Details
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
Part Numbers
| Option | UPC | MPN |
|---|---|---|
| Charcoal/Black / Small | 768682342961 | 433625 |
| Charcoal/Black / Medium | 768682342985 | 433626 |
| Charcoal/Black / Large | 768682343005 | 433627 |
| Black / Blue / White / Small | 768682860809 | 501435 |
| Black / Blue / White / Medium | 768682860793 | 501436 |
| Black / Blue / White / Large | 768682860786 | 501437 |
| Black / White / Red / Small | 601479339129 | 521330 |
| Black / White / Red / Medium | 601479339617 | 521331 |
| Black / White / Red / Large | 601479339624 | 521332 |
| White/Silver / Small | 768682343029 | 433628 |
| White/Silver / Medium | 768682343043 | 433629 |
| White/Silver / Large | 768682343067 | 433630 |
| Visibility Yellow / Small | 601479339099 | 521321 |
| Visibility Yellow / Medium | 601479339556 | 521322 |
| Visibility Yellow / Large | 601479339563 | 521323 |
| Red/Black/White / Small | 768682343081 | 433631 |
| Red/Black/White / Medium | 768682343104 | 433632 |
| Red/Black/White / Large | 768682343128 | 433633 |
| Black/Vis Yellow / Small | 768682343142 | 433634 |
| Black/Vis Yellow / Medium | 768682343166 | 433635 |
| Black/Vis Yellow / Large | 768682343180 | 433636 |
