1. Wprowadzenie
This manual provides detailed instructions for the installation, operation, and maintenance of your Varstrom 48V 500W/750W Ebike Hub Motor Conversion Kit. This kit is designed to transform a standard bicycle into an electric bicycle, offering enhanced power and speed for various riding conditions. Please read this manual thoroughly before installation and use to ensure safe and optimal performance.
2. Informacje dotyczące bezpieczeństwa
Always prioritize safety during installation and operation. Wear appropriate safety gear, including a helmet. Ensure all connections are secure and waterproofed where necessary. Do not attempt to modify components beyond their intended design. Consult a professional bicycle mechanic if you are unsure about any installation steps.
3. Zawartość opakowania
Your Varstrom Ebike Hub Motor Conversion Kit includes the following components:
- Pre-laced Motor Wheel (Front or Rear Hub, depending on order)
- Inteligentny kontroler
- Dźwignie hamulcowe (z czujnikami odcięcia silnika)
- Przepustnica kciukowa
- PAS (czujnik wspomagania pedałowania)
- Wiring Cables (including 1T4 cable)
- Reflektor
- LCD Display (Optional, VD03, VD04, or EKD01)
- Instrukcja obsługi
Note: The ebike battery is sold separately and is not included in this kit.

Rysunek 1: Koniecview of included components and wiring connections.
4. Koniec produktuview & Specyfikacje
The Varstrom Ebike Hub Motor Kit is available in two main versions: Standard (125EVH) and Performance (125XVH), offering different power outputs and features to suit various riding needs.

Figure 2: Detailed specifications for various Varstrom hub motor models.

Figure 3: Comparison between Standard (125EVH) and Performance (125XVH) motor versions.
Główne cechy:
- Wysoka wydajność: Motors achieve >80% efficiency for optimal power usage.
- Cicha praca: Noise levels are kept below 60dB for a smoother ride.
- Stopień wodoodporności: IPX5 rating ensures reliability in various weather conditions.
- Durable Gears: Features durable nylon helical gears for extended lifespan (Performance version).

Figure 4: Illustration of the dual-layer gear system for improved torque and durability.
5. Zgodność
The Varstrom Ebike Hub Motor Kit offers broad compatibility with various bicycle types and sizes:
- Rozmiary kół: Compatible with 20", 26", 27.5", and 700C (28"/29") wheels.
- Dropout Widths: Rear hub motor fits bicycles with a rear dropout width of 135-145mm. Front-drive version is compatible with a 100mm dropout.
- Układy hamulcowe: Supports both Disc and V-Brakes.
- Koła zębate: Compatible with cassette flywheels (not for screw-on freewheels) and works with up to 10-speed gear systems.

Figure 5: Guide for selecting the correct wheel size for your conversion kit.
6. Konfiguracja i instalacja
Follow these general steps for installing your ebike conversion kit. Refer to the detailed wiring diagram (Figure 1) for specific connections.
- Przygotuj swój rower: Ensure your bicycle is clean and stable. Remove the existing front or rear wheel, depending on your kit type.
- Montaż koła silnikowego: Mount the pre-laced motor wheel into the appropriate dropout (front or rear). Ensure it is securely fastened.
- Kontroler montażu: Secure the intelligent controller to your bicycle frame in a protected location, typically near the battery or motor.
- Montaż dźwigni hamulca: Replace your existing brake levers with the provided ones, which include motor cut-off sensors.
- Attach Throttle: Install the thumb throttle on your handlebar.
- Zainstaluj czujnik PAS: Mount the Pedal Assist Sensor near your crankset. Note: A right-side PAS sensor is needed for hollow cranksets.
- Podłącz okablowanie: Carefully connect all components to the controller using the provided wiring cables. Match colors and connectors as per the wiring diagram. Ensure all connections are tight and protected from moisture.
- Zainstaluj wyświetlacz: Mount your chosen display (VD03, VD04, or EKD01) on the handlebar and connect it to the main wiring harness.
- Podłącz akumulator: Connect your 48V/52V ebike battery (sold separately) to the controller.
- Kontrole końcowe: Before riding, double-check all connections, ensure brakes are functioning correctly, and verify that the motor engages and disengages properly.
Przewodniki wideo dotyczące instalacji:
Video 1: General installation guide for a Bafang Hub Motor Conversion Kit. (Source: Greenergia)
Video 2: Installation steps for a Hub Motor Kit. (Source: Lascycle)
7. Opcje wyświetlania
Customize your riding experience with three advanced display choices, all connecting to the BIKEGO+ app and featuring one-key speed limit adjustment:
- Wyświetlacz VD03: A compact 1.5" LED screen, ideal for limited handlebar space or budget-conscious users. Covers essential functions.
- Wyświetlacz VD04: A larger 3.5" IPS screen offering enhanced visuals and data clarity.
- Wyświetlacz EKD01: A wide 2.4" horizontal display, also providing enhanced visuals and data.

