Overview
The 37F17MB speed controller is a dedicated PCB sensor board engineered for electric bicycles and scooters. This 37F17MB unit combines sensor detection with control circuitry to manage motor acceleration and speed regulation. The integrated wiring harness enables direct connection between the motor and battery system, ensuring consistent power delivery and responsive speed adjustment.
Key Features
- Integrated speed sensor with PCB-mounted detection circuitry
- Direct motor speed control with smooth acceleration ramps
- Compact PCB design optimized for e-bike and scooter frames
- Pre-wired sensor connectors for simplified installation
- Supports standard 24V and 36V e-bike battery systems
Technical Specifications
Typical operating parameters for this e-bike/scooter speed controller are detailed below. Verify voltage and connector compatibility with your specific vehicle platform before ordering.
- Input Voltage: 24V–48V DC (dependent on e-bike system)
- Sensor Type: Hall-effect or optical speed detection
- Output Signal: PWM motor control (adjustable frequency)
- Operating Temperature: 0°C to 50°C
- PCB Dimensions: Standard e-bike controller form factor (approximately 80 mm × 60 mm)
- Connector Type: 3-pin or 4-pin JST/XT connectors (verify with application)
- Weight: Approximately 50–80 grams
- Housing: Sealed plastic enclosure with thermal relief
Typical Applications
The 37F17MB speed controller is commonly used in:
- Direct-drive hub motor e-bikes
- Geared motor electric bicycles
- Electric kick scooters and stand-up scooters
- Lightweight electric personal mobility devices
- DIY e-bike conversion kits and retrofit projects
Compatibility & Replacements
Compatible With
- 24V and 36V e-bike battery packs
- Brushless hub motors (rear-wheel or mid-drive)
- Standard e-scooter motor systems
- Hall-effect sensor motor feedback loops
Replaces / Drop-In Replacement For
Verify compatibility with your original controller model before ordering. The 37F17MB is designed as a direct replacement for select e-bike and scooter speed controller assemblies. Confirm connector type and voltage specifications match your existing system.
Works With
- Standard e-bike battery management systems (BMS)
- Throttle-based and pedal-assist speed control inputs
- Brushless motor commutation circuitry
- Common e-scooter control protocols







