Rise up the ranks of the group ride and feel confident leading more turns in Trek's 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.

Key features

- Equipped with MIPS Brain Protection System
- In-mold composite skeleton increases helmet integrity and larger vent variations
- Intuitive, one-handed Headmaster fit system adjusts height and circumference
- Soft, comfortable, moisture-wicking, and washable helmet pads
- LockDown dividers make helmet strap management clean looking and easy to adjust
- Internal, recessed channels manage airflow through the helmet and over the head
- Design allows for compatibility and easy installation of Bontrager NeoVisor

- Small = 51-57cm
- Medium = 54-60cm
- Large = 58-63cm