The stand was delivered quickly and arrived with a bent screw. As the function for detecting the horizontal pipe was impaired niocht, I decided to keep the stand. Unfortunately you have to attract extremely tighten the screw so that the horizontal bar is not twisted at a head or back-heavy suspension of the wheel. I'll all soon underpin something with a rubber hose. Otherwise, everything is stable and firm. Strong buy recommendation.
PS. The frame mounts I lined with a cloth so that there are no scratches on the (new) wheel. The rubber jaws I dare not quite