Bontrager Circuit
  • Color: Silver/White
  • Color: Matte Black
  • Color: Gray/Red/White
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Bontrager's Circuit is a lightweight road helmet that features 21 vents for maximum airflow. It features their one-hand-adjustable Zip-Tite fit system, plus it has an in-molded strap retention system with LockDown strap adjusters for a superb fit and top-notch safety. The premium fit pads not only give you a custom feel, they also help keep your head dry on those hot rides.

- Small = 52-56cm
- Medium = 56-60cm
- Large = 60-64cm

Part Numbers

Option UPC MPN
Silver/White / Small 745889800197 420676
Silver/White / Medium 745889800371 420682
Silver/White / Large 745889800210 420677
Matte Black / Small 745889800074 420670
Matte Black / Medium 745889800098 420671
Matte Black / Large 745889800111 420672


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