Trek Rally WaveCel Mountain Bike Helmet

Overview

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Want to do more than wear a helmet? Check out this guide to riding safer.

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To ensure that 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!

Features

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

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.

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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.

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

The extended, back-of-helmet shell offers additional rear protection.

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

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

Trek's breakthrough technology was named 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 licence

With our Crash Replacement Guarantee, we will provide you with a free replacement helmet if it is involved in a crash within the first year of ownership. Simply contact us or your local retailer with the crashed helmet, original sales receipt, details of the incident and a return address for your replacement.

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If for any reason you’re not satisfied with a Bontrager or Trek aftermarket purchase, return the item, along with the original sales receipt to the original place of purchase within 30 days for an exchange or refund. Think of it as a 30-day test ride.

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For your helmet to do its job, it's important that it's sized properly and fits well. Reference our sizing guide at the link below to find your ideal size and see how Bontrager helmets are intended to fit.

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Specs

Size	S	M	L	XL
Circumference	51-57 cm	54-60 cm	58-63 cm	60-66 cm
Fit system	BOA®	BOA®	BOA®	BOA®
Pad material	Moisture wicking pads	Moisture wicking pads	Moisture wicking pads	Moisture wicking pads
Buckle type	Standard buckle	Standard buckle	Standard buckle	Standard buckle
Includes	Crash Replacement Guarantee	Crash Replacement Guarantee	Crash Replacement Guarantee	Crash Replacement Guarantee
Weight	360g	400g	430g	435g

Sizing

Service

Reviews

More options

How to ride more safely

How to clean your bike helmet

Rally WaveCel mountain bike helmet

What is WaveCel?

Virginia Tech validation

BOA® fit system

Drop-in coverage

LockDown strap dividers

Soft helmet pads

A TIME Magazine Invention of the Year

Crash Replacement Guarantee

30-Day Unconditional Guarantee

Helmet Fit and Sizing

More options

How to ride more safely

How to clean your bike helmet

Product features

Rally WaveCel mountain bike helmet

What is WaveCel?

Virginia Tech validation

BOA® fit system

Drop-in coverage

LockDown strap dividers

Soft helmet pads

A TIME Magazine Invention of the Year

Crash Replacement Guarantee

30-Day Unconditional Guarantee

Helmet Fit and Sizing