The tuning for e-bikes with the newest Bosch Gen4 motor and Smart System SpeedBox 1.1 for Bosch enables you to suppress the speed limiter on your e-bike.

If you want to see correct speed and all riding data during your ride, we recommend choosing SpeedBox 1.1 B.Tuning for Bosch - you can see the real values in our SpeedBox App – right on the display of your phone.

PROPERTIES:
Maximum speed: Unlimited (max 35 km/h recommended)
Speed limit setting: YES
Display shows:
Real speed: NO
Correct travelled distance: After the countdown process is
finished)
Activation/deactivation (do not perform while riding):
WALK function / - + - +
Indication of tuning activation/deactivation: YES (3.5/2.5 km/h)
Compatible with:
All the Smart System displays
All the Smart System motors
Not compatible with:
Bosch Rim Magnet
ABS system
SpeedBox App

We recommend not updating the firmware of your e-bike. Updating increases the risk of tuning detection.
Please disable automatic updates in the eBike Flow App or remove the app completly as the app can disable the tuning chip.

Important Safety & Legal Warning:

Performance Modification: The SpeedBox tuning chip is designed to update and modify your e-bike’s performance settings—altering speed limits and acceleration curves from the original factory configuration.

Firmware Updates Risk: Important: Updating your bike’s firmware while the chip is installed can potentially render the chip inoperable. The update process may conflict with the chip’s modified settings, which could permanently “kill” the chip. To avoid this, always remove the chip or consult with a qualified technician before performing any firmware updates.

Warranty Notice: The installation or use of this product may void your e-bike manufacturer’s warranty.

Legal Compliance: Using a modified e-bike on public roads, cycling paths, or any area regulated by local laws may be illegal. It is your responsibility to ensure compliance with all applicable laws and regulations in your locality.

User Responsibility: By purchasing and installing the SpeedBox tuning chip, you acknowledge that you assume full responsibility for any modifications to your e-bike’s performance. We are not liable for any legal consequences, accidents, or damages that may result.

Professional Installation Recommended: For ensuring safety and optimal performance, this device should only be installed by a qualified technician. Confirm that your bike remains compliant with local safety and traffic laws after installation.

Product Fitment