The synchro mechanism is operated from the levers located under the seat. The sync can be locked and/or unlocked simply pressing the lever. You can also adjust the tension by turning the regulator.
Some models have a dual system to control back support. The first function controls the speed of the return of the backrest by gas cylinder.
The second system controls the locking in any position and controlled return when the user separates the return force of the backrest.
The seat height adjustment is performed through a gas jump. The mechanism is operated by pressing a handle upwards.
The horizontal movement of the seat is to adjust the distance of this relative to the backrest. This suits different users with different anthropometric characteristics.
It has a ratchet mechanism that enables locking in 5 positions. Auto return system moves the seat closest to the backrest when operated without exerting pressure on the seat.
Control system is actuated lumbar support vertically moving the controller. The stretch fabric adapts automatically to each user reinforce the tension at the points where the weight is greater.
The arms can be adjusted vertically by pressing a button under the armrest and has 7 locking positions. There is also the pivotal rotation system 180º which permits rotation of armrest horizontally.
The silent rolling wheels with Teflon give lightness and freshness to the design of the base. Its auto-brake system provides security by preventing the inadvertent movement of the chair. It includes an easy system to unlock the auto return.
There are alternative wheels in black and/or grey finish.