A roll cage is a specially constructed tubular frame built in or around the cab of a vehicle to protect its occupants from injury in the case of an accident or rollover.
Building a roll cage 101.
A standard feature in race.
They are typically used to reinforce the vehicle and ensure that the passenger is protected in the event of an accident particularly if the car rolls.
The bars shown in blue are optional.
This is the typical 6 or 5 without the passenger door bar nhra style roll bar.
The basic 4 point roll bar consists of a main hoop behind the driver two rear struts and an optional cross brace on the main hoop should you need it or the rules.
A roll cage is a metal framework that can be built around the inside of a vehicle.