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

1.
palang gulung, bar keselamatan
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.
Kereta lumba itu dilengkapi dengan palang gulung yang kukuh untuk keselamatan.
•
Many off-road vehicles have an external roll bar.
Banyak kenderaan luar jalan mempunyai palang gulung luaran.