Troy Lee Designs A3 Sideways Helmet for Adult Trail and XC Mountain Biking

Top of the Line Comfortable Helmet

Our latest helmet is the most comfortable we've ever made, featuring a 3-Way Magnajust visor for versatile visibility.

Unmatched Safety with MIPS

Equipped with MIPS (Multi-directional Impact Protection System), our helmet provides superior protection in angled impacts. Combined with industry-first EPP (high-speed) and EPS (low-speed) foam, you get optimal safety across all conditions.

Comprehensive Protection and Warranty

Enjoy a 3-year warranty that covers any manufacturing issues. Your helmet comes with a bag featuring breathable mesh paneling for easy storage and transport.

Magnetic FIDLOCK Buckle System

The FIDLOCK magnetic buckle ensures a secure fit without the hassle of struggling to adjust it. This innovative system provides the perfect balance between comfort and security.

Maximum Ventilation

Featuring 16 vents, our helmet offers the most intake and exhaust vents of any half-shell helmet we've made. This maximizes airflow, keeping you cool during long rides.

40 Years of Racing Excellence

Designed by Troy Lee Designs, known for 40 years of racing with the World's Fastest Racers. Trust in our expertise to deliver performance that meets the highest standards.

Choosing this helmet is choosing comfort, safety, and performance.