Free shipping from 70€ within Germany & 150€ worldwide. Tuning for private property only. Products are not covered by § 22a StVZO.

SpeedBox 1.0 for Panasonic (GX series)

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Activation: Always active
Maximum speed: 50 km/h
Display: half values
Compatible with engines:
GX Ultimate
Not compatible with: SpeedBox App

If you update the software of your e-bike, first uninstall the SpeedBox from the e-bike, update the software, reinstall the SpeedBox in the e-bike.

Basic tuning chip for your e-bike with Panasonic motor.

With SpeedBox 1.0 you can double the speed limit of an e-bike from originally 25 km/h to 50 km/h. When you use them, your display shows half of the actual speed, as well as the duration of the ride and other values.

How does the SpeedBox 1.0 work?

The SpeedBox 1.0 for Panasonic is always active when mounted on an electric bike. No need to delay turning on and off.


Anyone can do the fitting of a chip in an e-bike with simple tools! We've written detailed instructions so you can install it from the comfort of your own home. Removing the tuning chip is as easy as installing it. If you have some assembly problems, don't hesitate to contact us.

If you want to install a SpeedBox on a brand new bike, you need to ride that bike at least 1km before you start the chip for the first time.

Download instructions


Please note that operating pedelecs modified in this way on the road may conflict with the laws in force in some countries. The manufacturer assumes no responsibility for damage resulting from the use of SpeedBox products. E-bikes equipped with SpeedBox products may not be used on roads, cycle paths and public areas. E-bikes equipped with SpeedBox products may only be used at your own risk and under your own ownership. Using SpeedBox products may void your e-bike warranty.

We recommend the use of additional safety features and protective products to avoid injury.