HANS Device: What It Is & Why It’s Necessary

A HANS device is designed to protect drivers and co-drivers in high-speed impacts, where the forces acting on the head and neck can be catastrophic. Even a well-belted driver wearing a certified helmet is vulnerable to basilar skull fracture (one of the leading causes of driver fatalities in motorsport) caused when the driver's head continues to travel forward while the body is restrained by the harness. 

The FHR device was developed specifically to address that risk. It is one of the most significant advances in driver safety since the introduction of the full-face helmet, and understanding it properly is essential for any competitor serious about protection.

This blog covers everything you need to know about FHR devices, including when they are mandatory under FIA standards and Motorsport UK regulations, how to choose the right model for your discipline and budget, and how to ensure correct compatibility with your helmet and cockpit setup. 

A note on terminology: HANS (Head and Neck Support) is technically a brand name, though it has become the commonly used term across club motorsport. The FIA classifies all such devices as FHR (Frontal Head Restraint), a category that includes both traditional HANS-style devices and hybrid systems that offer additional side-impact protection. Throughout this guide we use both terms interchangeably, reflecting how they are used in everyday competition. If your series regulations reference FHR, a HANS-style device qualifies, provided it meets the required homologation standard. 

What Is a HANS Device?

 

 

HANS stands for Head and Neck Support. It is a U-shaped carbon fibre or composite collar that sits over the driver’s shoulders and beneath the harness, connected to the helmet via tethers that clip to anchor points on either side of the helmet.

In a frontal or near-frontal accident, the harness arrests the body while momentum continues to carry the head forward. Without a HANS device, the driver's head is free to travel as far as the neck will allow, and often further, resulting in hyperextension or basilar skull fracture. The HANS device changes that dynamic entirely. The tethers limit forward head and neck movement to a controlled, survivable distance, while the shoulder piece transfers load away from the cervical spine and distributes it across the driver’s chest and shoulders instead.

Hans Device History

The device was invented in the 1980s, but it reached widespread motorsport adoption following a series of high-profile fatal crashes in the late 1990s and early 2000s that focused attention on the specific injury mechanism HANS addresses.

FIA & MSA Regulations: When Is a HANS Device Mandatory?

The regulatory picture for FHR devices varies by series, car category and licence grade, but the general direction of travel is clear, with mandatory requirements expanding steadily and continuing to do so. If you are unsure of the requirements for your specific series or location, always consult the current-year sporting and technical regulations rather than relying on what applied last season.

FIA-regulated series

In all FIA World Championship events (Formula 1, WRC, WEC, and the TCR World Tour) a FIA-homologated frontal head restraint (FHR) is mandatory for all drivers. The FIA specifies homologation standards for both the device and the helmet anchorage system, so you cannot mix a non-FIA-approved device with an FIA-certified helmet anchor and expect to pass scrutineering.

At national and regional level, FIA FHR requirements apply to all closed-car circuit racing and stage rally competitors holding an FIA licence. The applicable homologation standard is FIA 8858-2010, which superseded the original FIA 8858-2002 standard; check the relevant ASN regulations for your series to confirm which is currently accepted.

Motorsport UK (UK national regulations)

Under current Motorsport UK regulations, a FIA or SFI-certified frontal head restraint is mandatory for all competitors in closed-cockpit cars in the following categories: all stage rallying regardless of class or licence grade, all circuit racing holding a National A licence or above, and all hill climb and sprint events at National level. At club level (club stage rally, club circuit racing, autotest, cross-country) FHR use is strongly recommended but may not yet be mandatory depending on the specific championship supplementary regulations.

The practical reality is that even where FHR use is optional, the majority of experienced customers choose to wear one regardless. The protection it provides is well understood, the cost of a clubsport-grade product is modest relative to other equipment. If you are in any doubt, fit one.

Types of FHR Devices: How to Choose the Right One

Not all HANS devices are the same. The right choice depends on your series regulations, your cockpit geometry, your budget, and how often you compete. Here is a breakdown of the main categories.

FHR devices fall into two broad categories:

HANS-style devices: the traditional U-shaped collar that sits over the shoulders and connects to the helmet via tethers. The most common type at club and national level.

Simpson Hybrid devices: designed to offer frontal and lateral head restraint in a single unit. Typically lighter and more compact than a traditional HANs-style, with a wider size range. Simpson holds the patent for hybrid FHR devices, making them the only manufacturer producing this style of device.

Standard / full SFI-certified FHR

The correct post angle depends on how your motorsport seat positions you in the car. 

• A 30° device is the correct choice for single-seaters, sports prototypes and other applications where the driver sits in a significantly more reclined position. 

• A 20° device suits the majority of stage rally and circuit car seating positions.

• A 10° device is intended only for unusually upright seating configurations and is rarely required in standard competition cars. If in doubt, measure the angle of your chest from vertical when seated in your normal driving position and consult the manufacturer's fitment guide.

Clubsport and entry-level devices

Several manufacturers produce clubsport or entry-level variants designed to offer FHR protection at a lower price point. These typically use fibreglass rather than carbon construction and are certified to SFI 38.1. They are a solid choice for club rally and circuit competitors who require neck restraint protection without the weight and cost of a top-specification carbon device. Simpson, Schroth, Stand21 and other brands in our range include well-regarded options at this level.

Lightweight and premium carbon variants

For drivers who compete frequently or who are sensitive to the additional weight and bulk of a standard device, premium lightweight carbon variants offer meaningful reductions in weight without compromising protection ratings. The performance benefit is largely ergonomic rather than safety-related; both weight classes meet the same homologation standards.

