
SpeedBox 3.6 for Yamaha (PW-X4)
Maximum speed: Unlimited (depends only on pedaling cadence) · Display shows: Real values · 2 activation / deactivation methods: LIGHTS button or ↑↓↑↓ buttons
R4,200
Incl. 15% VAT
In stock — ships from Gauteng
Courier delivery in 1–3 business days to main centres.
10 min fitment
Removable
OEM plugs
This module allows assistance above 25 km/h. A bike modified this way is treated as a moped and may only be used on private land or closed circuits — never on public roads.
Product details
Get to know your SpeedBox
Product information from SpeedBox. Confirm compatibility before ordering.
Key features
SpeedBox 3.6 tuning chip for e-bikes with motors Yamaha PW-X4 enables to select speed limit of your own choice. After the chip is installed, your e-bike’s display will show real data, such as maximum and average speeds, daily mileage and cruising range.
Tuning control
Switching from the 25 km/h limit to unlimited mode and back
Easy installation
Thanks to clear instructions including a video, anyone can handle the installation
Compatibility
Motors: Yamaha PW-X4
Displays: A, B, C, X, Ergo 900
Technical specifications
Installation
Installing the device is easy and intuitive. Choose the option that suits you best – a video guide, a printed manual, or a detailed step-by-step picture guide.
Video guide
Detailed installation and tuning activation steps can be found on our YouTube channel
Printed manual
Inside the product package you will find a printed manual including a wiring diagram for connecting the chip to the motor
Step by step
The illustrated guide will walk you through the installation step by step — from removing the motor cover to the test ride. Each step is accompanied by photos and clear explanations.
Warning
• Rules for using derestricted e-bikes vary by country, so check local legislation before riding.
• SpeedBox is intended for off-road use only and you use it at your own risk.
• The manufacturer is not liable for damage caused by illegal or improper use.
• Installation may also void your e-bike warranty.
• For your safety, use appropriate protective gear and ride with maximum caution.







