... Enttäsuchend. For slightly heavier people safe ungeeeiget because the substructure determined by suppressed. I myself weigh not even 50 kilos and the pad are strongly after. The tilt mechanism can I forget, I'm just too easy. If I get a lot of momentum and I firmly clamp with your feet down, it goes (-:
In addition, the height adjustment mechanism broke. I do not know how, probably the spring is broken inside. I sit on this chair not even 2 hours a day, and the part is broken? 2 stars for the optics. That's about it.