The elevator experience what Marysol77 describes, I can only confirm. It went almost from the beginning always down after sitting down. Seller service was good - I was offered to swap the gas pressure spring. But inasmuch as it was possible for me to separate the parts again, I would have to take external help, what had to laboriously me. So I have to dispense with further complaint and the chair now. In the low position as a footrest and tray in use Instead, a better chair've ordered.
Except for the gas spring the chair was actually not bad.
