Pyrotect X-Large Ultra-Sport Mid Forced Air Duckbill SA2020 Carbon Helmet Mirror Mounts They have a standard 37

They have a standard 37 degree JIC style flare

(B) Top Head Diameter: 1

the SII uses Squadron optics that were designed by Baja DesignsÍ in house engineers/racers to put the light right where you need it

and Airplanes

Pyrotect X-Large Ultra-Sport Mid Forced Air Duckbill SA2020 Carbon Helmet Mirror Mounts They have a standard 37To ensure an accurate fit, please use the chart below to order your correct helmet size. Pyrotects Patented SA2020 Ultra Sport carbon helmets are unmatched by the competition. The Ultra Sport SA2020 helmets come with a unique six pad interior system which allows for resizing the helmet for a perfect fit along with corrugated ridges which allows for better heat transfer to keep you cooler and reduce fogging. The Ultra Sport helmets are vacuumed bagged