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Re:Every single Onewheel is being recalled after four deaths by eddythompson80 on Monday October 02, 2023 @10:36PM (#37747281)
Also when I was buying my motorcycle gear (8 years ago) the general conses I recall is that ECE ~= DOT. Not sure what OP means regarding DOT certification.
Re:Every single Onewheel is being recalled after four deaths by wlonkly on Monday October 02, 2023 @10:42PM (#37747330)
ECE is stricter than DOT, although it has a couple of shortcomings.

It sounds like upthread the poster thought that ECE doesn't allow half or 3/4 helmets, but they do.

Re:Every single Onewheel is being recalled after four deaths by dharmab on Tuesday October 03, 2023 @02:45AM (#37748649)
DOT:

- is nearly 50 years old without meaningful changes to reflect half a century of head injury and brain injury research

- has significantly lower standards for how much force can be transmitted through the helmet to your skull - well within values that commonly cause skull fracture

- does not have any brain injury criteria for rotational trauma

- does not have any independent random testing, and limited independent random test studies have found 50% of labeled helmets don't meet the standard

The last point is especially frightening! ECE has fixed all of these issues. Fortnine's videos on this (and the problems with Snell 2020R/2020D) are a great place to learn more.