I bought the mobile stand wheels as early as August, but only now made assessable experiences during the tire change. In short order, the assembly is not an insurmountable problem for a person with right and left hand. Just. The driving bzw.Transportbügel infected quite unstable in its receiving socket. Since I have a well-equipped workshop in the garage, it was no problem to retrofit here and install one on each side 2. Screw and locknut. The sharp edges on the metal parts, which criticized a Rezenzent, I can confirm. It is therefore advisable during installation to wear sturdy gloves to avoid such violations. I assume that this mobile stand is intended for normal users of the 2 times a year his tire change and cope with any departures or mountains needs to come to the scene. For this he is quite Suited and facilitates the transport and storage zBin the garage.