1. The handlebar is fixed only on a splint. By cheap construction has the handlebars game, with the result that a direct steering is not possible.
2. The seat is smooth and inclined downwards, with the result that one permanent sliding forward.
3. The bottom bracket was broken after a short time, which has been felt by a larger freewheel in Vorwährtsrichtung. Characterized a liquid Vorwärskommen is no longer possible. The feet slip through the resulting jerk while pedaling thus constantly from the pedals because the counterpressure while pedaling suddenly breaks away and shortly thereafter is available again.
This was our second (and last) Product of Kettler. Previously, the good times ...