SHRED. LuminaryMountain Bike Helmet Size Chart
|Head Circumference||20 ¾ - 22 ½||22 ½ - 24|
|Head Circumference||53-57 cm||57-61 cm|
Use a tape measure to find your head circumference. You should measure from the mid of the forehead above the ears to the back of the head.
NOT THE RIGHT SIZE OR COLOR?
No problem, we offer free size exchanges for 100 days and we have free return service on all orders.