Ultra-versatile helmet that is light, cool, and sleek with the added protection of MIPS and the convenience of magnetic light mounts.
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If you could only buy one helmet, buy this one
Whether your finish line is on the race course or at the front door of your destination the Bontrager Circuit MIPS road helmet will deliver the performance you need. It's equipped with all the best features, like MIPS brain protection system, BOA® Fit SystemBoa fit system for superior comfort and security, and the Blendr mount system for light and camera integration.
MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientist to help reduce rotational forces on the brain caused by angled impacts to the head.
Product details
MIPS Brain Protection System
Blendr mount system easily integrates GoPro camera and Bontrager light accessories only
BOA® Fit System lets you easily secure and adjust helmet fit with one hand
In-mold composite skeleton increases helmet integrity for larger vents and increased airflow
LockDown dividers make helmet strap management clean and are easy to adjust
Internal, recessed channels move airflow over your head to stay cool and dry
Crash Replacement Guarantee provides free helmet replacement if involved in a crash within the first year of ownership
Circuit MIPS Helmet Product Overview
Ultra-versatile helmet that is light, cool and sleek with the added protection of MIPS and the convenience of magnetic light mounts.
Created through years of research, MIPS is designed to accentuate the brain’s own ability to protect itself and can provide better protection from angled impacts.
$1 from the sale of every Bontrager helmet supports PeopleForBikes, which provides guidance, a rating system, a leadership conference, and professional support for transforming cities throughout the United States in the ongoing effort of becoming a bicycle friendly nation.
If for any reason you're not satisfied with a Bontrager 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.
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.
$1 from the sale of every Bontrager helmet supports PeopleForBikes, which provides guidance, a rating system, a leadership conference, and professional support for transforming cities throughout the United States in the ongoing effort of becoming a bicycle friendly nation.
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.
Crash Replacement Guarantee, Blendr front and rear mount
Crash Replacement Guarantee, Blendr front and rear mount
Crash Replacement Guarantee, Blendr front and rear mount
Weight
277g
300g
330g
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Weights are based off Trek pre-production products at time of publication. Weights may vary in final production.
