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Chair Mechanisms - Asynchronous Control

Asynchronous Control Diagram

This feature includes three levers intended to adjust the angle of the back relative to the seat and control tilt and forward tilt in free floating or locking positions. This mechanism allows a diverse range of movement, spinal alignment and weight distribution. We selected a couple of our favorite chairs with this feature below.

This mechanism guide is designed to provide information about chair functions and features so you can make an informed decision based on your needs, preferences and styles. For more information on other chair mechanisms, check out our chair buying guide.


HON 7700 Chair

HON® 7700 Series High-performance Task Chair

This swivel task chair features stain resistant fabric that is sloped and contoured with a cushioned foam seat and polymer back for extra comfort and structure. Three levers provide asynchronous control, making it built to adjust to user preferences, including control of the back angle in relation to the seat and tilt and forward tilt in free floating or locking positions.



HON Crio Chair

HON® Crio Mid-Back Task Chair

Use all your resources. This mid-back task chair was designed to be useful. Featuring a cool mesh back and curved seat, this chair compliments all workspaces, maintaining a clean, professional aesthetic. This chair offers effortless maneuverability with a five-star base and 360-swivel, and three-lever, asynchronous control makes it highly adjustable and customizable, for easy adjustment of posture by modifying the back angle.