Space-saving storage for bike and rear carriers. The holder is simply screwed to the wall and the carrier is then hooked in as on the trailer coupling. The ball neck (distance from the base plate to the ball head) is 6.5 cm long. It has a trapezoidal base plate with a height of approx. 160 mm and a (max.) width of approx. 175 mm. At the lower edge there are 2 holes with a hole distance of approx. 130 mm (hole center to hole center). There is only one hole on the upper edge. The hole spacing from the top hole (hole center) to the center line of the bottom holes is approximately 120 mm. The distance from the top of the ball to the wall is approx. 105 mm.