Bontrager Circuit WaveCel Road Bike Helmet

Overview

Circuit WaveCel Helmet Product Overview

An ultra-versatile helmet that is light, cool and sleek with the added protection of WaveCel advanced helmet technology and the convenience of magnetic light mounts.

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

Learn more

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

Our breakthrough WaveCel helmet technology was included in TIME Magazine's list of 100 Best Inventions for making the world better, smarter and even a bit more fun. Watch the video to learn more about the science behind this revolutionary helmet technology. From TIME

©2020 TIME USA LLC. All rights reserved. Used under licence

Watch the video

WaveCel is a revolutionary helmet technology designed to be more effective than traditional foam helmets in protecting against certain cycling-related accidents. Its collapsible cellular structure lines the inside of your helmet and is designed to work like a crumple zone to absorb the force of an impact before it reaches your head. Click below to learn more.

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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.

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EPS foam is made from 50% post-consumer recycled materials. Reducing the impact on your head and the environment.

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

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

Comfortable, lightweight semi-fixed strap dividers fit flat to your face on a single strap and move fore and aft to get into an ideal position under your chin.

Seamlessly-integrated accessory mounts for GoPro and Bontrager Daytime Running Lights so you decide when you want them.

Shop Daytime Running Lights

Now even more riders can experience WaveCel with the addition of XL sizing on Circuit models.

Not sure which helmet is right for you? Check out our helmet-buyer's guide to learn everything you need to know about bike helmets.

See the guide

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	310g	335g	375g	390g

Sizing

Service

Reviews

More options

How to ride more safely

How to clean your bike helmet

A TIME Magazine Invention of the Year

What is WaveCel?

Virginia Tech validation

Recycled EPS

BOA®Fit System

Soft Helmet Pads

FlatStrapSemi-Fixed Dividers

Blendr Front & Rear Magnetic Mounts

Available in XL Sizing

Helmet-buyers guide

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

A TIME Magazine Invention of the Year

What is WaveCel?

Virginia Tech validation

Recycled EPS

BOA®Fit System

Soft Helmet Pads

FlatStrapSemi-Fixed Dividers

Blendr Front & Rear Magnetic Mounts

Available in XL Sizing

Helmet-buyers guide

Crash Replacement Guarantee

30-Day Unconditional Guarantee

Helmet Fit and Sizing