Quick Answer: How To Measure Bike Helmet Size?

How do I know my bike helmet size?

To find the right size bike helmet, start by measuring your head circumference because helmet sizing is based on that. To find your head circumference, wrap a flexible tape measure around the largest portion of your head—about one inch above your eyebrows.

How tight should a bike helmet fit?

The helmet should sit level on your head and low on your forehead— one or two finger-widths above your eyebrow. Side Straps: Adjust the slider on both straps to form a “V” shape under, and slightly in front of, the ears. Tighten the strap until it is snug, so that no more than one or two fingers fit under the strap.

How do I know if my bike helmet is too small?

Check the Fit

  1. The helmet must be level on your head.
  2. The front edge should be no more than an inch or so above your eyebrows.
  3. The strap should fit closely under your chin.
  4. Straps should meet just below your jaw and in front of your ears, forming a V under your earlobes.

Do bike helmets expire?

The government testing body in the US, the Consumer Product Safety Commission (CPSC), recommends replacing a bicycle helmet every five to 10 years. And many manufacturers tell you to get rid of your helmet after as little as three years.

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Can a bike helmet be too tight?

According to industry experts, a helmet should be comfortably snug around the entire wearer’s head without resulting in pressure points. It shouldn’t have any up and down or side to side movements during the ride. It shouldn’t be too tight, but it shouldn’t be loose either.

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