VGEBY Pedal Assist Sensor for Electric Bicycles User Manual

1. Product Overview

The VGEBY Pedal Assist Sensor is designed to enhance your electric bicycle riding experience by providing 1:1 power assistance. This sensor utilizes a dual-magnet loop Hall effect angle difference to detect dynamic torque, which is then converted into a DC signal and sent to your e-bike's controller. This mechanism ensures a smoother and more effortless cycling experience.

Constructed from high-quality steel alloy, this sensor is built for durability and reliability. Its compact design offers resistance against corrosion, dust, and impacts, ensuring long-term performance. It is compatible with most electric bicycles available on the market.

Image 1.1: The VGEBY Pedal Assist Sensor, showing the sensor unit with its cable and the magnetic disc.

2. Setup and Installation

Proper installation of the VGEBY Pedal Assist Sensor is crucial for optimal performance. This section outlines the general steps for mounting the sensor on your electric bicycle.

2.1 Components

• Pedal Assist Sensor Unit (Hall Effect Sensor)
• Magnetic Disc (typically with 5 magnets)
• Connecting Cable

2.2 Installation Steps

1. Prepare the Crankset: Ensure your bicycle's crankset area is clean and free from obstructions. You may need to remove the left crank arm and bottom bracket to install the magnetic disc.
2. Mount the Magnetic Disc: Slide the magnetic disc onto the bottom bracket spindle, ensuring the magnets face the direction where the sensor unit will be mounted. The disc typically has an inner diameter designed to fit standard bottom bracket spindles.
3. Install the Sensor Unit: Position the sensor unit on the bicycle frame near the magnetic disc. It should be mounted securely, typically using the provided bracket, so that the sensor head is in close proximity to the magnets on the disc without touching them. Ensure the sensor is aligned correctly to detect the rotation of the magnetic disc.
4. Connect Wiring: Connect the sensor's cable to your e-bike's controller. Refer to your e-bike's controller manual for specific wiring instructions. The sensor typically has a 3-pin connector (power, ground, signal).
5. Secure Cables: Route and secure all cables using zip ties or cable clips to prevent them from interfering with moving parts or getting damaged.
6. Test Functionality: After installation, rotate the pedals to ensure the sensor is detecting movement and providing assistance.

Image 2.1: A close-up view of the sensor unit, highlighting its compact design and mounting holes.

Image 2.2: The magnetic disc, showing the arrangement of magnets that interact with the sensor unit.

Image 2.3: An example of the pedal assist sensor and magnetic disc installed on an electric bicycle's crankset.

3. Operating Instructions

Once installed and connected, the VGEBY Pedal Assist Sensor operates automatically when you pedal your electric bicycle.

• Automatic Activation: The sensor detects pedal rotation and sends a signal to the e-bike controller.
• 1:1 Power Assistance: The controller then activates the motor to provide assistance proportional to your pedaling effort, offering a 1:1 assist ratio.
• Smooth Operation: The Hall effect technology ensures a smooth and responsive power delivery, making your ride easier and more enjoyable.

No manual adjustments are typically required for the sensor itself during operation. The level of assistance is usually controlled via your e-bike's display unit or controller settings.

4. Maintenance

To ensure the longevity and reliable performance of your VGEBY Pedal Assist Sensor, follow these simple maintenance guidelines:

• Keep Clean: Regularly clean the sensor unit and magnetic disc to prevent dirt, mud, or debris from accumulating, which could interfere with its operation. Use a soft, damp cloth.
• Check Connections: Periodically inspect the wiring and connectors for any signs of wear, damage, or loose connections. Ensure they are securely plugged in.
• Inspect Mounting: Verify that the sensor unit and magnetic disc remain securely mounted and properly aligned. Tighten any loose screws if necessary.
• Avoid Harsh Chemicals: Do not use abrasive cleaners or harsh chemicals on the sensor, as these can damage the materials.
• Storage: If storing your e-bike for an extended period, ensure the sensor is clean and dry.

5. Troubleshooting

If you encounter issues with your VGEBY Pedal Assist Sensor, consider the following troubleshooting steps:

• No Power Assistance:
  • Check all cable connections between the sensor and the controller. Ensure they are secure.
  • Verify that the sensor unit is correctly aligned with the magnetic disc and that there is a small, consistent gap between them.
  • Ensure the magnetic disc is rotating freely and the magnets are intact.
  • Consult your e-bike's controller manual for any specific error codes related to pedal assist.
• Intermittent Assistance:
  • Inspect the sensor and magnetic disc for any debris or dirt that might be intermittently blocking the signal.
  • Check for loose wiring or damaged insulation on the sensor cable.
  • Ensure the sensor is firmly mounted and not shifting during rides.
• Incorrect Assistance Level:
  • The sensor itself provides a signal; the assistance level is typically controlled by your e-bike's controller or display. Refer to your e-bike's user manual for adjusting assist levels.

Note: The product description mentions that minor cosmetic variations, such as an element not being perforated, will not affect its function or effects.

If problems persist after attempting these steps, please contact customer support.

6. Specifications

7. Warranty and Support

VGEBY is committed to providing high-quality products. While specific warranty terms are not detailed, customer satisfaction is a priority.

7.1 Customer Support

If you are not satisfied with the product you have received, or if you encounter any issues, please do not hesitate to contact VGEBY customer support. You can send emails at any time, and the support team will respond promptly to assist you in resolving your problem.

For support inquiries, please refer to the contact information provided with your purchase or on the official VGEBY website.