Varstrom 36V 250W Hub Motor Conversion Kit (Compatible with 26, 27.5, 700C, 28, 29 inch wheels)

SUTTO 36V 250W E-Bike Hub Motor Conversion Kit User Manual

Model: 36V 250W Hub Motor Conversion Kit (Compatible with 26, 27.5, 700C, 28, 29 inch wheels)

Brand: Varstrom

1. Introducción

Thank you for choosing the SUTTO 36V 250W E-Bike Hub Motor Conversion Kit. This kit is designed to transform your standard bicycle into an electric bicycle, offering enhanced riding experience with pedal assistance or full electric power. This manual provides essential information for the safe installation, operation, and maintenance of your conversion kit. Please read it thoroughly before installation and use.

2. Información de seguridad

Su seguridad es primordial. Por favor, respete las siguientes normas de seguridad:

  • Utilice siempre un casco y equipo de seguridad adecuado cuando conduzca su bicicleta eléctrica.
  • Asegúrese de que todos los componentes estén bien instalados y apretados antes de cada uso.
  • Regularly check brakes, tires, and electrical connections.
  • Do not operate the e-bike in adverse weather conditions (heavy rain, snow, ice) if not designed for such use. The display has an IP65 waterproof rating, but other components may vary.
  • Familiarize yourself with local regulations regarding e-bike use, speed limits, and power output.
  • Keep hands and clothing away from moving parts, especially the motor and freewheel.
  • Desconecte la batería antes de realizar cualquier mantenimiento o ajuste.
  • No modifique el motor ni el controlador. Las modificaciones no autorizadas pueden provocar un mal funcionamiento y anular la garantía.

3. Contenido del paquete

The SUTTO E-Bike Conversion Kit includes the following components. Please verify all items are present upon unboxing:

Encimaview of all included components for the SUTTO E-Bike Conversion Kit, showing the hub motor wheel, battery, display, controller, throttle, brake levers, and various tools and cables.

Figure 3.1: All included components for the SUTTO E-Bike Conversion Kit.

  1. Hub Motor Wheel (1)
  2. Downtube Battery (Optional, shown in image, check your specific kit variant) (2)
  3. DZ40 Display (3)
  4. Controller Box (4)
  5. Controlador (5)
  6. PAS Right Big Sensor (6)
  7. Thumb Throttle (7)
  8. 1T4 Cable (8)
  9. Mechanical Brake Levers (9)
  10. Connection Cable (10)
  11. Shimano 7 Speed Freewheel (11)
  12. Hexagonal Wrench Set (12)
  13. Headlight (13)
  14. Crank Removal Tool (14)
  15. Axle Removal Tool (15)
  16. Plastic Straps (16)
  17. Installation Manual (Book)

4. Configuración e instalación

This section guides you through the installation process. Professional installation is recommended if you are unfamiliar with bicycle mechanics.

4.1 Comprobaciones previas a la instalación

  • Tipo de freno: This kit is designed exclusively for bicycles with disc brakes only.
  • Ancho de puntera trasera: Measure the rear dropout width of your bicycle frame. It must be between 130mm and 140mm for proper motor installation. The motor mounting width is 138mm.
  • Tamaño de la rueda: Ensure the conversion kit's wheel size matches your bicycle's tire size. The corresponding size is typically marked on the outer tire. This kit is compatible with 26", 27.5", 700C (28"), and 29" wheels.
Image showing the hub motor wheel, a close-up of the motor axle, and a bicycle frame diagram indicating an installation width of 135-140mm. Also includes a table with rim size, rim material, type of brake, and suitable tire information.

Figure 4.1: Rear dropout width and wheel compatibility.

