FAQ — Flexer Pro Ergonomic Chair

How to Adjust the Seat Height

  • Rotate the adjustment handle located at the bottom of the seat to raise or lower the seat height.
  • To lower the seat: operate the handle while sitting.
  • To raise the seat: operate the handle while standing.

How to Adjust the Seat Cushion Depth

  • The seat cushion adjustment lock is located in the groove under the left side of the seat.
  • Firmly hold the release mechanism with four fingers.
  • While maintaining pressure, slide the seat cushion forward or backward to your desired position.
  • Release the mechanism to secure the cushion in place.

How to Adjust the Seat Tilt Angle

Activate Tilt Function:
  • Rotate the handle to the Unlock (tilt backward) position to enable free tilting.
Angle Lock (95° → 105° → 115° → 130°):
  • Lean back slowly to your preferred angle.
  • Rotate the handle to the Lock position to secure the tilt angle.
Unlock a Tilted Position:
  • Apply gentle backward pressure to release the tilt lock.
  • Pull out the adjustment lever to readjust the angle.

How to Adjust Backrest Tilt Resistance

  • Use the tension knob under the seat to adjust tilt resistance.
  • Clockwise: increases resistance
  • Counterclockwise: decreases resistance

How to Adjust the Armrests

Height Adjustment:
  • Grip the height adjustment lever under the armrest and lift to your desired height.
Angle Adjustment:
  • Grip the armrest and move it left or right to adjust the angle.
  • The armrest angle cannot be locked—it remains freely adjustable.

How to Adjust the Lumbar Support

  • The lumbar support uses a dual-zone independent design.
  • Upper and lower zones can be adjusted separately for ideal support.
  • Designed to fit users of varying heights.
  • The lumbar support can be removed if it causes discomfort.