Experience the core of true ergonomic comfort with our Premium Synchro-Tilt Mechanism imported from China. It provides a smooth recline by moving the backrest at twice the angle of the seat (2:1 ratio), naturally balancing your posture and easing lower back pressure. It reclines up to 130°, locks upright for a steady seat, and features an adjustable tension knob for personalized rocking resistance. Built tough and compatible with most ergonomic chairs, this mechanism delivers reliable, controlled comfort for every task and game.