POLINI HI-SPEED 2 For E-bikes with BOSCH SPEED motors HI-Speed 2 is an electronic device designed for Bosch Performance CX Gen 4 engines from 2020 for e-bikes, in order to increase active assistance from 25 km / h up to 50 Km / h taking full advantage of the performance that the engine can offer.


- Your display will mark the actual speed but half km
- Polini HI-Speed 2 is very easy to install and requires no settings as it self-regulates.
- the assembly takes place in a few minutes and its housing takes advantage of the internal space of the engine cover, making it totally invisible.
- the device does not require a battery as it is self-powered.
- it can be activated and deactivated via the display
- 100% Made in Italy
- Kiox display compatible
- NOT compatible with Nyon display


WARNING! READ THE ASSEMBLY INSTRUCTIONS AND THE USER MANUAL DOWNLOADABLE ON THE '' DOWNLOAD PDF '' KEY IN THE BAR BELOW