How To: Properly Adjust Fit on a New Bicycle Helmet

All those straps and buckles can be mystifying, so we put together a step by step video on dialing in your helmet fit.

To determine your helmet size, wrap a tape measure around your head just above your ears, being sure to keep it level. Check the circumference of your head with the size charts on our product pages.

Once you have the correct size helmet in your hands, place the helmet on your head.

Snug the horizontal retention system. This will usually be a dial or push tabs.

Clip chin strap under chin and make it snug but not tight, don’t worry about buckle placement.

Open the left side adjuster and adjust the webbing so it comes together under your ear with minimal to no slack.

Open the right side adjuster and adjust the webbing so it comes together under your ear with minimal to no slack.

If needed, snug the chin strap again.

Note centering orientation of the chin strap buckle.

Move the chin strap buckle towards center by snugging or loosening the appropriate webbing, and take up slack throughout, while keeping side adjusters in their same relative spot. This takes some patience, so proceed slowly.

Repeat the steps until the chin buckle is centered, side buckles are comfortably under the ear, and the webbing is snug everywhere.

Finally, adjust the helmet’s vertical position. Not all helmets have this option. Position the helmet as low on your head as possible while maintaining comfort.

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