Find the rating that applies while the desk moves
Check the instructions for the exact frame or complete desk. A static rating describes the load while the desk is still. A dynamic rating describes the load during adjustment. Read the conditions for the weight figure, including how the load is distributed. Ask whether the weight of a separately fitted top counts and whether the published figure covers every height you intend to use.
Look for separate limits on shelves, drawers or clamps. A desk that can lift an evenly distributed load can still have a lower limit at one edge. Check the monitor-arm and desktop instructions for the concentrated load from the clamp. The frame’s rating alone cannot confirm that fixing.
Use the lower moving limit when adjusting
vidaXL publishes 50 kg dynamic and 70 kg static for its black crank frame. Use the moving figure for adjustments. Confirm with the maker whether the top counts and follow its instructions for load distribution.
For an existing compatible top
vidaXL manual crank frame, black
This frame has a hand crank and takes a separately selected approved worktop.
Add the top thickness to the frame range. Check top mass, size and fixing requirements for this exact model.
- 71–113 cm frame range
- Worktop sold separately
- Hand-crank adjustment
For example, if the approved top is 22 kg and the displays, mounts, computer, drawer and other items total 24 kg, the load is 46 kg if the frame rating includes the top. Adding a 6 kg converter would make it 52 kg. In that case the total would exceed a 50 kg moving limit even though it sits below 70 kg.
Check what the headline number means
Maidesite lists up to 180 kg for the T2 Pro Max frame. The Amazon listing describes that figure as a peak capacity. Confirm the normal moving allowance, whether it includes the top and how the equipment must be spread. A quoted maximum is one of several limits to check before fitting a heavy worktop.
For more standing height
Maidesite T2 Pro Max frame, black
The frame-only range reaches 135 cm before a compatible top is fitted.
Calculate the finished height with your approved top. Check the actual load, screen clearance and cable path at the high setting.
- 65–135 cm frame range
- Separate worktop
- 137.5 cm with a 25 mm top
Weigh the assembled equipment or use the exact product specifications. Include items fixed underneath, such as a cable tray, power block and drawer. Check that cables to the wall have enough slack at the highest setting so a tight lead cannot add a sideways pull.
Record the load and review it when things change
Keep the maker’s limits beside a short list of the items that move with the desk. Record the weights and any assumptions. Check again when you add a bigger screen, clamp, cabinet or converter. If the desk stops or moves unevenly during travel, follow the maker’s troubleshooting instructions and check for a collision or overload before trying again.
A useful record has three columns: item, weight and where it is supported. A laptop dock clipped underneath counts as moving load. A computer on the floor normally does not, though its cables still need slack. Record unknown weights before calculating the remaining allowance.
Common questions
What is the difference between static and dynamic load?
Static applies while the desk is still. Dynamic applies during height adjustment. Use the maker’s moving limit for travel.
Does the desktop count?
Check the definition for the exact desk or frame. Include the top when the maker’s rating counts it.
Do items attached underneath count?
Include anything that moves with the worktop if the manufacturer’s rating covers the whole moving assembly.
Can the rating tell me if a clamp is safe?
Check the desk material, permitted clamp position and local load separately.
What if the listing only gives a peak figure?
Ask the maker for the normal moving limit, the items included and the load distribution it approves.
Sources and selection
Sources and Amazon UK listings checked in November 2026. Dimensions and fit checks use published specifications.