These skewers are Not recommended for aggressive off road use, What is your definition of aggressive?

Types of aggressive off road riding such as Enduro, Downhill, Dirt Jump and similar, where large impacts and jumps are common place can put excessive forces through the front axle fixing system and can cause failure.

Modern bicycles that are designed for such aggressive off-road riding use 15 or 20mm diameter axle system for stability and safety when riding aggressively –  especially where disc brakes are involved.

Typical examples of what we consider to be “non aggressive off road riding” would include trekking and lightweight trail XC riding