Rise up the ranks of the group ride and feel confident leading more turns in our Circuit MIPS road helmet. Developed by brain surgeons and scientists, Multi-directional Impact Protection System (MIPS) technology helps reduce rotational forces on the brain caused by angled impacts to the head.
MIPS Brain Protection System
Blendr mount system easily integrates GoPro camera and Bontrager lights accessories
The Boa® System lets riders easily secure and adjust helmet fit with one hand
In-mold composite skeleton increases helmet integrity for larger vent variations
AgION antimicrobial pads wick moisture and completely eliminate odors naturally
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 a free helmet replacement if involved in a crash within the first year of ownership
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The charts below are a great starting point to find the right size Bontrager clothing for you. Measurements reflect the actual body circumference and not the product's measurements. Stop by your local CG Store to try something on!