A-SYNCRO control with max. 20° (+10° ÷ -10°) inclination of the back and 20° (+5° ÷ -15°) of the seat. The tension of the back can be adjusted according to the user’s weight by turning the easy approachable lateral handle. Both seat and back are equipped with the anti-shock system, which allows back and seat to be comfortably locked in 5 different positions with an innovative and patented cable system that makes the mechanism easy and quick to use, improving the final design of the chair. The cables can be fitted to the right or the left side of the seat and can be positioned so that they do not foul other levers or fitted arms.