Onyx Ergo Posture Chair - Blue
Best current price£481.73from Office Stationery
Best offers
Shopping.co.uk recommended and popular offers
Office Stationery£481.73Visit shop Onyx Ergo Posture Chair With Height Adjustable Arms With Headrest
Visit shopOffice Stationery£481.73Visit shop All Offers
4 offers from £481.73 - £856.80
View price history by clicking the chart icon.
Office StationeryOnyx Ergo Posture Chair With Height Adjustable Arms With Headrest
Free delivery in 1–3 days
£481.73
Visit shop
UK Office Direct Posture Chair Kingfisher Colour Seat With Headrest Wit
Free delivery in 1–3 days
£507.28
Visit shop
Posture Chair Kingfisher Colour Seat With Headrest WitFree delivery in 1–3 days£554.06Visit shop →
Viking UKDynamic Onyx Ergo Posture Chair Permanent Contact Fabric Height-Adjustable Armrest Maringa Teal 135 Kg Onyx Ergo 610 X 670 X 1,400 Mm
Free delivery in 1–3 days
£856.80
Visit shop
Product Information
Full details
The Onyx Ergo Posture Chair is designed for office professionals and remote workers who require long-term seating comfort and precise ergonomic adjustments. Its primary benefit is a highly customizable support system that promotes healthy spinal alignment through multi-function levers and pump-up lumbar integration, though it is best suited for users who prefer a structured, firm foam feel rather than a soft, plush seating experience.
All features
| Colour | Blue |
|---|---|
| Model Part Number | KCUP0423 |
| Brand | Onyx |
Extended Product Information
FAQs
Does the chair come fully assembled?
No, the chair requires assembly upon arrival, though all necessary hardware is included.
Can I adjust the angle of the seat independently from the back?
Yes, the triple lever mechanism allows for independent seat and back angle adjustments.
What is the function of the ratchet backrest?
It allows you to adjust the height of the backrest to align the lumbar curve with your lower back.
How do I use the lumbar support?
Use the integrated hand pump to inflate the internal cushion until it reaches your preferred level of firmness.
Is this chair suitable for very tall people?
The seat slide feature and ratchet backrest allow for significant adjustments, making it suitable for a wide range of heights.
Troubleshooting
Backrest feels loose or wobbly
Check the bolts connecting the backrest to the seat mechanism and ensure they are fully tightened.
Lumbar support feels flat
Operate the manual pump mechanism repeatedly until the desired pressure is achieved; check for leaks if air does not hold.
Chair height keeps sinking
The gas lift cylinder may need replacing if it cannot support weight; ensure no debris is stuck in the adjustment lever.
Pros and Cons
Pros
- Comprehensive ergonomic adjustments for personalized fit
- Durable, contoured foam padding that maintains posture support
- Easy-to-use manual lumbar inflation system
- Professional blue finish fits various office aesthetics
Cons
- Requires manual adjustment through levers which may take time to master
- Firm cushioning may be less comfortable for those preferring ultra-soft seating
- Assembly is required upon delivery
Setup, Compatibility & Care
Assembly involves attaching the backrest and seat base to the central gas lift column; ensure all bolts are tightened securely during the initial setup. The chair is compatible with standard office flooring, though the use of a chair mat is recommended on hardwood or tile to protect the wheels. For care, keep the fabric clean by vacuuming regularly to remove dust. If a stain occurs, spot clean immediately with a mild upholstery detergent and a soft cloth. Avoid using harsh chemical cleaners, as they may compromise the fabric integrity. Periodically check the tension on the lever mechanisms to ensure smooth operation.