Louis Garneau Diamond Road Helmet is a top of the line helmet from Louis Garneau. This helmet weighs in at only 290g, featuring 40 vents while remaining CPSC-ASTM-CEN certified. This helmet has Spiderlock Elite which is a stabilizing device that lets a rider adjust the helmet to their head with a turn of a single knob.

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Features:

Weight: 10.2 oz/290 g

Certifications: CPSC-ASTM-CEN

Vents: 40

In-Mold: Industrial process binding the microshell and the EPS together to add superior mechanical properties to these materials

Super MSB: Acts like an internal fram while protecting the base of the helmet

Steploock: Cam locking device to quickly adjust strap position

Ergobuckle: Ergonomic quick-release helmet fastener providing superior neck comfort

Airdry Fusion: Fusion adjustment padding for better comfort. Antibacterial Washable

Evacutation Channels: Moisture channels providing better airflow and wicking moisture away

Carbon Reinforced Bridge: Composite frame to reinforce helmet's bridges

Spiderlock Elite: Helmet stabilizing device in built-in adjustable receptacle. Rack-and-pinion mechanism for quick and accurate adjustement using only one hand, Anti-slip dial. Ergonomic foam padding for optimum comfort.

Sizing: Small: 20 1/2-22'' / 52-56 cm Medium: 22-23 3/4'' / 56-59 cm Large: 23 1/4-24 3/8'' / 59-62 cm