The tilting mechanisms are different.
The T80 chair’s patented mechanism (US8528973) is co-designed with ITO design studio Germany and engineered by SIDIZ, which makes it possible for the chair to support your back more closely when you tilt the chair.
Also, T80 is a bit bigger than T50.
For more information, please visit the SIDIZ website.
|Adjustable Seat||Slide and slope||Slide||Slide and slope|
|Tilt Type||Multi-limited tilt||Multi-limited tilt||Ultimate sync|