When assembling I noticed, however, that the bar is completely distorted and the lower, straight bar does not fit (there are two parts to stick together and twist, but the place did not fit exactly together ---> the holes for the screws on the left and right were not aligned in the same ...)
The assembling was really nerve-racking because it has virtually nothing mated as already mentioned.
With a bit of violence, I could finally finish the rod and set building on the doorframe. With the small securing the rod looks very stable, they have not yet long and therefore can not say anything about the longevity.
The foam grips stink totally, I hope the smell does wear off with time!
Conclusion: acceptable pull-up bar for beginners, but nothing special ...