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Basecamp Ultralight Bike Helmets

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62.27$US 26.99$US

Free ShippingImpact resistant EPS, weighs in at a featherlight 209g  – under 7½ Ounces – and will fit almost any sized head. EPS is an ideal material for cyclists safety because of the way it undergoes an energy-absorbing compression when subjected to severe impact. of course, after that it should be replaced – but it’s then done its job and saved your life.

Look under the ‘Description’ tag to learn more about EPS.

Product Details:
  • Weight 7½ Oz – 209g
  • Type Light Helmet EPS
  • Air Vents:28
  • Breathable, Super Light
  • Head Circumference: 56-62 Cm
  • Suitable for Men & Women
  • Selectable Color Range

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EPS in Cycling Helmets

The major impact-absorbing element of the helmet is a foamed polymer liner, commonly made of expanded polystyrene (EPS). Polymer foams are chosen because they are easily fabricated and because, unlike honeycombs, their ability to absorb energy is omni-directional.

How Does a Helmet Work?

A bicycle helmet reduces the peak energy in a sharp impact. This requires a layer of stiff foam to cushion the blow by crushing. Nearly all bicycle helmets do this with expanded polystyrene (EPS), the white picnic cooler foam used to protect eggs and computers. Once crushed, the foam does not recover. Spongy foam is added inside for comfort and fit. Another foam, expanded polypropylene (EPP), does recover, but its use is spreading slowly. It may have some undesirable “rebound.” An stronger EPS called GECET appeared in 1992 and is widely used now. A third foam called EPU (expanded polyurethane) is used for helmets made in Taiwan. It has a uniform cell structure and good crush without rebound, but is difficult to manufacture and not used much in the U.S.

The helmet must stay on your head even when you hit more than once — usually a car first, and then the road. So it needs a strong strap and an equally strong fastener that cannot be jiggled open. The helmet should sit level on your head and cover as much as possible. Above all, with the strap fastened you should not be able to get the helmet off your head by any combination of pulling or twisting. If it comes off or slips enough to leave large areas of your head unprotected, adjust the straps again or try another helmet. Keep the strap comfortably snug when riding.

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