4.2 Pasos de instalación de componentes

  1. Preparar la rueda: The hub motor is pre-mounted in the rim. Transfer your original bicycle tire and inner tube onto the new hub motor wheel. Ensure the tire is seated correctly and inflated to the recommended pressure.
  2. Instalar Freewheel: Attach the Shimano 7-speed freewheel to the hub motor.
  3. Mount Hub Motor Wheel: Install the hub motor wheel into the rear dropout of your bicycle frame, ensuring the axle is properly seated and secured with the provided nuts.
  4. Instalar palancas de freno: Remove your original brake levers and install the new mechanical brake levers (9). These levers include a cut-off switch for safety.
  5. Install Thumb Throttle: Mount the thumb throttle (7) on your handlebar in a comfortable position.
  6. Install DZ40 Display: Mount the DZ40 LCD display (3) on your handlebar.
  7. Instalar el sensor PAS: Use the crank removal tool (14) and axle removal tool (15) to remove your bicycle's crank arm and bottom bracket. Install the PAS Right Big Sensor (6) on the right side of the bottom bracket, ensuring it is correctly aligned with the pedal cadence. Reinstall the crank arm.
  8. Mount Controller and Controller Box: Secure the controller (5) inside the controller box (4). Mount the controller box to your bicycle frame in a suitable location, often near the seat tube or downtube.
  9. Install Headlight: Mount the headlight (13) on your bicycle.
  10. Conexiones de cableado: Carefully connect all components to the controller using the 1T4 cable (8) and other connection cables (10). Refer to the wiring diagram below for correct connections. Use plastic straps (16) to neatly secure all cables along the frame.
Detailed wiring diagram showing connections between the DZ40 LCD Display, Brake Levers, Throttle, PAS Right Big Sensor, Battery, Hub Motor, Headlight, and Controller.

Figura 4.2: Diagrama de cableado.

Close-up of the controller and various connectors, including 1T4 EU-BUS, Battery (XT60), Headlight, Taillight, PAS Sensor, and Hub Motor connectors, with a table detailing rated voltage, current, size, and connector pin configurations.

Figure 4.3: Controller and Connector Details.

Detalles del conector:

  • 1T4 EU-BUS Connector: Hembra de 8 pines
  • Conector de batería (XT60): Red -- Positive "+", Black -- Negative "-"
  • Headlight Connector (White): Red -- Positive "+", Black -- Negative "-"
  • Taillight Connector (Black): Red -- Positive "+", Black -- Negative "-"
  • PAS Sensor Connector: Hembra de 3 pines
  • Hub Motor Connector: Hembra de 9 pines

4.3 Instalación de la batería (si corresponde)

If your kit includes a downtube battery, install it securely onto the frame mount. Ensure the battery is locked into place to prevent accidental detachment during riding. Connect the battery cable to the controller's battery connector (XT60).

Diagram showing different 36V downtube battery options (15Ah, 17.4Ah, 21Ah) with their dimensions, energy capacity (Wh), battery cell types, weight, and cycle life. Charger information is also included.

Figure 4.4: Battery specifications and dimensions.

5. Instrucciones de funcionamiento

Once installed, your e-bike conversion kit offers various modes of operation.

5.1 DZ40 LCD Display

The DZ40 LCD display provides essential information and control over your e-bike's functions.

Close-up of the DZ40 LCD Uart Display showing PAS Level 5 and a holder diameter of 22.2mm. Text describes it as simple, light, with a left switch display, high brightness white digital tube display, and IP65 waterproof ability.

Figure 5.1: DZ40 LCD Uart Display.

  • Nivel PAS: The display shows the current Pedal Assist System (PAS) level, typically from 0 to 5. Adjust this level using the buttons on the display to control the motor's assistance.
  • Visualización de información: The display shows speed, battery level, and other relevant riding data.
  • Impermeable: The display has an IP65 waterproof rating, suitable for outdoor use.

Modos de funcionamiento de 5.2

The SUTTO E-Bike Conversion Kit supports three primary operating modes:

Image showing the hub motor wheel and key performance indicators: 36V Voltage, 250W Related Power, 32KM Max Speed, 45N.M Max Torque. Also illustrates three operating modes: Electric Bike Mode, Pedal Assisted Mode, and Walk Assisted Mode. Indicates Disc Brake Only and Shimano 7 Speed Freewheel compatibility.

Figure 5.2: Operating Modes and Key Specifications.

  • 1. Electric Bike Mode: Use the thumb throttle to engage the motor and propel the bicycle without pedaling. The maximum speed is approximately 25-32 km/h.
  • 2. Pedal Assisted Mode (PAS): The PAS sensor detects your pedaling and provides motor assistance based on the selected PAS level on the DZ40 display. This mode enhances your pedaling effort.
  • 3. Walk Assisted Mode: This mode provides low-speed motor assistance, useful when pushing the bicycle uphill or through crowded areas. Consult your display manual for activation.

