Product Overview
The WALI GSMU001XL is a heavy-duty single monitor gas spring desk mount designed to support ultrawide or curved LCD/LED screens ranging from 17 inches to 49 inches. It can hold monitors weighing up to 44 lbs and is compatible with VESA mounting patterns of 75x75mm and 100x100mm. This mount offers full adjustability for optimal viewing angles and includes integrated USB Type-C and USB Type-A 3.0 ports for convenient connectivity.
The mount features a two-stage locking system, supporting both C-clamp and Grommet Base installations on desks with a thickness between 0.47 inches and 1.97 inches.
Package Contents
Before beginning installation, please ensure all components are present and undamaged. If any parts are missing or damaged, contact WALI customer support.
- 1 x WALI Ultrawide Monitor Desk Mount (GSMU001XL)
- Mounting Hardware Kit (screws, washers, spacers, Allen wrenches)
- User Manual
Setup and Installation
Follow these steps carefully to install your WALI GSMU001XL monitor mount. Two installation methods are available: C-clamp and Grommet Base.
Step 1: Choose Mounting Method
Determine whether to use the C-clamp or Grommet Base. Both methods are compatible with desk thicknesses from 0.47 inches to 1.97 inches.

Step 2: Assemble the Base and Arm
Assemble the base according to your chosen mounting method (C-clamp or Grommet Base). Attach the lower arm section to the base.
Step 3: Attach VESA Plate to Monitor
Attach the VESA plate to the back of your monitor using the appropriate screws from the hardware kit. Ensure the screws are tightened securely but do not overtighten.
Step 4: Mount Monitor to Arm
Carefully slide the monitor (with the attached VESA plate) onto the upper arm section. Ensure it locks into place. It is recommended to have assistance when mounting heavier monitors.

Step 5: Connect USB Cables
Connect the integrated USB Type-C and USB Type-A 3.0 ports on the mount to your computer using the provided cables. Route cables through the arm's cable management channels for a tidy setup.

Operating the Monitor Arm
The WALI GSMU001XL monitor arm offers extensive adjustability to achieve an ergonomic viewing position.
Adjusting Monitor Position
The arm allows for the following movements:
- Tilt: Adjust the monitor angle from +50° to -20°.
- Swivel: Rotate the monitor horizontally up to +90°/-90°.
- Rotation: Rotate the monitor 360° to switch between landscape and portrait modes.
- Height Adjustment: The gas spring arm allows for a height range of 9.09 inches to 19.69 inches.
- Extension: The arm can extend up to 21.93 inches.

Gas Spring Tension Adjustment
The gas spring tension must be adjusted to match your monitor's weight for proper balance and movement. Use the provided Allen wrench to adjust the tension screw located on the arm.
- To adjust for lighter monitors or if the monitor floats up: Turn the tension screw clockwise.
- To adjust for heavier monitors or if the monitor sags down: Turn the tension screw counter-clockwise.
Adjust gradually until the monitor stays in position when released.

Maintenance
To ensure the longevity and proper function of your WALI monitor arm, follow these simple maintenance guidelines:
- Cleaning: Wipe the arm and base with a soft, damp cloth. Avoid abrasive cleaners or solvents that could damage the finish.
- Periodic Checks: Periodically check all screws and connections to ensure they remain tight. Re-tighten if necessary.
- Gas Spring: The gas spring is designed for long-term use and typically requires no maintenance. If you notice changes in its performance, refer to the troubleshooting section.
Troubleshooting
If you encounter issues with your monitor arm, refer to the following common problems and solutions:
Problem: Monitor Sags or Drops
Solution: The gas spring tension is likely too low for your monitor's weight. Turn the tension screw counter-clockwise to increase tension until the monitor holds its position.
Problem: Monitor Floats Up or is Difficult to Push Down
Solution: The gas spring tension is likely too high for your monitor's weight. Turn the tension screw clockwise to decrease tension until the monitor holds its position.
Problem: Monitor is Unstable or Wobbles
Solution:
- Ensure all mounting screws (desk clamp/grommet, VESA plate, arm connections) are securely tightened.
- Verify that your desk is stable and can support the weight of the mount and monitor.
Problem: USB Ports Not Functioning
Solution:
- Ensure the USB cables from the monitor arm are properly connected to your computer's USB ports.
- Test with different USB devices or computer ports to rule out device or port issues.
If problems persist after attempting these solutions, please contact WALI customer support.
Specifications
| Feature | Specification |
|---|---|
| Model Number | GSMU001XL |
| Brand | WALI |
| Monitor Size Compatibility | 17" to 49" Ultrawide/Curved |
| Weight Capacity | Up to 44 lbs (20 kg) |
| VESA Compatibility | 75x75mm, 100x100mm |
| Desk Thickness Compatibility | 0.47" - 1.97" (1.2 cm - 5 cm) |
| Mounting Type | C-clamp, Grommet Base |
| Tilt Angle | +50° / -20° |
| Swivel Angle | +90° / -90° |
| Rotation | 360° (Landscape to Portrait) |
| Height Range | 9.09" - 19.69" (23.1 cm - 50 cm) |
| Max Arm Extension | 21.93" (55.7 cm) |
| Integrated Ports | 1 x USB Type-C, 1 x USB Type-A 3.0 |
| Material | Aluminum |
| Color | Black |
Product Video
Warranty and Support
For warranty information or technical assistance, please contact WALI customer support. WALI provides experienced and friendly US-based customer support available to assist 7 days a week.
Refer to the product packaging or the official WALI website for the most current contact details and warranty terms.





