BAFANG FM G020.500.D

BAFANG 48V 500W Front Hub Ebike Conversion Kit

Model: FM G020.500.D (20-inch wheel with SW2-M58 Display)

Manufacturer: Bafang Electric (Suzhou) Co., Ltd.

1. Introduction

This manual provides essential information for the installation, operation, and maintenance of your BAFANG 48V 500W Front Hub Ebike Conversion Kit. This kit is designed to transform a standard bicycle into an electric bicycle, offering enhanced performance and versatility. The motor delivers 65N.m maximum torque and can reach speeds up to 40 KM/H (25 MPH). It features an IPX5 waterproof design and operates quietly, ensuring a smooth riding experience in various weather conditions.

The kit is compatible with bicycles featuring 100mm front dropout widths and a 10mm front fork aperture, supporting both V-brakes and disc brake systems. The integrated Smart Pedal Assist System (PAS) offers four modes: throttle, pedal assist, walk assist, and pure cycling, allowing for customizable riding experiences.

The optional SW2-M58 LCD display provides real-time data including battery level, speed, mileage, mode selection, and error diagnostics, facilitating easy monitoring and troubleshooting.

2. Consignes de sécurité

Please read and understand all safety instructions before installing and operating the ebike conversion kit. Failure to follow these instructions may result in injury or damage to the product.

  • Portez toujours un casque et un équipement de sécurité approprié lorsque vous utilisez votre vélo électrique.
  • Avant de rouler, assurez-vous que toutes les connexions sont bien fixées et étanches, surtout par temps humide.
  • Do not modify the motor or controller. Unauthorized modifications can lead to malfunctions and void the warranty.
  • Regularly check brake functionality, tire pressure, and overall bicycle condition.
  • Be aware of local regulations regarding ebike speed and power limits.
  • Keep the battery (if purchased separately) away from heat sources and direct sunlight. Do not immerse the battery in water.
  • Effectuez une inspection avant chaque utilisation.

3. Contenu du colis

Veuillez vérifier que tous les éléments listés ci-dessous sont présents dans votre colis. Si un élément est manquant ou endommagé, veuillez contacter le service client.

Diagram showing all components included in the BAFANG Ebike Conversion Kit package.

Image : Terminéview of the BAFANG Ebike Conversion Kit components.

  • 48V 500W Front Hub Motor with Wheel (20-inch for this variant)
  • SW2-M58 Display
  • Contrôleur
  • Boîtier de commande
  • Câble 1T4
  • Capteur PAS gauche
  • Accélérateur au pouce
  • Brake Lever (default)
  • Phare
  • Câble d'extension
  • sangles en plastique
  • Autocollant

Note: The battery is NOT included and must be purchased separately.

4. Configuration et installation

The installation process is designed to be user-friendly. Refer to the provided diagrams and consider watching official video guides for a smoother setup.

4.1. Choosing the Correct Wheel Size

Ensure the wheel size of the kit matches your bicycle. This kit is for a 20-inch wheel. Verify your bicycle's rim diameter and compatible tire size.

Table illustrating how to choose the correct wheel size for the ebike conversion kit, showing 20, 26, and 700C options with rim diameter, spokes, compatible brake, and tire information.

Image: Guide for selecting the appropriate wheel size.

4.2. Front Fork Compatibility

Your bicycle's front fork must have a 100mm dropout width and a 10mm aperture to accommodate the front hub motor. The kit is compatible with both V-brake and disc brake systems.

4.3. Component Connection Diagram

Follow the connection diagram carefully to ensure all components are correctly wired. Incorrect wiring can damage the system.

Detailed wiring diagram for the BAFANG Ebike Conversion Kit, showing connections between the hub motor, controller, display, throttle, brake levers, PAS sensor, headlight, and battery.

Image: Kit Connection Diagram.

  1. Install the front hub motor into your bicycle's front fork.
  2. Mount the controller box and controller securely on the bicycle frame.
  3. Attach the SW2-M58 display to the handlebar.
  4. Install the thumb throttle and brake levers on the handlebar.
  5. Mount the left PAS sensor near the pedal crank.
  6. Connect all components using the 1T4 cable and extension cables as shown in the diagram. Ensure connectors are fully seated and secured.
  7. Connect your separately purchased 48V battery to the system.
  8. Installer le phare.

5. Mode d'emploi

Once installed, your BAFANG ebike kit offers multiple riding modes and a clear display for monitoring your ride.

5.1. SW2-M58 Display Overview

The SW2-M58 display provides critical information and control over your ebike system.

Close-up of the SW2-M58 LCD display mounted on a bicycle handlebar, showing power indicator, speed display, mileage indicator, battery indicator, PAS level, error display, and headlight power on indicator.