5.3 Brake Lever Function

The mechanical brake levers are equipped with safety cut-off switches. When either brake lever is engaged, power to the motor is immediately cut, ensuring safe stopping and preventing accidental acceleration.

6. Mantenimiento

El mantenimiento regular garantiza la longevidad y el funcionamiento seguro de su kit de conversión de bicicleta eléctrica.

  • Limpieza: Limpie el motor, el controlador y la pantalla con adamp paño. Evite utilizar chorros de agua a alta presión directamente sobre los componentes eléctricos.
  • Conexiones eléctricas: Revise periódicamente todas las conexiones eléctricas para comprobar su firmeza y evitar la corrosión. Asegúrese de que los cables no estén pinchados ni dañados.
  • Frenos: Regularly inspect brake pads and rotors for wear. Adjust or replace as necessary to maintain effective braking.
  • Llantas: Maintain correct tire pressure. Check for punctures or excessive wear.
  • Rueda libre: Keep the freewheel clean and lubricated for smooth operation.
  • Cuidado de la batería: If your kit includes a battery, follow the manufacturer's guidelines for charging, storage, and temperature. Avoid fully discharging the battery.
  • Mantenimiento general de la bicicleta: Continue to perform regular maintenance on your bicycle's mechanical components (chain, gears, bearings, etc.) as you would with a standard bike.

7. Solución de problemas

Esta sección aborda problemas comunes que podrías encontrar.

  • No hay energía en el motor:
    • Compruebe el nivel de carga de la batería.
    • Ensure all electrical connections are secure, especially the battery and motor connectors.
    • Verify the display is powered on.
    • Check if brake levers are slightly engaged, cutting power.
  • PAS no funciona:
    • Ensure the PAS sensor is correctly installed and aligned.
    • Check the PAS sensor cable connection to the controller.
    • Verify the PAS level on the display is set above 0.
  • El acelerador no responde:
    • Check the throttle cable connection.
    • Asegúrese de que las palancas de freno no estén activadas.
  • La pantalla no se enciende:
    • Verifique la conexión y carga de la batería.
    • Inspect the display cable for damage and ensure it's securely connected.
  • Ruidos inusuales del motor:
    • Deje de conducir inmediatamente.
    • Check for loose components or obstructions.
    • Póngase en contacto con el servicio de atención al cliente si el problema persiste.

For issues not covered here, please consult the detailed installation book included with your kit or contact customer support.

8. Especificaciones

CaracterísticaEspecificación
MarcaVarstrom (SUTTO sub-brand)
Tipo de motor36V 250W Brushless Gearless Hub Motor
Par máximo45 Nm
Velocidad máxima25 - 32 kilómetros por hora
Tamaños de ruedas compatibles26", 27.5", 700C (28"), 29"
Compatibilidad de frenosDisc Brake Only
Rear Dropout Width130 - 140 mm (Motor width: 138 mm)
MostrarDZ40 LCD Uart Display (IP65 Waterproof)
Niveles PAS5 niveles
Rueda libreShimano 7-Speed Freewheel
Volumen nominal del controladortage36 V
Corriente nominal del controlador7A
Controller Max. Current15A
Controlador de bajo volumentage Protección29 V
Tamaño del controlador90mm x x 50mm 30mm (3.54 "x 1.97" x 1.18 ")
Material principalAluminio
Item Weight (Motor)3.9 kilogramos

9. Garantía y soporte

SUTTO (Varstrom) is committed to customer satisfaction and product quality.

  • Garantía: The hub motor is covered by a one-year warranty. All other components included in the kit are subject to a 6-month warranty.
  • Reclamaciones de garantía: In case of a defect or malfunction within the warranty period, please contact your retailer or Varstrom customer support with your proof of purchase.
  • Apoyo: For technical assistance, troubleshooting, or any questions regarding your SUTTO E-Bike Conversion Kit, please refer to the contact information provided by your retailer or on the official Varstrom websitio.