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Bontrager Circuit
  • Color: Charcoal/Black
  • Color: Black / Blue / White
  • Color: Black / White / Red
  • Color: White/Silver
  • Color: Visibility Yellow
  • Color: Red/Black/White
  • 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 Store SKU
Charcoal/Black / Small 00768682342961 433625 HEL4038647K
Black / Blue / White / Small 00768682860809 501435 HEL31779143E
Black / Blue / White / Medium 00768682860793 501436 HEL32418741E
Black / White / Red / Small 00601479339129 521330 HEL44343529C
Visibility Yellow / Small 00601479339099 521321 HEL47636795C
Visibility Yellow / Medium 00601479339556 521322 HEL48715215C
Visibility Yellow / Large 00601479339563 521323 HEL47615920C
Red/Black/White / Small 00768682343081 433631
Red/Black/White / Medium 00768682343104 433632 HEL41254905E
Black/Vis Yellow / Small 00768682343142 433634 HEL37868272N
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