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.
|Option||Barcode||Manufacturer's Part Number||Store SKU|
|Matte Black / Small (52-56 cm)||00745889800074||420670||HEL37761266K|
|Matte Black / Large (60-64 cm)||00745889800111||420672||HEL37461393K|