Trek Rally WavCel Mountain Bike Helmet

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A major advancement in the protection against cycling-related head injuries
Rally WaveCel is a high-style, high-value off-road helmet with trail-specific features and WaveCel, a leading technology in the protection against cycling-related head injuries.

WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Trek-exclusive technology disrupts the safety standards the industry has accepted for over 30 years.

What is WaveCel?
WaveCel is a collapsible cellular structure that lines the inside of your helmet. It works like a crumple zone that absorbs the force of an impact before it reaches your head. Read the study to learn more. You’ll never want to ride anything else again.

Virginia Tech validation
All WaveCel helmets received the highest rating from Virginia Tech's third-party testing facility. This unbiased assessment proved WaveCel helmets to be among the highest level of protection available to cyclists with a 5-STAR rating.