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Onyx Ergo Posture Chair Black Bonded Leather Without Headrest With Arms Ref OP000099



The Onyx chair is a fresh, contemporary office chair that offers a range of inspired features such as a multi-functional asynchronous mechanism with multiple adjustments and a contoured foam seat and back for extra support and comfort. The Onyx is a top choice for a posture task chair.

  • Contoured foam seat and backrest for maximum user comfort
  • Triple lever multi-function mechanism
  • Ratchet height adjustable backrest
  • Pump up lumbar support
  • Seat slide
  • Height adjustable arms
  • Brushed aluminium 5 star base
  • UK crib 5 foam and fabric
  • Gas lift tested up to: 150 kg
  • Usage: 24 hours


Arm Type Adjustable Height
Arms Included Yes
Back Height (mm) 590-640 mm
Back Type High
Back Width (mm) 430 mm
Brand Onyx
Colour Black
Colour Finish Black
Guarantee (Years) 5 Years
Material Bonded Leather
Max Weight Capacity (kg) 146 kg
Mechanism Gas Height Adjustment
Seat Angle Adjustment
Adjustable Headrest
Free Float Back
Seat slide
Height Adjustable Back
Independent Seat
Adjustable Lumbar Support
Integral Lumbar
Tilt Tension Adjustment
Seat Depth Adjustment
Pack Size 1
Recommended Usage (hours) 24 Hours
Seat Depth (mm) 470-540 mm
Seat Height (mm) 490-590 mm
Seat Width (mm) 450 mm
Weight (kg) 23 kg
(£570.28 Incl. VAT )
£ 475.23
Save 30% off RRP
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