bike helmet, bicycle helmet factory in China

The Pok Tyrone Ltd is A China Helmet Factory custom design / manufacturer / Wholesale Helmets,Horse Helmet,Sport Helmet,bicycle Helmet,Climbing Helmet  

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Helmet Cooling System And Design

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BASICS Helmet  liners are made of foam that holds heat well. Human bodies use the head to radiate excess heat during exercise. Only a flow of air over the head can carry that heat out of the helmet, so ventilation becomes critical in hot weather, and is needed even in cold weather to carry moisture away. Back in the 1980’s a British university study found that the larger the front vents, the cooler the helmet. More recent research indicates that for optimal cooling the air also needs to be channeled to the exits, so the interior channels are important to taking in the most air possible through the front vents. In some designs air may even prematurely exit through the side or top vents before performing its cooling role, and researchers have covered some vents and actually improved cooling performance. Some air flows under the edges of the helmet if you have not sealed the edge against your head with fit pads. In short, the interaction of the vents and channels in directing th...
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Equestrian Helmet PTL-109

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TECHNOLOGY: ABS shell; EPS liner; Double chin pads; Clean pads( fabric +comformable  Foam ); A-03 FIT system; ITW buckle;  FEATURES: Wide visor; Two Front Once Back and Two Center stripe venting System;  FIT System; Soft Faux Leather Strap; Inner Padding;  AVAILABLE SIZES: XS (50-54 cm);  M-L(54-58 cm); L-XL  (58-62 cm)  Equestrian Helmet PTL-109 The PTL-109 Riding Helmet has a wide visor to offer additional coverage from the sun’s damaging rays. EPS and Advanced ABS Composite outer shell; injection molded shell design; washable quick-dry moisture winking anti-microbial liner; comfort padded harness with synthetic suede lining hook & loop adjustment and Fastex buckle; two side two front one back and two center stripe vents We are well aware that the helmet has to fit the rider’s head correctly so that the best safety level is guaranteed. This is why our helmets are provided with self-adapting adjusting system the FIT System allows ...
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THE DIFFERENCE BETWEEN A BICYCLE HELMET AND A CLIMBING HELME

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THE DIFFERENCE BETWEEN A BICYCLE HELMET AND A CLIMBING HELME Bicycle helmets  and  climbing helmets  are designed for different impact forces. Outside of their actual function, they do not offer the optimal protection.   Like cars, bicycle helmets are designed to collapse in a collision and absorb the energy of the impulse. And they only have to protect the head once – after the crash, they are broken. Usually, the danger is over after a bicycle accident and no further protection is needed.    Climbing helmets have to withstand several collisions. They are not designed like bicycle helmets and do not crumple in a collision. But they offer longer protection because you can’t stop climbing just because you had an accident. If you are in the middle of a climbing route and are hit on the head with a big stone, you still have to get down somehow. Climbing helmets are mainly designed to withstand several collisions. Especially from falling stone and not ...
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