COSWHEEL GT20-25AH
Instrukcja obsługi roweru elektrycznego COSWHEEL GT20
Model: GT20-25AH | Brand: COSWHEEL
1. Wprowadzenie
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. Informacje dotyczące bezpieczeństwa
Always prioritize safety when operating your electric bike.
- Zawsze należy nosić kask i odpowiedni sprzęt ochronny.
- Zapoznaj się z lokalnymi przepisami ruchu drogowego i regulacjami dotyczącymi rowerów elektrycznych.
- Przed każdym użyciem należy przeprowadzić kontrolę pojazdu, sprawdzając hamulce, opony, akumulator i oświetlenie.
- Nie należy prowadzić roweru będąc pod wpływem alkoholu lub narkotyków.
- Przed jazdą sprawdź, czy akumulator jest bezpiecznie zamocowany.
- Unikaj jazdy w ekstremalnych warunkach pogodowych lub na wyjątkowo śliskich nawierzchniach.
- Zachowaj bezpieczną odległość od innych pojazdów i pieszych.
- The maximum safe load for the bike is 120KG (150KG absolute maximum).
3. Rozpakowanie i montaż
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. Dołączone komponenty
Po rozpakowaniu należy sprawdzić, czy wszystkie elementy są obecne:
- GT20-25AH Ebike x 1
- Torba na narzędzia x 1
- Fender x 2
- Ładowarka x 1
- Instrukcja obsługi x 1
3.2. Assembly Steps (Overview)
- Ostrożnie wyjmij rower i wszystkie elementy z opakowania.
- Attach the front wheel and secure it properly.
- Zamontuj kierownicę, upewniając się, że jest odpowiednio wyrównana i dokręcona.
- 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 jego ogólnej konstrukcji i komponentów.
4. Kluczowe komponentyview
4.1. Silnik
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.

Obraz: Szczegółowy view of the 1500W peak powerful brushless motor, highlighting its robust design and specifications.
4.2. Bateria
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. Opony
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. Układ hamulcowy
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. Zawieszenie
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.

Obraz: Szczegółowy 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. Układ napędowy
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. Instrukcja obsługi
5.1. Włączanie/wyłączanie zasilania
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. Tryby jazdy
The COSWHEEL GT20 offers three distinct riding modes:
- Tryb rowerowy: Operate the bike like a traditional bicycle, using only pedal power without electric assistance.
- Tryb wspomagania pedałowania: 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.
- Tryb elektryczny: 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. Zmiana biegów
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. Ładowanie akumulatora
The 48V/25Ah battery can be charged in two ways:
- Ładowanie bezpośrednie: 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. Konserwacja
Regular maintenance is crucial for the safety, performance, and longevity of your electric bike.
6.1. Ogólna opieka
- Keep the bike clean. Wipe down the frame and components regularly with a damp szmatką. Unikaj mycia elementów elektrycznych pod wysokim ciśnieniem.
- Przechowuj rower w suchym i chłodnym miejscu, z dala od bezpośredniego światła słonecznego i ekstremalnych temperatur.
- Check all bolts and fasteners periodically for tightness.
6.2. Opony
- Regularnie sprawdzaj ciśnienie w oponach i pompuj je do zalecanego ciśnienia w psi (podanego na boku opony).
- Przed każdą jazdą sprawdź opony pod kątem zużycia, przecięć lub przebić.
6.3. Hamulce
- Test brakes before each ride to ensure proper function.
- Sprawdź stan klocków hamulcowych i w razie potrzeby wymień je.
- Upewnij się, że klamki hamulcowe są mocne i reagują odpowiednio.
6.4. Pielęgnacja baterii
- Charge the battery regularly, even if the bike is not in use, to maintain its health. Avoid fully discharging the battery.
- Nie wystawiaj akumulatora na działanie ekstremalnie wysokich lub niskich temperatur.
- Jeśli przechowujesz rower przez dłuższy czas, naładuj akumulator do poziomu 50–70% i przechowuj go w chłodnym, suchym miejscu.
7. Rozwiązywanie Problemów
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. Brak zasilania
- Check if the battery is fully charged and properly inserted/locked.
- Sprawdź, czy wszystkie połączenia elektryczne są bezpieczne.
- Verify the power button on the display is functioning.
7.3. Silnik nie wspomaga
- Confirm the bike is in Pedal-Assist or Electric Mode.
- Sprawdź poziom naładowania baterii.
- Inspect the throttle and pedal-assist sensor connections.
7.4. Braking Issues
- 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. Specyfikacje
| Funkcja | Specyfikacja |
|---|---|
| Nazwa modelu | GT20 |
| Numer modelu przedmiotu | GT20-25AH |
| Typ roweru | Electric Bike, Electric Motorcycle, Electric Dirt Bike, Electric Mountain Bike, Commuting EBike, Fat Tire Electric Bike |
| Zakres wiekowy (opis) | Dorosły |
| Marka | KOŁO KOSMETYCZNE |
| Moc silnika | Rated 1000W, Peak 1500W Brushless Motor |
| Moment obrotowy silnika | 80N.M |
| Typ baterii | 48V/25Ah 18650 Lithium-ion (Removable) |
| Zawartość energii baterii litowej | 1.2 kilowatogodziny |
| Czas ładowania | 3.5-8 godzin |
| Zasięg na jednym ładowaniu | 50-93 Miles (83-93 Miles PAS Mode, 55-62 Miles Electric Mode) |
| Maksymalna prędkość | 31 mil na godzinę |
| Liczba prędkości | 7 (Shimano 7-Speed Gear) |
| Rozmiar koła | 20 cali (20" x 4.0" grube opony) |
| Materiał ramy | Stop aluminium |
| Typ zawieszenia | Dual (Front Fork & Rear Shock Absorber) |
| Styl hamulca | Dual Hydraulic Disc Brakes (Front and Back) |
| Maksymalna zalecana waga | 150 kg (Safety load ≤ 120KG) |
| Waga przedmiotu | 47 kilograma |
| Rozmiar całkowity (dł. x szer. x wys.) | 70.8 x 23.6 x 45.3 cala (1730 x 600 x 1150 mm) |
| Zalecany wzrost jeźdźca | 5.1 stopy - 6.5 stopy |
| Cechy specjalne | Electric, Portable, IP65 Waterproof, LCD Display, Angel Eye Headlight, Turn Signals, LED Rear Brake Light |
| Kolor | Czarno żółty |

Image: Detailed specifications including dimensions, battery capacity, charging time, net weight, payload capacity, and recommended rider height.
9. Gwarancja i wsparcie
9.1. Informacje o gwarancji
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. Obsługa klienta
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.
Ważna wskazówka: 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.