Compatible with the following motos: Active Line, Active Line Plus, Performance Line, Performance Line CX including engines of the 4th GEN (Model year 2014 -2020). Works with the latest Bosch update released on 2020 06! SpeedBox 3.0 tuning kit is compatible with the following motors: Active Line, Active Line Plus, Performance Line, Performance Line CX including motors of the 4th GEN (Model year 2014 -2020). After the tuning kit is installed, your e-bike’s display will show real data, such as maximum and average speeds, daily mileage and cruising range. The tuning kit can be activated directly on your bike’s display. After pressing the 'WALK and +' buttons or 'WALK button' or '+-+-' buttons. A value of 9.9 km/h is displayed and from now on you will be able to ride at a speed even more than 50km/h! To deactivate the tuning kit, press the WALK button again. The value of 1.5 km/h will appear on your display and the speed limit will reset to 25km/h. Your e-bike will then work the same as before installation of the chip. When connecting the SpeedBox tuning kit to an e-bike you will find connectors coloured to make installation very simple. We have prepared detailed instructions and videos to make installation easy for you. Disassembly of our tuning kit is just as easy. If you have any troubles with installation or disassembly, do not hesitate to contact us. If you are planning to install SpeedBox on a brand-new bike, make sure you ride it for at least 1 km before the Tuning kit is activated. Customer satisfaction is our top priority. If you have any questions, don't hesitate to contact us. We'll get back to you with an answer straight away. Ebikes Parts and Accessories team