Bontrager's Circuit WSD 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-fit feel, they also help keep your head dry on those hot rides.
|Option||Barcode||Manufacturer's Part Number|
|Silver/Mint / Small (52-56 cm)||745889800258||420678|
|Silver/Mint / Medium (56-60 cm)||745889800272||420679|
|Black/Light Blue / Small (52-56 cm)||745889800296||420680|
|Black/Light Blue / Medium (56-60 cm)||745889800319||420681|