Sizing and fit

Sizing varies by device type. Traditional FHR devices are generally available in Medium and Large, while hybrid devices such as the Simpson Hybrid Sport typically offer a fuller size range from Small through to XL. Hybrid sizing is based on Chest Circumference and HANs sizing is based on Neck Collar size.

An incorrectly sized device will either restrict neck movement uncomfortably or fail to position the tether anchor points correctly relative to the helmet, both of which compromise function. Always measure shoulder width before ordering, and contact our team if you need guidance on which size corresponds to your build.

Top HANS Devices We Stock

Race & Rally stocks a carefully selected range of FIA and SFI-certified frontal head restraints across all price tiers. The following represent our core recommendations based on use case:

• Stand-21 FHR Devices: Stand 21 manufacture their HANS devices by hand in France, using thermoplastic injected resin reinforced with carbon fibre. They are supplied with standard PA HANS tethers. FIA 8858-2010 homologated. A solid choice for club and national level competitors. 

• Simpson Racing HANS Devices: Simpson’s HANS range covers both clubsport entry-level and competition-grade devices. Their devices are well regarded among club rally and circuit competitors for durability and straightforward fitment. FIA 8858-2010 homologated. A strong option for drivers equipping themselves for the first time.

For our full range of certified frontal head restraints, visit our HANS device collection.

HANS Device Compatibility: Helmets, Suits & Cockpit

Getting the HANS device right on its own is only part of the job. How it works with your helmet, suit and cockpit setup determines whether it actually protects you when it matters.

Getting the HANS device right on its own is only part of the job. How it works with your helmet, suit and cockpit setup determines whether it actually protects you when it matters. 

Helmet compatibility

A HANS device only functions correctly when paired with a compatible helmet. Specifically, the helmet must have FIA or SFI-approved anchor points positioned correctly on either side of the chin bar or lower shell. Not all helmets have these as standard. When purchasing a new helmet, confirm that it carries HANS-compatible anchor points and that the homologation standard matches your HANS device.

The tether length and angle also matters. Most tethers adjust for length to suit different post angles and driver proportions: ensure the tether runs cleanly from anchor point to HANS clip without slack or excessive tension. If you need guidance on pairing specific helmet models with a HANS device, our team can advise. Browse our FIA motorsport helmet range for compatible options.

Race suit and seat

The HANS device sits over the top of the driver's race suit, beneath the harness shoulder straps. A well-fitted suit collar should not impede the HANS device from sitting flush against the neck and upper chest. High, stiff collars on cheaper suits can lift the device away from the body and reduce its effectiveness; consequently, it is vital to invest in a properly fitted FIA race suit when running full safety equipment.

Harness placement is equally important. The shoulder straps must pass over the HANS shoulder pieces, not underneath them. The device relies on the harness bearing down on it to hold it in place and allow load transfer in an impact. If your harness configuration puts the shoulder straps under the device, the system cannot function as intended.

Cockpit setup

In tighter cockpits (particularly in single-seaters, sports prototypes and some purpose-built rally cars), it is worth checking HANS device clearance before race day. The device adds bulk around the neck and shoulders that can affect steering wheel reach, field of view and headroom in cars with a low roofline. If you are building a new car or modifying seating position, factor HANS geometry into the setup early, rather than discovering fitment issues at scrutineering.

Common HANS Device Mistakes (and How to Avoid Them)

Although HANS devices are simple and extremely reliable, they only work properly when fitted and used correctly. Most problems competitors experience come down to set up rather than the device itself. Avoiding the following common mistakes ensures your frontal head restraint performs as intended in an impact.

Final Thoughts

Race & Rally stocks a full range of FIA-certified FHR devices, from clubsport entry-level through to premium competition-grade carbon variants, all backed by expert advice from a team with real-world competition experience. We can advise on sizing, helmet compatibility and harness configuration to ensure your full safety setup works together correctly.

Browse our FHR device collection, explore compatible FIA motorsport helmets and race suits, or build a complete driver safety setup in one order, including essentials like a first aid kit as part of your safety kit alongside your core driver protection equipment. If you have a question before buying, get in touch.

Frequently Asked Questions

Do I really need an FHR device?

If you are competing in any form of closed-car motorsport under Motorsport UK or FIA regulations, the answer is almost certainly yes, either as a mandatory requirement or as strongly recommended best practice. Even where it remains optional at club level, the protection it provides against basilar skull fracture in a frontal impact is well-documented.

Does a HANS device work with any racing suit?

Yes, in the sense that there is no suit-specific incompatibility. However, as noted above, the suit collar fit and harness configuration both affect how well the device sits and functions. A suit with a very stiff or high collar may push the HANS device away from the body.

How often does an FHR device need to be replaced?

Most manufacturers recommend replacing an FHR device after any significant impact, even if no visible damage is present, composite structures can sustain internal damage that compromises future performance. Outside of impact events, devices should be inspected regularly for cracks, delamination or damage to the tether anchor hardware. There is no fixed calendar replacement interval equivalent to helmet certification periods, but if your device has been in a meaningful shunt, replace it.

What is the typical cost of an FHR device?

Entry-level clubsport devices start from approximately £150 to £200. Mid-range competition devices typically fall in the £250 to 400 ranges. Premium lightweight carbon devices from top manufacturers can reach £500 to £700 or above. As with all safety equipment, buy the best device you can reasonably afford from a reputable manufacturer, this is not an area to compromise purely on price.