Bontrager Circuit
  • Color: Black / White / Red
  • Color: Visibility Yellow
  • Color: Black/Vis Yellow



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Bontrager Circuit

Bontrager's Circuit is a lightweight road helmet that features massive vents for maximum airflow. It features their one-hand-adjustable Headmaster fit system, plus it has an in-mold strap retention system with FlatLock strap adjusters for a superb fit and serious safety. The premium fit pads not only give you a custom feel, they also help keep your head dry on those hot rides.

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



by PowerReviews
Option Barcode Manufacturer's Part Number Vendor Number
Black / White / Red / Small 601479339129 521330 TRK-521330
Visibility Yellow / Small 601479339099 521321 TRK-521321
Black/Vis Yellow / Small 768682343142 433634 TRK-433634

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