bolts and fasteners periodically for tightness.
6.2. Шины
- Регулярно проверяйте давление в шинах и накачивайте их до рекомендуемого значения PSI (указано на боковине шины).
- Перед каждой поездкой проверяйте шины на предмет износа, порезов и проколов.
6.3. Тормоза
- Test brakes before each ride to ensure proper function.
- Проверьте тормозные колодки на износ и замените их при необходимости.
- Ensure brake levers are firm and responsive.
6.4. Уход за аккумулятором
- Charge the battery regularly, even if the bike is not in use, to maintain its health. Avoid fully discharging the battery.
- Не подвергайте аккумулятор воздействию экстремальных температур и холода.
- If storing the bike for an extended period, charge the battery to 50-70% and store it in a cool, dry place.
7. Поиск Неисправностей
This section addresses common issues you might encounter with your COSWHEEL GT20 Electric Bike.
7.1. LCD Display Error Codes
The LCD display may show fault codes if an issue is detected. Refer to the detailed user manual for a list of specific error codes and their corresponding troubleshooting steps. Common issues often relate to motor, battery, or controller connections.
7.2. Нет питания
- Check if the battery is fully charged and properly inserted/locked.
- Убедитесь, что все электрические соединения надежны.
- Verify the power button on the display is functioning.
7.3. Motor Not Assisting
- Confirm the bike is in Pedal-Assist or Electric Mode.
- Проверьте уровень заряда батареи.
- Inspect the throttle and pedal-assist sensor connections.
7.4 Проблемы с торможением
- Check brake pad wear.
- Inspect brake cables/hoses for damage or leaks (for hydraulic brakes).
- Ensure brake levers are properly adjusted.
If you encounter persistent issues or are unsure about a repair, please contact COSWHEEL customer service for professional technical guidance.
8. Технические характеристики
| Особенность | Спецификация |
|---|---|
| Название модели | ГТ20 |
| Номер модели товара | GT20-25AH |
| Тип велосипеда | Electric Bike, Electric Motorcycle, Electric Dirt Bike, Electric Mountain Bike, Commuting EBike, Fat Tire Electric Bike |
| Возрастной диапазон (Описание) | Взрослый |
| Бренд | КОЛЕСО |
| Мощность двигателя | Rated 1000W, Peak 1500W Brushless Motor |
| Крутящий момент двигателя | 80Н.М. |
| Тип батареи | 48V/25Ah 18650 Lithium-ion (Removable) |
| Энергосодержание литиевой батареи | 1.2 киловатт-часов |
| Время зарядки | 3.5-8 часа |
| Диапазон на одной зарядке | 50-93 Miles (83-93 Miles PAS Mode, 55-62 Miles Electric Mode) |
| Максимальная скорость | 31 миль/ч |
| Количество скоростей | 7 (Shimano 7-Speed Gear) |
| Размер колеса | 20 Inches (20" x 4.0" Fat Tires) |
| Материал рамы | Алюминиевый сплав |
| Тип подвески | Dual (Front Fork & Rear Shock Absorber) |
| Тип тормоза | Dual Hydraulic Disc Brakes (Front and Back) |
| Рекомендация по максимальному весу | 150 kg (Safety load ≤ 120KG) |
| Вес товара | 47 Килограмма |
| Габаритные размеры (Д х Ш х В) | 70.8 x 23.6 x 45.3 дюйма (1730 x 600 x 1150 мм) |
| Rider Height Recommendation | 5.1 фута - 6.5 фута |
| Особые возможности | Electric, Portable, IP65 Waterproof, LCD Display, Angel Eye Headlight, Turn Signals, LED Rear Brake Light |
| Цвет | Черный желтый |

Image: Detailed specifications including dimensions, battery capacity, charging time, net weight, payload capacity, and recommended rider height.
9. Гарантия и поддержка
9.1. Информация о гарантии
Each COSWHEEL Electric Bike comes with a 1-year all-inclusive warranty service. This warranty covers manufacturing defects and ensures that your product meets quality standards. Please retain your proof of purchase for warranty claims.
9.2. Поддержка клиентов
COSWHEEL provides professional technical guidance and customer support. If you have any questions regarding assembly, operation, maintenance, or troubleshooting, please do not hesitate to contact us. We aim to reply to all inquiries within 24 hours.
Важный совет: Please reserve the original packaging for some time after purchase. This will be essential in case of any issues requiring an Ebike return or warranty service.





