GoPro Vented Helmet Strap Mount which can be changed into

which can be changed into a female 1/4" if you remove the adapter plate

This bendable neck delivers versatile camera-angle adjustability

Just leave out the IR cut filter during installation so you can see in the dark with any IR light source

like Full HD 1080p resolution video

Google Pixel

GoPro Vented Helmet Strap Mount which can be changed intoThe GoPro Vented Helmet Strap is designed specifically for use with vented helmets. The strap allows any GoPro camera and its quick release housing to attach to the base plate, mounted on your helmet. This Vented Helmet Strap can be used as a replacement or extra strap with GoPro cameras for those with more than one helmet mount.