
SpeedBox 3.4 B.Tuning for Yamaha (Crosscore RC, Wabash RT)
Maximum speed: Unlimited · Display shows: Real-time values · 3 ways to activate / deactivate: Via SpeedBox Connect, LIGHT button, or ↑↓↑↓ combination
R6,200
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 3.4 B.Tuning with integrated Bluetooth is a new-generation tuning chip for Yamaha e-bikes. By removing the 25 km/h speed limit you'll enjoy the full performance of your e-bike, and thanks to SpeedBox Connect you get a unique connection between your e-bike and your smartphone — track and record every ride parameter, anytime and anywhere.
Tuning control
Switching from the 25 km/h limit to unrestricted mode and back
SpeedBox Connect
The B.Tuning version with Bluetooth connects your e-bike to your mobile phone
Easy installation
Color-coded connectors with a key ensure correct wiring — anyone can do it themselves
Compatibility
Compatible with e-bikes: Yamaha Crosscore RC, Yamaha Wabash RT
Not compatible with e-bikes: YDX-Moro, YDX-Moro Pro, Yamaha UrbanRush
Compatible with: SpeedBox Connect
Technical specifications
Installation
Installation is easy thanks to color-coded connectors with a key. Choose the option that suits you best — printed manual or a detailed step-by-step picture guide.
Printed manual
The product package includes a printed manual, including the wiring diagram for connecting the chip to the motor
Step by step
The picture guide will walk you through the installation step by step — from removing the motor cover to the test ride. Each step includes photos and a clear description.
Warning
• The use of unlocked e-bikes varies from country to 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 the warranty of your e-bike.
• For your own safety, use appropriate protective gear and ride with maximum caution.







