Caleb MorganBy Caleb Morgan

Updated November 2026

These edx ergonomic gaming chair instructions walk you through assembling the chair, adjusting its key controls and setting it up so your back, hips and arms stay in a neutral position. Most of the work takes under 30 minutes, and the adjustment steps can be repeated whenever you change desks or move the chair.

Before You Start: Unpack and Check the Parts

Lay the box contents out on a clear floor and compare them against the parts list in the manual. Missing or damaged hardware is easier to resolve before you begin assembly than halfway through.

Shopping for one? See our guide: Top 5 Ergonomic Gaming Chairs with Footrest Picks for Every Need.

  1. Confirm you have the base, five-star hub, gas cylinder, seat, backrest, armrests and any footrest or lumbar pillow included with your model.
  2. Locate the hardware bag and sort the bolts, washers and Allen keys by size.
  3. Clear a workspace large enough to lay the seat face-down without scratching it.

How to Assemble the edx Chair Step by Step

Follow the order shown in your manual, since later steps often depend on earlier ones being tight. Work on a hard, flat surface and avoid forcing any part that does not slide in easily.

Attach the Base and Gas Cylinder

Insert the gas cylinder into the center of the five-star base until it clicks or seats fully. Turn the base upright and confirm the cylinder does not wobble.

Mount the Seat and Backrest

Align the seat pan with the cylinder top and secure it with the bolts listed in your manual. Attach the backrest to the seat frame, then tighten every fastener by hand before using a tool to finish. Overtightening can strip the plastic threads, so snug each bolt evenly rather than fully tightening one before the others.

Install the Armrests and Accessories

Slide the armrests into their mounts and lock the adjustment pins. Add the headrest, lumbar pillow or footrest if your model includes them, following the same snug-first method.

Adjust the Chair for Ergonomic Support

Assembly only gets the chair standing. Proper adjustment is what keeps your posture supported during long sessions. Sit in the chair before you tighten the final adjustments so you can check each setting while your weight is on it.

  • Seat height: Set it so your feet rest flat on the floor with knees level with or slightly below your hips.
  • Backrest recline: Lean back gently and adjust the tension knob so the backrest supports your spine without pushing you forward.
  • Lumbar support: Position the lumbar pillow or adjustable support at the curve of your lower back, not at your belt line.
  • Armrest height: Set the armrests so your shoulders stay relaxed and your elbows sit at roughly 90 degrees with forearms resting lightly.
  • Screen and keyboard: Place the monitor at eye level and keep the keyboard close enough that your wrists stay straight.

Common Mistakes to Avoid

  • Skipping the hand-tightening stage, which can cause uneven gaps between parts.
  • Leaving the seat too high, which compresses the back of your thighs and cuts circulation.
  • Setting the lumbar support too high, which pushes the upper back forward.
  • Raising armrests so high that the shoulders hunch.
  • Ignoring squeaks or loose parts after the first week, when a quick recheck of bolts usually fixes them.

A footrest helps keep your feet supported if your desk is too high for a flat-floor seat height, and a sturdy desk chair mat protects flooring when you roll the chair. A basic Allen key set makes it easier to tighten hardware without stripping bolts.

  • Footrest for desk chairs: helps you keep feet supported when the seat is set at the right height for your hips. View on Amazon
  • Chair mat for hard floors: protects flooring and lets the casters roll smoothly. View on Amazon
  • Allen key set: a useful tool for tightening the bolts in the hardware bag. View on Amazon

If you are comparing this chair against other models, Gaming Chair vs Ergonomic Chair (2026): Which Is Better for Your Desk? explains the main structural differences, and What Makes a Chair Ergonomic: 6 Features to Check Before You Buy covers the features worth checking on any model.

FAQ

How long does it take to assemble the chair?

Most people finish assembly in under 30 minutes with the included tools. Allow extra time if the parts need to be sorted first.

Where should the lumbar support sit?

It should fit into the natural inward curve of your lower back, usually a little above your belt line. Adjust it while seated so you can feel where your spine is supported.

What if my edx chair squeaks after setup?

Squeaks usually come from loose bolts or joints. Recheck each fastener and tighten gently. If pain or discomfort continues, consult a physical therapist or healthcare professional.

Conclusion

Following these edx ergonomic gaming chair instructions gives you a solid assembly and a setup that supports a neutral posture. Revisit the adjustments every few weeks, since small shifts in seat height or recline can change how the chair feels over time.

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Caleb Morgan

About Caleb Morgan

Caleb Morgan is part of our editorial team and reviews and edits our fitness at work guides, checking product details against manufacturer specifications and owner feedback.