Why are ECE helmets different from DOT?

Trying to understand this properly. DOT is self-certified by the manufacturer, while ECE 22.06 is independently batch-tested before sale. Am I oversimplifying? Curious what practical difference riders actually notice on the road.

You have the core of it. DOT is self-certification with random audits; ECE is type approval with independent lab testing plus rotational and multi-impact criteria in 22.06. In practice an ECE lid is proven before it ships, a DOT one is trusted until proven otherwise.

Both can be safe. The bigger real-world variable is fit and whether you replace after a hit. A perfectly rated helmet that sits loose is worse than a well-fitted mid-tier one.

We have gotten along fine with DOT for decades over here. Not saying ECE is bad, just that the sky is not falling on American roads.

I will always pay for something that lasts.

Bigger tank, fewer stops, happier me.

This thread is going to cost me money.