1. Wprowadzenie
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Varstrom 29in E-City Electric Bicycle. Please read this manual thoroughly before your first ride and keep it for future reference.
Ostrzeżenia dotyczące bezpieczeństwa
- Podczas jazdy zawsze noś kask.
- Przed każdą jazdą upewnij się, że wszystkie elementy są solidnie zamocowane.
- Nie należy jeździć pod wpływem alkoholu lub narkotyków.
- Zapoznaj się z lokalnymi przepisami ruchu drogowego.
- Regularly check brakes, tires, and battery charge.
2. Instalacja i montaż
Your Varstrom E-City Bike comes partially assembled. Follow these steps to complete the assembly and prepare for your first ride.
2.1 Rozpakowanie
Carefully remove the bicycle and all components from the packaging. Check for any visible damage during transit.
2.2 Montaż kierownicy
Attach the handlebars to the stem, ensuring they are centered and tightened securely. Adjust the angle for comfortable riding posture.
2.3 Instalacja pedałów
Identify the left (L) and right (R) pedals. Apply a small amount of grease to the threads and screw them into the crank arms. The left pedal tightens counter-clockwise, and the right pedal tightens clockwise. Tighten firmly with a wrench.
2.4 Regulacja sztycy i siodełka
Insert the seat post into the frame. Adjust the saddle height so your leg has a slight bend at the knee when the pedal is at its lowest point. Secure the quick-release lever or bolt firmly.
2.5 Montaż przedniego koła
If the front wheel is not pre-installed, carefully align it with the front fork dropouts. Ensure the brake rotor is correctly positioned within the caliper. Secure with the quick-release skewer or axle nuts.
2.6 Instalacja akumulatora i ładowanie początkowe
Insert the battery into its compartment on the frame. Ensure it clicks into place. Before first use, fully charge the battery using the provided charger. Refer to the "Battery Charging" section for details.

Figure 1: Fully assembled Varstrom 29in E-City Bike. This image shows the complete bicycle with its frame, wheels, handlebars, seat, and integrated rear rack.

Figure 2: Close-up of the Varstrom E-City Bike's integrated battery compartment. The image highlights the location where the removable 43.2V 13Ah lithium-ion battery is housed within the frame.
3. Operating Your E-City Bike
Understanding the controls and features of your Varstrom E-City Bike will ensure a safe and enjoyable riding experience.
3.1 Włączanie/wyłączanie
Naciśnij i przytrzymaj przycisk zasilania na wyświetlaczu LCD, aby włączyć lub wyłączyć układ elektryczny roweru.
3.2 Funkcje wyświetlacza LCD
The intelligent LCD display provides real-time information about your ride:
- Poziom naładowania baterii: Wskazuje pozostały poziom naładowania baterii.
- Prędkość: Aktualna prędkość jazdy (km/h).
- Przebieg: Total distance traveled (odometer) and trip distance.
- Poziom pomocy: Shows the current pedal assistance level.

Figure 3: Close-up of the Varstrom E-City Bike's intelligent LCD display. The screen shows various metrics including battery level, current speed, trip distance, and total distance, along with the pedal assistance level.
3.3 Tryby jazdy
Your E-City Bike offers three distinct riding modes:
- Normalny tryb roweru: The electric assistance is off. The bike operates like a traditional bicycle.
- Tryb wspomagania pedałowania (PAS): The motor provides assistance as you pedal. You can select from multiple assistance levels (e.g., 1-4) to control the amount of power. This mode offers up to 100 km range.
- Tryb wzmocnienia: Provides maximum assistance for easier starting or climbing steep inclines.
Use the '+' and '-' buttons on the control panel to switch between assistance levels.
3.4 Zmiana biegów
The Varstrom E-City Bike is equipped with a Shimano 7-speed transmission system. Use the shifter on the handlebars to change gears according to terrain and desired speed. Shift to a lower gear for climbing and a higher gear for flat terrain or descents.

Rysunek 4: Szczegółowy view of the Varstrom E-City Bike's Shimano 7-speed transmission system. This image shows the rear derailleur, cassette, and chain, illustrating the gear components.
3.5 Hamowanie
Your bike is equipped with reliable disc brakes. Use both front and rear brakes simultaneously for effective and safe stopping. Apply gentle pressure initially and increase as needed.
3.6 Lights and Rear Rack
The bike includes integrated front and rear lights for enhanced visibility. The rear rack can carry up to 20 kg of cargo. Ensure items are securely fastened before riding.

