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Message: <blockquote data-quote="snowflake" data-source="post: 125735" data-attributes="member: 152">We've already seen these things crash tested twice, Eli Tomac when he went head first into the whoops and when Bell came unglued on the triple. The ground that Bell smacked was damn near concrete hard and the dude walked away from it and passed a concussion test <img src="https://www.dirtbikeaddicts.com/static/images/smilies/shocked.gif"  class="smilie" loading="lazy" alt=":shocked:" title="Shocked    :shocked:" data-shortname=":shocked:" />what do you guys think about these things? they advertise a "suspension system" 6D’s revolutionary patentpending ODS™ ( Omni-DirectionalSuspension™ ) represents a fully active,in-helmet suspension andkinetic energymanagement system.The mechanics,engineering, materials, and manufacturingare very complicated, but actually, theconcept is quite simple. Working with leading research and development experts in the area of motorcycle helmet safety, design, and advanced product testing, our goal was simple; design a better performing off-road motorcycle helmet. We applied creative ‘clean-sheet’ engineering concepts to the problem and started building prototype helmets for testing. Extensive testing provided data to support a vastly superior ‘proof of concept’ design. This design matrix was taken into beta testing for further evaluation and development, and then on to pre-production testing.To manage kinetic energy ( including linear, angular, and lower-threshold acceleration energy ), the ODS™ system starts with an internal EPS liner not unlike traditional helmets; but that is where the similarities end. With the ODS™ system, the EPS liner is divided, creating a compound-liner assembly. These two liners are separated by a very specific programmed array of elastomeric isolation dampers creating an air-gap. It is this array of isolation dampers surrounding the entire liner, combined with the air-gap, that affords the free-motion suspension capability of ODS.™The unique ‘hourglass’ shape designed into the elastomeric isolation dampers function with specially designed frusto-conical ramping chambers within the ODS™ system to produce a rapidly escalating spring rate under compressive load. These same features allow the split liner system to shear omni-directionally within itself to provide improved performance against oblique impacts and angular acceleration demands. There is no other helmet technology that can offer these combined energy management features.6D’s™ innovative ODS™ system improves impact force management within the helmet’s interior environment. Omni-Directional Suspension™ ( ODS™ ) technology is designed to protect your head over a broader range of energy transfer; especially angular energy in low and high velocity impacts, than traditional helmet designs. In testing, ODS™ has shown to significantly reduce the energy transferred to the head. This can reduce the likelihood of a concussion or brain injury over a traditional helmet.  for 750 dollars?</blockquote>

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