SpeedBox 3.0 tuning chip for Bosch Gen 2, Gen 3 and Gen 4 e-bike motors with square connectors. Removes the factory assistance speed limit, displays real riding values and allows a custom maximum speed setting. Not compatible with Bosch Smart System (BES3). Intended for off-road and private-property use only.

Full product description

Unlock the full potential of your Bosch-powered e-bike with the SpeedBox 3.0 tuning chip.

SpeedBox 3.0 is designed for Bosch Gen 2, Gen 3 and Gen 4 e-bike motors. Once activated, it removes the factory assistance speed limit while allowing the e-bike display to show real riding values. A custom maximum assistance speed can also be set.

The chip is installed directly into the motor using original-style, color-coded connectors. The connectors have different shapes to help ensure correct installation.

COMPATIBILITY

Compatible with the following Bosch motor systems with square connectors:

Compatible with retrofit display systems including:

IMPORTANT: NOT COMPATIBLE WITH BOSCH SMART SYSTEM

This SpeedBox 3.0 version is not compatible with Bosch Smart System/BES3 motors, which use round connectors. Please check the motor connectors before ordering. If your e-bike has round Smart System connectors, this is not the correct product.

KEY FEATURES

INSTALLATION AND OPERATION

Installation requires access to the e-bike motor and basic tools. A printed manual with a wiring diagram is included. Installation instructions and videos are also available through the official SpeedBox Tuning channels.

For a new e-bike, ride at least 6.2 miles/10 km before installing the chip.

For trouble-free operation:

Malfunctions caused by e-bike motor or system software updates may not be covered by the product warranty.

PACKAGE CONTENTS

LEGAL AND SAFETY NOTICE

This product is intended for off-road use and use on private property only, where permitted by law. Installing a tuning device may change the legal classification of the e-bike and may make it illegal to operate on public roads, bike paths or other public areas.

Laws governing modified e-bikes vary by country, state and locality. The buyer is responsible for checking and complying with all applicable laws before installation and use. Installation may also affect the e-bike manufacturer’s warranty.

Always wear appropriate protective equipment and ride responsibly. The manufacturer and seller are not responsible for illegal or improper use of the product.