What size FHR do I need?

The width of the FHR collar is sized to fit your neck or shirt collar size.
• 12 to 15 Inches (30,5 cm - 38 cm) - Size Small (S)
• 15 to 18 Inches (38 cm - 47cm) - Size Medium (M)
• Over 18 Inches (> 46 cm) - Size Large (L)

What type of shoulder belts work best with a FHR?

Most FIA or SFI approved racing harnesses work with FHR. Typical 3" (75mm) wide shoulder belts will work with FHR . You may notice some overlap of the harness from the FHR but this will not effect the performance of the device. The FHR specific harnesses 2" (50mm) or 2"/3" (50mm/75mm) designed and developed by SCHROTH allow the shoulder belt to lay completely on the FHR and may fit better in some of the trickier installations. In all cases we recommend the use of Polyester webbing material and most importantly proper installation and geometry of the harness system.

My belts sometimes slip off the device. What's wrong?

Properly mounted belts do not slip off the device. If your shoulder belts will not stay securely over the device when you are firmly belted in chances are that you do not have the shoulder belt mounts properly located in your chassis. Please review the section of the SCHROTH Installation Instructions (EA 8.2) concerning shoulder belt mounting.

When should I replace my FHR device?

Snell recommends replacing competition helmets every five years. FHR devices are made with similar materials and resins. They are also exposed to similar environments. Snell's five-year rule for helmets is only a guideline, but it is one we think users should consider when reviewing the integrity of a FHR device. Auto racing is dangerous, and the consequences of auto racing accidents can be violent and permanent. As a result, only FHR devices that are in top condition should be worn in competition. The form of racing in which a user competes may also dictate the timeframe for replacing a FHR device, especially if a user competes in open cockpit environments. Even the best materials deteriorate over time. Further, we recommend a user replaces their FHR device if it is involved in an accident or shows any signs of structural damage. If in doubt about the integrity of a FHR device, it should be replaced.

I can touch my chin to my chest with the device on. Is this a problem?

No. The FHR tethers offer a great deal of mobility while still reducing the chance of injury. In an actual impact, the FHR will remain stationary with respect to the shoulder belts, while your body slides forward until the tethers straighten. (Your head will not swing down towards your chest). The slack in the tethers is taken up before the belts restrain the torso, the FHR, and the head together.

How do I care for my FHR device?

FHR devices should be kept clean and dry. Extreme hot or cold environments should be avoided. They should be kept away from petroleum products or other corrosives as these can have unexpected results on even the strongest composite materials and resins. To protect them, FHR devices should be stored out of direct sunlight or in a bag. They may be cleaned with soapy warm water.

What if my FHR device is in an impact?

Like all driver safety equipment, FHR devices should always be inspected after an accident. In a simple self-inspection, users should look for signs of de-lamination or surface cracking and exposed composite material under the finish. However, even the most thorough visual inspection and strength testing can fail to detect damage. This is one of the reasons that we do not resell used devices, and we do not recommend that anyone buy a used device. If in doubt about the integrity of a FHR device, it should be replaced.

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