1. Introduction
Thank you for choosing the FLEXISPOT ErgoX Premium Ergonomic Office Chair. This manual provides essential information for the proper assembly, operation, and maintenance of your new chair. Please read these instructions carefully before use to ensure optimal performance and longevity of your product.
2. Safety Information
WARNING:
- Assemble and use with caution.
- Do not exceed the maximum weight capacity of 400 pounds.
- Keep away from heat sources.
- Follow care instructions to prevent damage or injury.
3. Included Components
Before assembly, ensure all components are present:
- Armrest
- Headrest
- Wheels
- Lumbar support
- Seat
- User manual
- Assembly tools
4. Setup and Assembly
Follow the steps below to assemble your FLEXISPOT ErgoX chair. It is recommended to have a clear, spacious area for assembly.
4.1. Installation Guide Video
Video Description: This official FlexiSpot installation guide video demonstrates the step-by-step assembly process for the ErgoX chair. It covers connecting the chair base, installing wheels and the gas lift, attaching the backrest, installing the footrest, armrests, and mechanism, and finally, connecting the seat to the base and installing the headrest.
4.2. Step-by-Step Assembly (Visual Aid)
For detailed visual instructions, please refer to the installation guide video above. The general steps are:
- Install Chair Base: Connect the 5 legs to the base using the provided screws and wrench.
- Install Wheels and Gas Lift: Attach the 5 wheels and insert the gas lift into the chair base.
- Install Back: Connect the keel to the backrest using screws and cover the holes.
- Install Footrest: Connect the footrest parts to the seat using screws.
- Install Armrest: Connect the armrests to the seat using screws.
- Install Mechanism: Connect the mechanism to the seat using screws.
- Install Back to Seat: Connect the keel of the back to the mechanism using screws.
- Put The Seat To The Base: Place the assembled seat onto the gas lift.
- Install Headrest: Insert the headrest into the backrest.
5. Operating Instructions
Your FLEXISPOT ErgoX chair offers extensive adjustability to ensure personalized comfort and ergonomic support.
5.1. Headrest Adjustment

Image Description: A close-up view of the 3D adjustable headrest, illustrating its vertical (2.8 inches up & down) and rotational (45 and 60 degrees) movement capabilities. This allows for precise neck and head support.
The 3D adjustable headrest can be moved up/down and rotated to accommodate your head and neck from multiple angles, providing continuous and effective support.
5.2. Lumbar Support Adjustment

Image Description: A visual representation of the 3D dynamic lumbar support, showing its 5-level height adjustment and adaptive angle feature. The image highlights how the lumbar support moves to conform to the user's back.
The dynamic lumbar support offers 5-level height adjustment and adaptive angle to provide optimal comfort and support for your lower back during long sitting periods. Adjust the knob to increase or decrease the firmness of the lumbar support.
5.3. Armrest Adjustment

Image Description: A detailed view of the 3D adjustable armrests, showing their movement ranges: 2.8 inches up & down, 1.4 inches front & rear, and 60 degrees rotation. A hand icon indicates where to press for adjustment.
The 3D armrests are fully adjustable in height (up/down), forward/back, and swivel (60 degrees) to allow for precise positioning, reducing arm strain during extended use. Press the button on the side of the armrest to adjust its position.
5.4. Seat Depth Adjustment

Image Description: An illustration demonstrating the seat depth adjustment mechanism, showing the seat moving forward by 1.2 inches. A hand icon points to the lever used for this adjustment, emphasizing the 'waterfall design' to reduce leg pressure.
Adjust the seat depth from 17 to 20 inches using the lever located under the seat. This waterfall design helps reduce leg pressure and ensures a customized fit.
5.5. Seat Height Adjustment
The seat height can be adjusted from 20.1 to 22.4 inches. Use the lever located under the seat to raise or lower the chair to your desired height.
5.6. Recline and Tilt Function

Image Description: The chair reclined to its maximum 135-degree angle, with labels pointing to the back angle adjustment and tilt tension controls. This shows the chair's capability for three postures to meet different needs.
The chair offers 3 reclining positions, allowing for a maximum recline of 135 degrees. Use the levers under the seat to adjust the back angle and tilt tension for optimal relaxation or focused work.
5.7. Optional Footrest
If your model includes the optional retractable footrest, pull it out from under the seat for added relaxation, perfect for breaks or reclined seating.
6. Maintenance
To ensure the longevity and appearance of your FLEXISPOT ErgoX chair, follow these maintenance guidelines:
- Cleaning: For the mesh material, dry clean only. Avoid harsh chemicals that may damage the fabric.
- Inspection: Periodically check all screws and connections to ensure they are tight. Retighten if necessary.
- Movement: The smooth-rolling casters are designed for various surfaces. Keep them clean to ensure effortless movement.
7. Troubleshooting
If you encounter any issues with your FLEXISPOT ErgoX chair, please refer to the following common solutions or contact customer support.
- Squeaking/Noise: Check all bolted connections and tighten if loose. Applying a small amount of silicone lubricant to moving parts may also help.
- Difficulty Adjusting: Ensure no obstructions are blocking the adjustment mechanisms. Refer to the operating instructions for proper lever usage.
- Chair Not Rolling Smoothly: Check casters for trapped debris (hair, dust, etc.) and clean them thoroughly.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | FLEXISPOT |
| Model Name | Ergonomic Executive Chair (ErgoX) |
| Product Dimensions | 25.6"D x 25.6"W x 52.4"H |
| Maximum Weight Recommendation | 400 Pounds |
| Material | Mesh |
| Seat Height | 20.1 - 22.4 Inches (Adjustable) |
| Seat Depth | 17 - 20 Inches (Adjustable) |
| Reclining Position Count | 3 (Max 135 degrees) |
| Arm Style | 3D Adjustable, Padded |
| Product Care Instructions | Dry Clean |
| Included Components | Armrest, Headrest, Wheels, Lumbar support, Seat, User manual, Assembly tools |
9. Warranty and Support
FLEXISPOT is committed to providing high-quality products and excellent customer service. For any inquiries, troubleshooting assistance, or warranty claims, please contact FLEXISPOT customer support.
- Return Policy: Returnable until Jan 31, 2026.
- Customer Support: Visit the FLEXISPOT Store or refer to the contact information provided with your purchase.