1. Introduction
Thank you for choosing the VITESSE Executive Heavy Duty Office Chair. This manual provides essential information for the safe assembly, proper operation, and effective maintenance of your new chair. Please read these instructions thoroughly before assembly and retain them for future reference.
2. Safety Information
Important Safety Warnings:
- This product has a maximum weight capacity of 400 lbs. Do not exceed this weight limit to prevent damage to the chair and potential injury.
- Exercise caution when using the adjustable features and footrest to avoid pinching or other injuries.
- Ensure all bolts and screws are securely tightened before use. Periodically check and re-tighten as necessary.
- Keep children and pets away during assembly. Small parts may pose a choking hazard.
- Do not stand on the chair or use it as a step stool.
- Use the chair only for its intended purpose as an office or gaming chair.
3. Package Contents
Before beginning assembly, verify that all components are present and undamaged. If any parts are missing or damaged, please contact VITESSE customer support.

Image: Exploded view of the VITESSE Executive Office Chair with labeled parts and key dimensions. This diagram illustrates the various components included in the package, such as the backrest, seat cushion, armrests, gas lift, base, and wheels, along with overall chair dimensions and weight capacity.
The package typically includes:
- Backrest
- Seat Cushion with Armrests (pre-attached)
- Footrest Assembly
- Gas Lift Cylinder
- Star Base
- Casters (5 pieces)
- Mechanism Plate
- Hardware Pack (screws, washers, Allen wrench)
- Instruction Manual (this document)
4. Assembly Instructions
Follow these steps carefully to assemble your VITESSE Executive Office Chair. It is recommended to assemble the chair on a soft, clean surface to prevent damage.
- Attach Casters to Base: Insert each of the five casters into the holes at the end of each leg of the star base. Push firmly until they click into place.
- Install Gas Lift: Place the gas lift cylinder into the center hole of the assembled star base. Ensure it sits securely.
- Attach Mechanism Plate to Seat: Align the mechanism plate with the pre-drilled holes on the underside of the seat cushion. Ensure the front of the mechanism faces the front of the seat. Secure with the provided screws and tighten with the Allen wrench.
- Connect Backrest to Seat: Align the backrest's mounting brackets with the corresponding holes on the rear of the seat cushion. Secure with screws.
- Attach Footrest: Slide the footrest assembly into the designated slots on the underside of the seat mechanism. Ensure it moves smoothly.
- Connect Seat Assembly to Gas Lift: Carefully place the assembled seat and backrest onto the gas lift cylinder, ensuring the center hole of the mechanism plate aligns with the top of the gas lift. Press down firmly to secure.

Image: Overview of the chair's main features, including the extended backrest for full body support, the reclining mechanism, the retractable footrest, and the robust metal base designed for heavy-duty use up to 400 lbs.
5. Operating Instructions
Your VITESSE Executive Office Chair offers several adjustable features to customize your seating experience.
5.1. Seat Height Adjustment

Image: Close-up of the chair's control levers, indicating the adjustable seat back (recline) and adjustable height functions. The height adjustment lever is typically located on the right side under the seat.
- To raise the seat: While seated, lift the height adjustment lever (typically on the right side) and slightly lift your weight off the seat. The seat will rise. Release the lever at the desired height.
- To lower the seat: While seated, lift the height adjustment lever. The seat will lower under your weight. Release the lever at the desired height.
5.2. Backrest Recline Adjustment

Image: Illustration demonstrating the chair's adjustable recline feature, allowing the backrest to be set at angles from 90 degrees (upright for work) to 160 degrees (relaxed position).
- To recline the backrest: Pull the recline lever (typically on the left side) upwards. Lean back to the desired angle (between 90° and 160°). Release the lever to lock the backrest in position.
- To return to an upright position: Pull the recline lever upwards and lean forward. The backrest will return to its upright position. Release the lever to lock.
5.3. Retractable Footrest
- To extend the footrest: Pull the footrest assembly outwards from under the seat.
- To retract the footrest: Push the footrest assembly back under the seat until it is fully stored.

Image: The VITESSE Executive Office Chair positioned in a modern office environment, showcasing the retractable footrest fully extended for user comfort. The chair is black with quilted accents.
6. Maintenance
Proper maintenance will extend the life and appearance of your VITESSE office chair.
- Cleaning: For the bonded leather upholstery, wipe clean with a soft, damp cloth. Avoid harsh chemicals or abrasive cleaners, as these can damage the material.
- Hardware Check: Periodically inspect all screws and bolts to ensure they remain tight. Re-tighten any loose fasteners to maintain stability and safety.
- Caster Care: Keep casters free of hair, dust, and debris to ensure smooth movement. You may occasionally need to clean them with a small brush or vacuum.
- Avoid Direct Sunlight: Prolonged exposure to direct sunlight can cause the upholstery to fade or crack. Position the chair away from direct sunlight when possible.
7. Troubleshooting
If you encounter any issues with your chair, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Chair does not adjust height. | Gas lift cylinder malfunction or lever not engaged. | Ensure the height adjustment lever is fully engaged. If the issue persists, the gas lift may need replacement. Contact support. |
| Chair squeaks or wobbles. | Loose screws or connections. | Check and re-tighten all assembly screws, especially those connecting the seat to the mechanism and the backrest. |
| Casters do not roll smoothly. | Debris caught in casters. | Turn the chair over and remove any hair, dust, or debris from the caster wheels. |
| Backrest does not recline or lock. | Recline mechanism jammed or lever not engaged. | Ensure the recline lever is fully engaged. Check for any obstructions around the mechanism. |
8. Specifications
Key specifications for the VITESSE Executive Heavy Duty Office Chair (Model VDX-MBSBFT-BLK):
- Model Name: VDX-MBSBFT-BLK
- Brand: VITESSE
- Color: Black
- Product Dimensions: 25.59"D x 20.28"W x 47.44"H
- Item Weight: 37.5 pounds
- Maximum Weight Capacity: 400 lbs
- Material: Bonded Leather (Upholstery), Foam (Fill Material)
- Special Features: Adjustable Height, Adjustable Recline (90°-160°), Retractable Footrest, Lumbar Support, Headrest
- Furniture Base Movement: Swivel, 360° Rotating Casters
- Recommended Uses: Office, Gaming
- Care Instructions: Wipe Clean (for leather)

Image: A composite image showing the VITESSE Executive Office Chair from the front and a reclined side view with the footrest extended. This highlights the overall design and functionality.
9. Warranty and Support
For warranty information or technical support, please contact VITESSE customer service. Keep your purchase receipt and model number (VDX-MBSBFT-BLK) handy when contacting support.
You can visit the official VITESSE store for more information: VITESSE Store on Amazon