roll bar
US /ˈroʊl bɑːr/
UK /ˈroʊl bɑːr/

1.
roll bar, palang pengaman
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.
Mobil balap itu dilengkapi dengan roll bar yang kokoh untuk keselamatan.
•
Many off-road vehicles have an external roll bar.
Banyak kendaraan off-road memiliki roll bar eksternal.