roll bar

US /ˈroʊl bɑːr/
UK /ˈroʊl bɑːr/
"roll bar" picture
1.

barra antivuelco, jaula antivuelco

a bar or set of bars fitted to a car to protect its occupants if it overturns

:
The race car was equipped with a sturdy roll bar for safety.
El coche de carreras estaba equipado con una robusta barra antivuelco para mayor seguridad.
Many off-road vehicles have an external roll bar.
Muchos vehículos todoterreno tienen una barra antivuelco externa.