Hey @Ledains, good questions.

What you are looking for is a wheel stand, since these are usually affordable and offer a stable, fixed platform for pedals and sometimes for the wheel or shifter. This solves the issue you are already running into with pedals sliding around or the chair moving when you brake harder, which becomes even more noticeable with load cell pedals.

A wheel stand or a simple pedal base paired with a fixed seat lets you build a half cockpit that gives you solid pedals and a stable seating position, while still keeping the wheel on your desk so the computer remains fully usable for everyday tasks. With a budget of around €400 to €500, stands like the Next Level Racing Wheel Stand 2.0 or other similar options provide enough rigidity for strong brake forces and leave some room for a seat or accessories.

On the pedal side, the Simsonn Plus X and Pro X are already strong choices for the price, and alternatives like the Asetek La Prima or basic load cell kits from other brands do not clearly outperform them at the same cost. As long as everything is bolted down properly and you have a seat that does not roll, the setup works well, feels stable, and gives you the upgraded braking performance you are looking for without sacrificing normal desk usability.