Varstrom 125XVH-ZH

Varstrom 125XVH-ZH Rear Hub Motor Ebike Conversion Kit User Manual

Models: 48V 500W, 48V 750W

1. Introdución e información de seguridade

This manual provides essential instructions for the safe installation, operation, and maintenance of your Varstrom 125XVH-ZH Rear Hub Motor Ebike Conversion Kit. Please read this manual thoroughly before attempting installation or operation. Retain this manual for future reference.

1.1 Advertencias xerais de seguridade

  • Always wear a helmet and appropriate safety gear when riding an electric bicycle.
  • Ensure all connections are secure and waterproofed where necessary.
  • Do not modify the motor, controller, or battery system. Unauthorized modifications can lead to malfunction, injury, or void the warranty.
  • Regularly inspect your bicycle and the conversion kit components for wear, damage, or loose connections.
  • Be aware of local regulations regarding electric bicycles, including speed and power limits.
  • Keep children and pets away from the kit components during installation and operation.
  • Avoid exposing the battery to extreme temperatures, direct sunlight, or moisture.

2. Contido do paquete

Verify that all components listed below are present in your package. If any items are missing or damaged, contact Varstrom customer support immediately.

Compoñentes do kit de conversión para bicicleta eléctrica Varstrom

Imaxe 2.1: Acabadoview of the Varstrom Ebike Conversion Kit components, including the rear hub motor wheel, battery, display, controller, throttle, brake levers, PAS sensor, and wiring.

  • Rear Hub Motor Wheel (Pre-laced to selected rim size: 20"/26"/27.5"/700C)
  • Controlador de motor
  • Estuche do controlador
  • Brake Levers (or Hydraulic Brake Sensors)
  • Acelerador de polgar
  • PAS (Sensor de asistencia ao pedaleo)
  • Vastrom LCD Display (Optional, specific model may vary)
  • Battery (Optional, specific model may vary)
  • Cable de extensión
  • 1T4 Cable (Main wiring harness)
  • Faro frontal
  • Plastic Straps for cable management
  • Manual de instrucións (Este documento)

3. Produto rematadoview

The Varstrom 125XVH-ZH kit converts a standard bicycle into an electric bicycle, providing pedal assistance or throttle-controlled power. It features a robust rear hub motor and a comprehensive set of components for a complete conversion.

3.1 Características principais

  • Powerful Brushless Rear Hub Motor: Available in 48V 500W or 48V 750W configurations, offering efficient and quiet operation.
  • Advanced Helical Gearing: Optimized internal structures for wear resistance and extended lifespan, ensuring durability and quiet performance.
  • Ampla compatibilidade: Fits 20" (500W only), 26", 27.5", and 700C bicycle frames with 135mm-145mm rear dropout spacing. Compatible with both disc brakes and V-brakes.
  • Integrated Controller: Manages power delivery and system functions.
  • Optional Display: Provides real-time riding data, battery status, and control over assist levels.
  • Waterproof Connectors: Designed for enhanced splash and weather resistance (IPX5 rated motor).
Varstrom 125XVH-ZH Rear Hub Motor with Specifications

Image 3.1: The Varstrom 125XVH-ZH rear hub motor, highlighting its power, speed, torque, and waterproof rating.

Helical Gearing in Varstrom Motor

Image 3.2: Illustration of the advanced helical gearing and internal design for high-intensity use, emphasizing wear-resistance and longevity.

4. Compatibilidade

Before installation, ensure your bicycle meets the following compatibility requirements:

  • Rear Dropout Spacing: Your bicycle frame must have a rear dropout spacing of 135mm to 145mm (5.31" to 5.71").
  • Tamaño da roda: The kit is available for 20" (500W version only), 26", 27.5", and 700C wheel sizes. Select the kit that matches your bicycle's wheel size.
  • Tipo de freo: Compatible with both disc brakes and V-brakes.
  • Cassette Flywheel: Supports cassette flywheels with up to 10 speeds.
Motor Specifications and Dropout Compatibility

Image 4.1: Detailed motor dimensions and rear dropout compatibility (135-145mm).

Ebike Conversion Kit Compatibility with Various Bike Types

Imaxe 4.2: Ex.amples of various bicycle types compatible with the Varstrom motor, including mountain bikes, road bikes, cargo bikes, city bikes, recumbent trikes, and folding bikes.