Rysunek 5: View of the Varstrom E-City Bike's integrated rear rack and lighting system. The image shows the sturdy aluminum alloy rear rack designed to carry up to 20kg, along with the rear light for night riding safety.
4. Konserwacja
Regular maintenance is crucial for the longevity and performance of your Varstrom E-City Bike.
4.1 Pielęgnacja i ładowanie baterii
- Zawsze należy używać oryginalnej ładowarki dołączonej do zestawu.
- Ładuj akumulator w dobrze wentylowanym pomieszczeniu, z dala od materiałów łatwopalnych.
- Nie przeładowuj akumulatora; odłącz go po pełnym naładowaniu.
- Jeśli rower będzie przechowywany przez dłuższy okres, naładuj akumulator do poziomu 50–70% i ładuj ponownie co 2–3 miesiące.
- Unikaj wystawiania baterii na działanie ekstremalnych temperatur.

Figure 6: The removable 43.2V 13Ah lithium-ion battery for the Varstrom E-City Bike. This image illustrates the battery's design, emphasizing its removability for convenient charging.
4.2 Czyszczenie
Regularnie czyść swój rower za pomocąamp Ściereczką i łagodnym mydłem. Unikaj używania myjek wysokociśnieniowych bezpośrednio na elementach elektrycznych, łożyskach i silniku.
4.3 Ciśnienie w oponach
Maintain correct tire pressure as indicated on the tire sidewall. Proper inflation improves ride quality, efficiency, and prevents punctures.
4.4 Kontrola hamulców
Regularly check brake pads for wear and brake levers for proper tension and responsiveness. Adjust or replace components as needed.
4.5 Smarowanie łańcucha
Utrzymuj łańcuch w czystości i smarowaniu, aby zapewnić płynną zmianę biegów i zapobiec przedwczesnemu zużyciu.
5. Rozwiązywanie Problemów
This section addresses common issues you might encounter with your Varstrom E-City Bike.
| Problem | Możliwa przyczyna | Rozwiązanie |
|---|---|---|
| Rower nie włącza się | Akumulator nie jest naładowany lub nie został prawidłowo zainstalowany; luźne połączenie elektryczne. | Ensure battery is fully charged and securely seated. Check all visible cable connections. |
| Silnik nie wspomaga | Pedal Assist (PAS) level set to zero; brake levers engaged; sensor issue. | Increase PAS level on the display. Ensure brake levers are fully released. Contact support if issue persists. |
| Krótki zasięg baterii | Low tire pressure; riding in high assistance levels; heavy load; cold weather. | Check tire pressure. Use lower assistance levels. Reduce load. Battery performance decreases in cold weather. |
| Noisy brakes | Contaminated brake pads/rotors; worn pads; misaligned caliper. | Clean brake components. Replace worn pads. Adjust caliper alignment. |
If you encounter issues not listed here or require further assistance, please contact Varstrom customer support.
6. Specyfikacje
Detailed technical specifications for your Varstrom 29in E-City Bike.
| Część | Specyfikacja |
|---|---|
| Model | Varstrom 29in E-City Bike |
| Silnik | 250W Brushless Rear Hub Motor, 55 Nm Torque |
| Maksymalna prędkość | 25 kilometrów na godzinę (15.5 mil na godzinę) |
| Bateria | 43.2V 13Ah (561.6Wh) Removable Lithium-Ion |
| Zakres | Up to 100 km (Pedal Assist Mode) |
| Materiał ramy | 6061 Aluminum Alloy, Low-Step Design |
| Rozmiar koła | 29 cali |
| Opony | Kenda 700x40 |
| Zawieszenie | Suntour NEX Fork with Hydraulic Suspension |
| Koła zębate | Shimano 7-Speed Transmission (MF-TZ500-7 Sprocket, RD-TY300 Derailleur, SL-TX50 Shifter) |
| Wyświetlacz | Intelligent LCD (Battery, Speed, Mileage, PAS Level) |
| Hamulce | Hamulce tarczowe (przód i tył) |
| Pojemność tylnego bagażnika | Do 20 kg |
| Dołączone akcesoria | Front and Rear LED Lights, Bell, Integrated Luggage Rack, Kickstand, Mudguards, Chain Guard |

Figure 7: A diagram illustrating key specifications and components of the Varstrom 29in E-City Bike. This visual summary includes details on the motor, battery, frame, transmission, suspension, and included accessories.
7. Informacje o gwarancji
Varstrom products are covered by a limited warranty against manufacturing defects. Please refer to the warranty card included with your purchase or visit the official Varstrom webSzczegółowe warunki i zasady znajdziesz na stronie. Zachowaj dowód zakupu na wypadek roszczeń gwarancyjnych.
The warranty typically covers the frame, motor, and battery for a specified period, provided the product has been used and maintained according to this manual.
8. Obsługa klienta
For technical assistance, spare parts, or warranty inquiries, please contact Varstrom customer support:
- E-mail: support@varstrom.com
- Webstrona: www.varstrom.com
- Kontaktując się z pomocą techniczną, przygotuj numer modelu i datę zakupu.





