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2013 The Forefront

We said we’d never get into the bike helmet market unless we could move the needle. Aerocore changed the game.


Koroyd® absorbs more energy on impact, offers better design flexibility and guarantees more efficient ventilation compared to materials traditionally used in helmet construction. The cylinders form a crumple zone and collapse evenly on impact. Thus, Koroyd® absorbs energy more efficiently and with less bulk than other protective materials on the market. Unlike traditional protective materials, Koroyd® cylinders absorb and convert more kinetic energy, while increasing airflow and reducing overall weight. Not all helmets are created equal.

Developed in the aerospace industry to absorb energy, cylindrical structures are one of the strongest forms found in nature; a form that could offer the most effective impact absorption for a given duration. Koroyd® uses cylinders to create a structure that behaves differently from traditional protective materials. Traditional materials act like a spring that stores energy and then releases it, while Koroyd® is a true energy absorber that converts kinetic energy by crushing. This results in better energy absorption in the event of an impact.

High-tech absorption

In the event of an impact, Koroyd's welded tubes collapse instantly and evenly, absorbing maximum force in a controlled manner and thus reducing the amount of energy transferred to the head.

Total breathability

The air circulates evenly through the open cells, while the warm air in your head can easily escape, ensuring more efficient cooling under the most intense conditions.

High tech protection

Characterized by tubes with the thinnest walls in the world, the Koroyd structure is composed of 95% air. This reduces weight and improves comfort without compromising safety.


The MIPS® Brain Protection System (BPS) is found inside the helmet, generally between the comfort padding and the EPS (a high-quality foam used to reduce energy).

For certain impacts, the MIPS® BPS can reduce harmful forces transmitted to the brain.

MIPS® stands for Multi-directional Impact Protection System.


The MIPS® Brain Protection System (BPS) is designed to add protection against rotational motion transferred to the brain. Rotational motion affects the brain and increase the risk for minor and severe brain injuries. When implemented in a helmet, the MIPS® BPS can reduce rotational motion by redirecting energies and forces otherwise transferred to the brain.

The core of the MIPS® BPS is a low friction layer that allows the head to move 10-15 mm relative the helmet in all directions, reducing rotational motion to the brain. The MIPS® BPS makes your helmet safer and adds protection.

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