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The Rally WaveCel Mountain Bike Helmet is 5-star rated by Virginia Tech and features updated, lighter and cooler WaveCel safety tech. You'll love how easy it is to dial in the perfect fit with a BOA® Fit System, lay-flat camlock straps, and a Fidlock magnetic buckle. Plus, the goggle friendly three-position visor has built-in sunglass storage and the removable Blendr mount makes it easy to mount a Trek light or GoPro.
Plus, the deeper rear coverage offers additional protection, and two front-facing vents are strategically placed to offer more airflow to make Rally WaveCel feel cooler and look the part as well.
Comfort and style for the trail
Get ready to rip with this top-of-the-line half shell trail helmet with deeper coverage, a three-position visor, Blendr mounts, integrated sunglass storage, and more. Trek Rally WaveCel also features updated WaveCel helmet technology with 10% larger cells for more airflow and 15g of weight savings.
Watch video"...a comfortable, feature-packed trail lid with exceptional safety ratings."
Learn more"...the new Rally and Quantum helmets includes deeper rear coverage, protecting the back of the head. Plus, Trek’s Crash Replacement Guarantee provides a free replacement within the first year of ownership if you’re involved in a crash."
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Shop all gearPlanet Earth is our home and our responsibility —we must do our part to preserve it. Learn how you can join the #GoByBike movement and help make a difference in the future of our planet and all who call it home.
Read moreWant to do more than wear a helmet? Check out this guide to riding safer.
Learn moreTo ensure your bike helmet looks and performs its best, it's important to properly clean and care for it. Check out our simple guide to learn how to maintain your bike helmet. It's easy to do and takes little time!
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