Image: SW2-M58 Display Interface.

  • Indicateur d'alimentation : Shows system power status.
  • Affichage de la vitesse : Vitesse de conduite actuelle.
  • Indicateur de kilométrage : Displays trip distance and total mileage.
  • Indicateur de batterie : Affiche le niveau de charge restant de la batterie.
  • Niveau PAS (Système d'assistance au pédalage) : Indicates the current assist level (0-9).
  • Affichage d'erreur : Shows error codes if a system issue occurs.
  • Allumage des phares : Indicates if the headlight is active.

5.2. Modes de conduite

The Smart PAS system offers four distinct riding modes:

  • Mode accélérateur : Provides power on demand via the thumb throttle, without pedaling.
  • Mode d'assistance à la pédale : Le moteur vous assiste au pédalage. Le niveau d'assistance est réglable via l'écran.
  • Mode d'assistance à la marche : Provides low-speed assistance to help push the bike when walking alongside it.
  • Mode cyclisme pur : The motor is off, and the bicycle operates as a traditional pedal bike.

Switch between modes and adjust pedal assist levels using the buttons on the SW2-M58 display.

6. Entretien

Un entretien régulier garantit la longévité et les performances optimales de votre kit de conversion pour vélo électrique BAFANG.

  • Nettoyage: Clean the motor, controller, and display with a damp cloth. Avoid high-pressure washing directly on electrical components. The motor has an IPX5 waterproof rating, but excessive water exposure should be avoided.
  • Relations: Vérifiez régulièrement le serrage et l'absence de corrosion de toutes les connexions électriques. Assurez-vous que les connecteurs étanches sont correctement scellés.
  • câbles: Inspect cables for any signs of wear, cuts, or damage. Replace damaged cables immediately.
  • Moteur: The brushless geared motor is designed for low maintenance. No internal user-serviceable parts.
  • Entretien de la batterie (le cas échéant) : If you purchased a BAFANG compatible battery, follow its specific charging and storage instructions. To maximize battery life, avoid fully discharging it and store it in a cool, dry place when not in use.
  • Entretien général du vélo : Continue to perform regular maintenance on your bicycle's mechanical components, including brakes, tires, chain, and gears.

7. Dépannage

If you encounter issues with your ebike kit, refer to the display for error codes or consult the common troubleshooting tips below.

Problème Cause possible Solution
Moteur non assisté Low battery, PAS sensor issue, loose connection, error code on display. Check battery charge. Inspect PAS sensor for proper alignment. Verify all cable connections. Consult display for error codes and refer to the display manual for specific error meanings.
L'écran ne s'allume pas Loose power cable, battery not connected, faulty display. Ensure battery is connected and charged. Check the main power cable connection to the display and controller.
Alimentation électrique irrégulière PAS sensor misalignment, throttle issue, controller problem. Realign PAS sensor. Check throttle cable. If problem persists, contact support.
Bruits inhabituels provenant du moteur Foreign object, internal motor issue. Stop riding immediately. Inspect the motor for any obstructions. If no external cause is found, contact technical support.

For persistent issues or specific error codes not listed, please contact BAFANG customer support.

8. Spécifications

Key technical specifications for the BAFANG 48V 500W Front Hub Ebike Conversion Kit (Model FM G020.500.D).

Infographic detailing the specifications of the BAFANG 48V 500W Front Motor, including 48V500W motor, 65Nm max torque, 40KM/H max speed, 7.7KG/17LB weight, and over 80% efficiency.

Image: BAFANG 48V 500W Front Motor Specifications.

Fonctionnalité Spécification
Nom du produit Moteur de moyeu avant
Option moteur 48V500W
Vol évaluétage 48V
Puissance nominale 500 W
Max Torque 65 Nm
Vitesse maximale 40 km/h (25 mi/h)
Wheel Diameter (for this variant) 20 pouces
Spécifications des rayons 36H*12G
Poids 7.100 KG (15.65 lb)
Efficacité >75%
Niveau de bruit < 55 dB
Niveau d'étanchéité IPX5
Largeurs d'installation (ANCIENNES) 100 ± 1 mm
Modèle d'affichage SW2-M58
Compatibilité des styles de freins V-brake, Disc brake

9. Garantie et assistance

BAFANG provides comprehensive support for its products.

  • Garantie: 30 days return policy, 365 days repair or replacement service.
  • Conseils techniques : Un service d'assistance technique à vie est disponible.
  • Fabricant: Bafang Electric (Suzhou) Co., Ltd.
  • Points de service : BAFANG has cooperative service points in various countries.

For warranty claims, technical assistance, or any questions, please contact your retailer or visit the official BAFANG website d'information et de support.

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Ce manuel peut être modifié sans préavis.