Overview: The e-bike is hip. It has become an indispensable part of the cycle path and, especially since the arrival of the fat bike, more and more young children are cycling on it. Is that wise? Can children's brains handle the speed of an e-bike? Pointer takes children and fat bikes onto the cycle path and tests the consequences of the e-bike for the safety and health of young people. Should we protect young people against the risks that the technological progress of cycling entails or should we teach them to deal with it?