big?
if it shifts when you shake your head or sits low on the eyebrows, it’s too big. it will be a distraction while you ride and will not protect you well during a fall.
your helmet is too small if it pops up and sits on the top of your head or causes a head ache soon after you put it on.
• the brim rests 2 fingers (about 1 inch) above your eye brows.
• the skin on your forehead and eyebrows moves with the helmet when you try to move it up and down from the brim.
• the chin strap should be snug but not tight.
• side straps should meet just 