Here are a few details on DOT rating.
TLDR: DOT relies on the manufacturer to do the testing and does spot tests AFTER the helmets have hit the market. No all DOT helmets get to be tested by DOT and from those that do, approximately 20% fail.
Here are a few details on DOT rating.
TLDR: DOT relies on the manufacturer to do the testing and does spot tests AFTER the helmets have hit the market. No all DOT helmets get to be tested by DOT and from those that do, approximately 20% fail.