Don't know about the status of DOT approval or not. Beadlocks are not approved for street use either... but.
I don't run mine on the street except when rolling to the trails and maybe a short jaunt to the package store for refreshments.
RocknCJ /wwwthreads_images/icons/cool.gif
for those who would trade a little freedom,
for a little security
...will soon find they have neither. /wwwthreads_images/icons/crazy.gif