Figure 6: Visual representation of the VD03, VD04, and EKD01 display units.
8. Parametry baterii (opcjonalnie)
While the battery is sold separately, here are typical parameters for compatible 48V/52V battery systems to help you choose based on your range and power needs:

Figure 7: Table detailing various battery specifications for different capacities and types.
9. Działanie
Once installed and the battery is connected, operate your ebike as follows:
- Włączanie: Press and hold the power button on your display unit to turn on the system.
- Wybierz poziom pomocy: Use the '+' and '-' buttons on the display to select your desired pedal assist level. Higher levels provide more motor assistance.
- Throttle Use: The thumb throttle provides instant power without pedaling. Use it for quick acceleration or maintaining speed.
- Hamowanie: The brake levers are equipped with motor cut-off sensors, which will instantly cut power to the motor when applied, ensuring safe stopping.
- Ograniczenie prędkości: Adjust the speed limit via the display (refer to display-specific instructions for details).
- Wyłączone: Po zakończeniu jazdy naciśnij i przytrzymaj przycisk zasilania, aby wyłączyć system.
10. Konserwacja
Regular maintenance will prolong the life and performance of your ebike conversion kit:
- Czystość: Keep the motor, controller, and battery clean and free from dirt and debris. Use a damp cloth, avoid high-pressure washing.
- Znajomości: Periodically check all electrical connections for tightness and signs of corrosion. Ensure waterproof connections remain sealed.
- Kable: Inspect cables for any damage, fraying, or kinks. Replace damaged cables immediately.
- Pielęgnacja baterii: Follow the manufacturer's instructions for your specific battery regarding charging, storage, and temperature. Avoid fully discharging the battery.
- Elementy mechaniczne: Regularly check your bicycle's brakes, tires, and other mechanical parts as you would with a standard bike.
11. Rozwiązywanie Problemów
Jeśli napotkasz problemy, wypróbuj poniższe podstawowe kroki rozwiązywania problemów:
- Brak zasilania: Check battery charge, ensure battery is properly connected, and verify all main power cables are secure.
- Silnik nie włącza się: Check PAS sensor alignment and connection. Ensure brake levers are not engaged (motor cut-off). Verify throttle connection.
- Wyświetlacz nie działa: Check display cable connection to the controller. Ensure the battery has power.
- Zasilanie przerywane: Sprawdź wszystkie połączenia i upewnij się, że nie są uszkodzone.
For persistent issues, consult the detailed troubleshooting section in your kit's specific manual or contact Varstrom customer support.
12. Specyfikacje
| Atrybut | Wartość |
|---|---|
| Typ roweru | Rower miejski, rower elektryczny |
| Zakres wiekowy (opis) | Dorosły |
| Marka | Varstrom |
| Liczba prędkości | 10 |
| Kolor | Czarny |
| Zgodność rozmiarów kół | 20, 26, 27.5, 700C Inches |
| Materiał ramy | Aluminium |
| Typ zawieszenia | Podwójny |
| Cechy specjalne | Digital Display, Durable, Headlight, IPX5 Waterproof, Taillight |
| Nazwa modelu | US JJ R/F-125EVH+125XVH DZ |
| Źródło zasilania | Silnik elektryczny |
| Cotage | 500 watts (750W option available) |
| Materiał koła | Aluminium |
| Wymagany montaż | Tak |
| Typ przerzutki rowerowej | Kciuk |
| Poziom umiejętności | Początkujący |
| Konfiguracja przerzutki | Tył |
| Typ napędu roweru | Hub drive |
| Typ wspomagania elektrycznego | Silnik piasty |
| Frame Size (Dropout) | 135-145 millimeters (Rear), 100 millimeters (Front) |
13. Gwarancja i pomoc techniczna
Your Varstrom Ebike Hub Motor Conversion Kit comes with a warranty:
- Zasady zwrotu: 30 dni na zwrot.
- Napraw lub wymień: 365 days repair or replace.
For further assistance or technical support, please refer to the contact information provided with your purchase documentation.