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Bell Racing Helmets & Accessories
Helmet Standards | Venting | Helmet Fitting | Measuring VORTEX
VORTEX FA
BELL SPORT III
DOMINATOR
MAG 5
M3 / M3 XTRA
KART 2 PRO
HELMET STANDARDSAll our helmets are F.I.A. approved and have the latest required Snell S.A.(special application) rating rather than the Snell "M" (Motorcycle) rating. An S.A. helmet is required to have a fire retardant (Nomex) interior and chin strap, usually constructed of Kevlar or Nomex. The shell construction is required to take both the primary, and secondary, or rebound impacts (i.e. roll cages), that are common in racing accidents. Many S.A. rated helmets are available in Kevlar/ fiberglass or carbon fiber/ fiberglass composite materials. The kevlar and carbon materials are not only stronger, but can be as much as 30% lighter than the same helmet in fiberglass. If your particular motorsport activity involves high G forces, endurance racing, or you just want increased comfort and safety, you should consider one of these lightweight helmets. Fiberglass is a standard shell material, and is the most popular and common material used in good quality helmets. It has very good strength and shock absorbing qualities and is an excellent alternative to the higher priced composite helmets. Please note that the quoted weights depend upon the size of the particular helmet. VENTINGHelmet vents vary greatly with brand design philosophy. They vary in position from the chin bar, forehead, crown, and the rear of the helmet. What ever the location, the primary objective of all helmet manufacturers is to reduce fogging of the visor and/or keep your head cooler in the heat of battle. Some racers I know should wear them 24/7!!! HELMET FITTINGAny helmet should fit snugly, but with out causing any discomfort. Each person has a slightly different shaped head, and some helmets brands will fit differently than others of the same size due to the fact that they have different internal padding systems. Accurate measurement is very important when ordering a helmet. If you wear a one or two layer balaclava under your helmet ( and you should!), make sure you are wearing it when you measure the circumference of your head. If a hood is unavailable, add about a 1/4 inch to the total measurement for a single layer and 1/2 inch for a two layer balaclava. MEASURINGThe best tool for this is a tailor's ribbon tape measure, available at any store that sells sewing products. Measure the circumference of your head around the largest part of the back of the head, just above the ears and approximately one inch above the eye brows. Click Here to see sizing chart.
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