Hall 502F Electric Bike Motor Sensor Board 90-18 Replacement

Keep your electric bike or vehicle running smoothly with the Hall 502F Electric Vehicle Sensor Board. Designed as a direct-fit replacement for 90-18 electric bike motors, this Hall effect sensor board delivers accurate rotor position detection — ensuring your motor controller receives the precise signals it needs for consistent, efficient performance.

Whether you're restoring a hub motor, upgrading aging components, or simply keeping a spare on hand, this compact sensor board is an easy, reliable solution for e-bike enthusiasts and repair technicians alike.

Key Features

• Model: Hall 502F — compatible with 90-18 electric bike hub motors
• Hall Effect Sensing: Delivers accurate rotor position feedback for smooth motor operation
• Direct Replacement: Designed to fit standard 90-18 board configurations
• Compact & Durable: Sturdy PCB construction built to withstand the demands of regular electric vehicle use
• Package Contents: 1 × Hall 502F Sensor Board
• Ideal For: E-bikes, electric scooters, and similar brushless hub motor applications

Why Choose the Hall 502F Sensor Board?

Hall effect sensors are critical to brushless motor performance — they tell the motor controller exactly where the rotor is at any given moment, enabling efficient commutation and smooth acceleration. A faulty or worn sensor board can cause erratic motor behavior, stuttering, or failure to start. Replacing it with a quality Hall 502F board restores proper function quickly and affordably.

For more information on how electric motor sensors work and their role in vehicle electronics, visit the U.S. Department of Energy – Electric Vehicles resource page.

Specifications

• Sensor Type: Hall Effect
• Model Number: 502F
• Compatible Motor: 90-18 Electric Bike Hub Motor
• Package Includes: 1 × Hall 502F Sensor Board

Frequently Asked Questions

Q: What is the Hall 502F Electric Vehicle Sensor Board used for?

A: The Hall 502F Sensor Board is a replacement circuit board used in 90-18 electric bike hub motors. It provides Hall effect-based rotor position sensing, which allows the motor controller to efficiently commutate the brushless motor for smooth, reliable operation.

Q: Which motors is the Hall 502F Sensor Board compatible with?

A: This sensor board is designed for 90-18 electric bike hub motors commonly found in e-bikes and electric scooters that use brushless DC motors. Always verify your motor's board specification before purchasing to ensure compatibility.

Q: What is included in the package?

A: Each order includes 1 × Hall 502F Sensor Board. It is a direct-fit replacement component intended for installation by those with basic electrical or e-bike repair experience.

Q: How do I know if my Hall sensor board needs replacing?

A: Common signs of a failing Hall sensor board include erratic motor behavior, stuttering during acceleration, the motor failing to start, or error codes on your motor controller. Replacing the sensor board is often a cost-effective first step in diagnosing these issues.