W021
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W021

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Description Additional Information Resources
Audi A4 Bolt-In Roll Cage
SKU: W021 Category: Tags: , , Brand:

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Description

Vehicle:

Audi A4 (B5) (1994-2001)

Part Number:

W021

Description:

Bolt-in cage. Clears normal trim and dashboard. Front cage mounts to floor and rear mounts to floor and rear wheel arches. Single unique door bars.

Certification:

Not for competition use

Roll Cage Options:

RBW021 3SSU Front cage
RBW021 5SSU Rear cage, single fixed diagonal
RBW021 5SSU-HB Rear cage, single fixed diagonal and harness bar
RBW021 5SXU Rear cage, cross diagonal and harness bar
RBW021 DSUN Single door bar N/S (LHS)
RBW021 DSUO Single door bar O/S (RHS)

Please see available resources in the left menu for further product information.

Additional information

Front Cage

RBW021 3SSU Front cage, No front cage
Rear Cage

RBW021 5SSU Rear cage, single fixed diagonal, RBW021 5SSU-HB Rear cage, single fixed diagonal and harness bar, RBW021 5SXU Rear cage, cross diagonal and harness bar
Door Bar

RBW021 DSUN + DSUO Single door bars, No door bars

Resources

    Safety Devices Bolt In Roll Cage Fitting Instructions

    31/07/25

    General Safety Devices bolt in roll cage fitting instructions.
    Please note: Due to the many differing vehicles to which Safety Devices roll cages are fitted, these instructions are of a general nature and not specific to your vehicle. If you have any issues during installation, please call or email our technical team who can provide advice.

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FAQs

If you have questions that needs answers our FAQs could be just what you need. If you can’t find what you’re looking for we have a team of experts that can help you, just click below.

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Who are Safety Devices?

Safety Devices International Ltd are a British owned company specialising in the design and manufacture of roll over protection products. With over 50 years of experience, we have become the world’s most trusted designers and manufacturers in the industry.

What do I need to consider before installing a roll cage?

Selecting the right roll cage for your needs is crucial. Safety Devices roll cages are expertly designed to provide maximum occupant protection while minimizing intrusion into the cabin.
It’s important to consider the trade-off between the car’s functionality and the level of rollover protection offered. A roll cage should not interfere with the operation of existing safety systems, such as curtain airbags. These must be disengaged to prevent unintended deployment.
Remember, ‘show cages’ are not true roll cages. A ‘dash dodger’ with a reverse bend (‘S’ shape) in the front leg won’t offer adequate protection for the A-pillar.
For competition use, ensure the roll cage complies with the regulations set by event organisers or governing bodies, such as Motorsport UK.

What if I can't find the roll cage that I want?

If you cannot find a cage for your vehicle, or are looking for a particular cage configuration, please contact our sales team who can assist you further.

Do you offer bespoke roll cages?

Yes, we can offer bespoke products. For more information, please visit our Capabilities Pages.

Which quality standards do you employ?

We are renowned for the quality of our products using only the finest, traceable materials, offering proven capability to fabricate roll over protection in line with various industry standards. To ensure that our products meet the highest standards for a wide range of project needs, Safety Devices are ISO9001 certified.

Can I buy a roll cage directly from Safety Devices?

We do not sell roll cages directly to the public, however you can purchase them from one of our authorised dealers, many of whom hold stock of our products.

Do Safety Devices offer roll cage installation?

Yes, we do offer on-site roll cage installations, however these are dependent on our workshop availability. For a quotation, please contact our sales team who can assist your further.

What should I do if I cannot find an authorised dealer in my country?

If you cannot find an authorised dealer located in your country, please contact our sales team who can assist you further.

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Resources

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