The perfect helmet is the one you don't even realize you're wearing. From lung-searing cyclocross laps to long days filled with steep climbs, Zephyr fits and feels so good that you'll forget it's there. The most innovative road cycling helmet Bell has ever created follows years of research, analysis and real-world testing. The result? An uncompromising combination of performance. It starts with Progressive Layering technology, a joining of two EPS segments that have different densities to help manage impact energies. The overall shape, tested and re-tested at our world class test lab, combines all-around aero performance with head-cooling ventilation. And the new Float Fit Race retention system, featuring height and width-adjustable cradles and an easy-to-turn dial, is optimized for the new Integrated MIPS system. Together, they create a brilliantly streamlined solution to reducing rotational forces with zero compromises in comfort and fit. Just what you need for your longest, hardest days in the saddle.
The Zephyr MIPS helmet is equipped with the patented MIPS system to reduce the rotational forces to the brain in the case of an oblique impact. Where most helmets are tested for vertical impacts, studies have shown that the human brain is more sensitive to oblique impacts. MIPS technology mimics nature's own method of reducing forces transferred to the brain in the event of a crash. When subjected to an oblique impact, a membrane between the brain the skull allows the brain to slide along the inner surface of the skull, which ultimately reduces the forces transferred to the brain. MIPS helmets use a low friction layer between the shell and liner to mimic this process, which significantly reducing the forces transferred to the brain.
|Head Diameter (in)||20 - 22||21.6 - 23.2||22.8 - 24.4|
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