bosch performance line cx

bosch purion turning on/off , does not respond to commands,i have to turn off motor by battery buton,and motor doesn t work,no error code appears

I have posted this on the general forum in the hope of reaching as many Bosch powered bike owners as possible. About a year to 18 months ago, Bosch started supplying and fitting a felt seal. It fitted behind the circlip on the right hand side of the crankshaft, in the space between the...

It took 4hours to change from Purion to Kiox