● when changing to a tyre with significantly different dimensions. The correct new circumference has to be entered in the FIT System. Otherwise the wrong speed will be shown on the display. The legally allowed maximum assisted speed (25/45 km/h) will also be shifted accordingly.

● if the number of teeth on the rear belt/chain sprocket is changed (Hack-Protection triggers)

● for oil change every 10,000 km. 

● for an update of the system.

● if error messages occur that cannot be rectified by the measures indicated in the display or by restarting the bike

● We also strongly recommend that new bikes undergo an initial inspection by a specialist dealer within the first approx. 300 km or after approx. 2 months at the latest.