Rally WaveCel mountain bike helmet

An off-road helmet with WaveCel technology that balances comfort and performance for trail riders who value safety.

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 Bontrager's WaveCel helmets to be among the highest level of protection available to cyclists with a 5-STAR rating.

BOA® fit system

Easily secure and adjust the helmet fit with just one hand.

Drop-in coverage

Extended, back-of-helmet shell offers additional rear protection.

LockDown strap dividers

Easily adjust straps to fit perfectly with adjustable, lightweight strap dividers.

Soft helmet pads

Super comfortable internal pads wick moisture on hot days and hard efforts and are easy to wash after a full day of fun.

A TIME Magazine Invention of the Year

Bontrager's breakthrough WaveCel helmet technology was named to TIME Magazine's list of 100 Best Inventions making the world better, smarter, and even a bit more fun.

From TIME ©2020 TIME USA LLC. All rights reserved. Used under license