5. Configuración e instalación

Installation of the Varstrom Ebike Conversion Kit requires basic mechanical skills. If you are unsure about any step, consult a professional bicycle mechanic.

5.1 Diagrama de instalación

Ebike Conversion Kit Wiring Diagram

Image 5.1: Comprehensive wiring diagram showing the connection points for the hub motor, controller, battery, display, throttle, brake levers, PAS sensor, and headlight.

5.2 Guía de instalación paso a paso

  1. Prepara a túa bicicleta:
    • Remove the existing rear wheel from your bicycle.
    • If applicable, transfer your cassette flywheel to the new motor wheel.
  2. Install the Motor Wheel:
    • Carefully insert the Varstrom rear hub motor wheel into the bicycle's rear dropouts. Ensure the motor cable exits towards the non-drive side.
    • Secure the wheel with the provided axle nuts, ensuring it is centered and tight.
  3. Montar o controlador:
    • Find a suitable location on your bike frame for the controller and its case, typically near the seat tube or down tube.
    • Secure the controller case using screws or straps. Place the controller inside.
  4. Install the PAS Sensor:
    • Mount the PAS sensor on the bottom bracket spindle, typically on the non-drive side. Ensure the magnet disc is properly aligned with the sensor.
  5. Install Handlebar Components:
    • Mount the thumb throttle, brake levers (or brake sensors), and the display (if included) onto the handlebars. Adjust their positions for comfortable access.
  6. Conectar cableado:
    • Conecte o cable do motor ao controlador.
    • Connect the 1T4 cable to the controller, then connect the throttle, brake levers, display, and headlight to the 1T4 cable.
    • Conecte o sensor PAS ao controlador.
    • If using an optional battery, connect it to the controller.
    • Ensure all connections are firm and secure. Use plastic straps to manage and secure cables, preventing them from interfering with moving parts.
  7. Comprobacións finais:
    • Comprobe todas as conexións.
    • Ensure the wheel spins freely and the brakes function correctly.
    • Verify that no cables are pinched or obstructing steering or pedaling.

6. Funcionamento

Once installed, operating your Varstrom ebike conversion kit is straightforward. Familiarize yourself with the display and controls before your first ride.

6.1 Display Functions (Optional)

If your kit includes a display, it provides crucial information and control over the ebike system. Common display models include VD03, EKD01, and VD04, each offering varying features.

Varstrom Ebike Display Options (VD03, EKD01, VD04)

Image 6.1: Comparison of available display units (VD03, EKD01, VD04) showing their screen sizes, mounting options, PAS levels, waterproof ratings, and additional features like Bluetooth and navigation.

  • Encendido/apagado: Manteña premido o botón de acendido na pantalla para acender ou apagar o sistema.
  • Selección do nivel de asistencia: Use the '+' and '-' buttons to cycle through pedal assist levels (typically 0-9). Level 0 provides no assistance.
  • Funcionamento do acelerador: The thumb throttle provides power on demand, independent of pedaling. Use it cautiously, especially at higher assist levels.
  • Visualización de información: The display shows current speed, battery level, trip distance, total distance, and assist level.
  • Control de faro: The headlight can typically be turned on/off via a button on the display or a separate switch.
  • Street-Legal Mode (25 km/h): Some displays (EKD01, VD04) offer a quick-switch to a 25 km/h street-legal mode by holding the '+' and '-' buttons together.
  • Conectividade Bluetooth e de aplicacións: Certain displays (EKD01, VD04) support Bluetooth for remote locking/unlocking and advanced ride data tracking via the 'BIKEGO+' app.

6.2 Consellos de condución

  • Start in a low assist level to get accustomed to the motor's power.
  • Use the throttle sparingly until you are comfortable with the ebike's acceleration.
  • Always be aware of your surroundings and traffic.
  • Plan your routes considering battery range, especially for longer rides.

7. Mantemento

Regular maintenance ensures the longevity and safe operation of your Varstrom ebike conversion kit.

7.1 Coidados xerais

  • Limpeza: Wipe down the motor, controller, and battery with a damp pano. Evite usar chorros de auga a alta presión directamente sobre os compoñentes eléctricos.
  • Conexións: Comprobe periodicamente todas as conexións eléctricas para comprobar se están ben apertadas e se presentan corrosión.
  • Cables: Inspect cables for fraying, cuts, or damage. Replace damaged cables immediately.
  • Fixadores: Ensure all bolts and nuts, especially those securing the motor wheel, are tightened to the manufacturer's specifications.

