Knowledgebase

48V Motor Hall effect sensor issue responseOur controller works with the motor’s Hall effect sensor to see the position of the rotor, so you can have hard acceleration immediately.If the Hall effect sensor fails, the controller will still be able to find the position of the motor. However, you migh...

The brushes inside these motors are a consumable part and can wear after time.the brushes can also slip out of place, when this happens the motor can be completely stuck in one position, or very stiff and hard to turn.This can also happen when the motor has been left wet and rusts.To test if the mo...

If the mode select button is not functioning, this can be tested/confirmed with a multimeter by testing for continuity when the button is pressed. T‍his is for the button, not the connection T‍his is not for when the button is stuck and cycling through the mode selection.

The capacitors inside the charger can fail for a number of reasons, as a result they will start to buldge slightly due to the expansion of the gases inside, in some cases, the capacitors still operate, although not very well, this will reduce the maximum voltage produced by the charger. O‍ur capac...

This only applies to bikes manufactured with the new system (2019) When the base for the magnet fails, a signal will be sent indicating that the magnet is in its place and the bike should turn on. This is true when connected to the battery or the controller. T‍he mag switch will show continu...

If the lights on the throttle are flashing when the bike is turned on, this could indicate a controller or throttle issue. T‍he first step is to try the factory reset procedure. If the flashing is still present and the controller seems to be working normally (See, testing a 24V & 36V controller) ...

Hero ForksFor the locked fork, take a look at the other side that the air is on, (the air shouldn’t be pumped more than 100PSI as this can damage the forks)The blue screw lock should be seated tightly onto the forks with no movement, it should not be able to do a full rotation, if it is rotating mo...

This article is for the Kuberg Start, Cross, Cross Hero, Trial & Trial Hero Bikes with new batteries require a longer initial charging period, this is to properly format the batteries for use. You can find information on Battery use, care and maintenance on page 36 of your Kuberg Start manual. ...

Upper and lower headtube clamp bolts - 6.5Nm Stem/ Handlebar clamp bolts - 8Nm ‍Rear-axle bolts - 60Nm Swingarm bolts - 50Nm (W/Locktight) S‍eat/Subframe bolt rear - 14Nm S‍eat/Subframe bolt front - 5Nm B‍rake disc bolts - 6Nm (W/Locktight) S‍procket bolts - 8Nm ‍Motor bolts - 10Nm

1. Disconnect the battery from the bike, make sure the +/- as well as the heat sensor cable is disconnected. 2. Attach the charger to the battery, the battery does not need to be fully charged, the act of attaching the charger is what resets the BMS. 3. Connect the +/- cables to the battery 4. C...