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BOA Announces FS2 Fit System for Helmets

  • Ron 

Celebrating 25 years of , BOA® continues to work closely with the world’s top cycling brands to enhance through superior fit in and headwear, including the all-new FS2 dial platform for helmets— helping start better and finish even stronger.

Building upon its foundation of proven performance, BOA® advances helmet fit in cycling with FS2, a next-generation dial platform engineered to deliver Dynamic360™, micro-, -directional precision fit. With 40% finer adjustment resolution than traditional helmet fit systems, FS2 enables to fine-tune fit on the with submillimeter accuracy.

Developed through extensive testing at BOA®’s Human Performance Fit Lab (HPFL), the FS2 BOA® Fit System creates a more uniform connection with fewer pressure points, delivering a refined, personalized fit experience. FS2 Dynamic360™ fit is defined by:

  • Adaptive, low-friction, lace-based system that wraps the head evenly to balance tension and reduce peak pressure, resulting in a 6% stronger hold relative to traditional helmet fit systems.
  • A split yoke and forehead guide design to lock in the occipital bone and stabilize the sides of the head, creating a true custom fit across a wide range of head shapes, while vertical adjustment allows for further fine-tuning.

Lotte Kopecky in Specialized's new S-Works Evade 4 helmet featuring the BOA FS2 helmet fit system

The system made its debut on the new Specialized S-Works Evade 4 race helmet announced last week.

“Unlike traditional helmet fit systems that concentrate pressure at the front and back of the head, we’ve developed a solution that is proven to distribute tension evenly around the entire head for a more secure, uniform fit,” says Dan Feeney, Vice President, Partner Product Innovation & Development. “We’ve spent the last several years building out a dedicated space within the Human Performance Fit Lab, with specialized equipment that allowed us to refine a helmet fit system that is clearly more adaptable, customizable, and ultimately fits more people, better.”

The new FS2 dial platform also incorporates 36% recycled content, reflecting BOA®’s commitment to more responsible design without compromising performance. The FS2 BOA® Fit System will debut in May 2026 in the new Specialized S-Works Evade 4 helmets. “BOA®’s journey started in Steamboat, , in 2001, disrupting snowboard boots by delivering superior fit, performance, and an enhanced experience for riders,” says Shawn Neville, CEO of BOA® . Twenty-five years later, BOA® has now dialed in almost 300 million athletes and workers in over 80 countries, including 77% of Tour de France cyclists in 2025.”

For BOA®, 25 years of innovation have been defined by a commitment to advancing fit and performance for the world’s top athletes. BOA® remains committed to pushing the limits of human performance by delivering superior fit solutions that help riders fine-tune their gear and ride with greater confidence.


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