Aside from the prompt delivery and the low price I was slightly skeptical due to some reviews, it comes now assembling and practicality. The assembly of the first carrier took me actually a few brief comments, because although ultimately satisfactory explanation from the company Thule is not foolproof as an Ikea instruction, but actually logical thinking requires -. But once you understand it, that the metal clips from top be threaded and then used below for bracing, then everything else is highly simplistic - even the onset of the cylinder lock is quite simple with some thought and close observation of the opening because it only releases the lock by wiggling and then install the cylinder only can. What writes one or the other with respect to dissolving parts during the acceptance of the carrier, she will not reveal to me the best of intentions. Sure, if I schlenkere the carrier after removal from the base support as goofy back and forth, the best yet in all axes, then it can happen in theory that the metal clasp overcomes somehow back from the opening, but seriously, who does because something like that. I take the carrier off, close the clasps and place the whole on the shelf until the next time, as falls in a hundred years out of nothing. All in all, from all sources, which I had so far (and with the old cars always passed) the absolute best and most elaborate - the assembly of the second carrier took the way then only 5 minutes! So from me a clear recommendation!