7.2 Battery Care (If applicable)

  • Cargando: Use only the charger provided with your battery. Do not overcharge or completely discharge the battery.
  • Almacenamento: Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures. If storing for extended periods, charge it to 50-70% every few months.
  • Eliminación: Dispose of old or damaged batteries according to local regulations for lithium-ion batteries.

8 Solución de problemas

This section addresses common issues you might encounter with your ebike conversion kit.

ProblemaCausa posibleSolución
O motor non fornece enerxíaCarga baixa da batería
Conexión eléctrica solta
PAS sensor not engaged
Brake lever sensor activated
Cargar batería
Check all cable connections, especially motor and battery
Ensure PAS sensor is correctly installed and magnet disc is spinning
Check brake levers are fully released
A pantalla non se acendeBattery not connected or dead
Cable de pantalla solto
Pantalla danada
Comproba a conexión da batería e carga
Ensure display cable is securely plugged into the 1T4 cable
Póñase en contacto co servizo de asistencia para a substitución
Asistencia de pedaleo inconsistentePAS sensor misalignment
Damaged PAS sensor
Adjust PAS sensor and magnet disc alignment
Inspect PAS sensor for damage, replace if necessary
Ruídos pouco comúns do motorLoose spokes
Problema motor interno
Check spoke tension and tighten if loose
Deixa de usar e ponte en contacto co soporte

If you encounter an issue not listed here or if the suggested solutions do not resolve the problem, please contact Varstrom customer support.

9. Especificacións

Detailed technical specifications for the Varstrom 125XVH-ZH Rear Hub Motor Ebike Conversion Kit.

Varstrom 125XVH-ZH Motor Specifications Table

Image 9.1: Table detailing motor specifications including brand, model, type, rated power, peak power, rated voltage, max speed, max torque, spoke hole count, brake type, cassette type, efficiency, noise grade, waterproof rating, and operation temperature.

Especificación48V 500W Version48V 750W Version
MarcaVarstrom
Modelo125XVH
TipoGear Drive Brushless Rear Hub Motor
Potencia nominal500 W750 W
Potencia máxima864 W1056 W
Voltage48 V
Velocidade máxima45-50 KM/H (approx. 31 MPH)55-60 KM/H (approx. 37 MPH)
Par máximo65 Nm80 Nm
Buraco do radio36H * 12G
Tipo de freoFreo de disco / Freo en V
Tipo de casete≤10 velocidades
Eficiencia>80%
Grao de ruído<60 db
ImpermeableIPX5
Temperatura de funcionamento-20 °C ~ 45 °C

9.1 Especificacións do controlador

Modelo de controladorDC Rated VoltagePotencia nominalCorriente límiteCorrente nominalSub-Voltage ProtecciónSobre Voltage Protección
48V500W48 V500 W22 ± 1A11 ± 1A39 ± 1 V62.4 V
48V750W48 V750 W22 ± 1A11 ± 1A39 ± 1 V62.4 V

9.2 Especificacións da batería (opcional)

If you purchased a battery with your kit, refer to the specific battery model for detailed specifications. Below is a general overview of common Varstrom battery options.

Varstrom Ebike Battery Specifications Table

Image 9.2: Table comparing various Varstrom battery models, including voltage, capacity, cell type, BMS max protection current, USB port availability, weight, cycle life, and charger compatibility.

10. Garantía e soporte

Varstrom products are designed for quality and reliability. For warranty information and customer support, please refer to the following:

10.1 Información da garantía

Please retain your proof of purchase for warranty claims. The warranty period and terms may vary by component. Typically, motors and controllers come with a 1-year warranty against manufacturing defects. Batteries (if purchased from Varstrom) usually have a separate warranty period. For detailed warranty terms, please visit the official Varstrom websitio ou póñase en contacto co servizo de atención ao cliente.

10.2 Atención ao cliente

If you have any questions, require technical assistance, or need to make a warranty claim, please contact Varstrom customer support through the following channels:

  • Oficial Websitio: Visita o Varstrom Store on Amazon para obter información sobre o produto e ligazóns de asistencia.
  • Correo electrónico: Refer to your purchase documentation for the customer support email address.
  • Formulario de contacto en liña: Check the Varstrom official website for a contact form.

When contacting support, please provide your product model (125XVH-ZH), purchase date, and a detailed description of the issue.

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