How Do I Know What Size Bike Helmet To Buy?

by | Last updated on January 24, 2024

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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.

What size helmet do I need for a 22 inch head?

Helmet Size Hat Size Head Circumference – Inches XS 6 5/8 – 6 3/4 20 7/8 – 21 1/4 S 6 7/8 – 7 21 5/8 – 22
M


7 1/8 – 7 1/4

22 3/8 – 22 3/4
L 7 3/8 – 7 1/2 23 1/4 – 23 5/8

What age is 52 56cm helmet?

Age Head Circumference (in cm) 2 years 48 3-5 years 51 6-10 years 53
11+ years

56

What is the standard helmet size?

Helmet Size Measurement (cm) Measurement (inches) Small 51 – 55 20 – 21 21⁄32 Medium 55 – 59 21 21⁄32 – 23 7⁄32 Large 59 – 63 23 7⁄32 – 24 13⁄16 Extra Large 63 – 67 24 13⁄16 – 26 3⁄8

What size helmet is 56cm?

Model Small Large
4Forty MIPS

52 – 56cm 58 – 62cm
201⁄2” – 22′′ 227⁄8” – 241⁄2” Sixer MIPS 52 – 56cm 58 – 62cm 201⁄2” – 22′′ 227⁄8” – 241⁄2”

Are bike helmets one size fits all?

Size it up:

Lower-priced helmets are often one-size-fits all

; you simply adjust an internal strap to get the helmet snug. Higher-priced helmets are available in a range of sizes. To learn what size you need, measure your head: wrap a tape measure around your noggin just above your ears.

How do I choose a helmet?


The helmet should have a snug fit and should not wobble or try to suffocate you by being too tight

. The helmet will pop out in case of an accident if it is lose or too big. Wear it at least for 10 – 15 minutes to see how it fares for you. The strap should lock in and open up easily but not vaguely.

How do you measure a kids bike helmet?

  1. Start measuring just above the ear.
  2. Wrap the tape measure around their head, passing 1” above the eyebrows in front, above the other ear, and around the back of the head.
  3. Write down the measurement where the tape meets itself.

What size helmet is 52cm?

CIRCUMFERENCE HAT SIZE 50 cm 19-11/16” 6-1/4” 51 cm 20-1/16” 6-3/8” 52 cm

20-7/16”

6-1/2”
53 cm 20-7/8” 6-5/8”

What size is 57 58 helmet?

Motorcycle Helmet Sizing Chart Adult Size CM Hat Size Medium 57-58

7 1/8 – 7 1/4
Large 59-60 7 3/8 – 7 1/2 XLarge 61-62 7 5/8 – 7 3/4

Why does my bicycle helmet look so big?

The main reason your bicycle helmet looks too big on your head is because

your head circumference measurement was taken incorrectly

. If you don’t use a flexible tape measure and measure right above your eyebrow, the helmet sizing will be too big for your head.

Should a helmet be 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.

Do adult bike helmets come in different sizes?

How To Measure Your Head For A Bike Helmet? Getting the right size helmet is vital for safety and comfort before getting on your bike for a ride.

Helmets come in small, medium, large and X-large sizes

and correspond in CM (Centimeters).

Do cycling helmets come in different sizes?

While more affordable helmets sometimes offer a one-size-fits-all design,

many bike helmets come in a range of sizes

, which in turn helps provide a secure and comfortable fit. Some opt for a range of head diameters (for example, size 52-56cm), while others go for variations on a small/medium/large scale.

How do you size a Smith helmet?

  1. Small. 51-55cm.
  2. Medium. 55-59cm.
  3. Large. 59-63cm.
  4. X-Large. 63-67cm.
  5. Junior Helmets.
  6. Youth Small. 48-53cm.
  7. Youth Medium. 53-58cm.

Should I size up or down for helmet?


Choose the smaller size

. Make customizations as necessary, such as twisting the dial fit system, removing fit pads and/or adjusting straps. A well-fitting bike helmet should be snug, but not too tight. It should rest level on your head and should not tilt back.

How do I know if my helmet is too small?

The telltale signs of using a helmet that’s too small include

uncomfortable fit, painful pressure points, and a red forehead

. It’s important to find a helmet with a snug fit and comfort. This way, you get full protection on the road in case you get into an untoward accident.

How do I choose a helmet online?

  1. Choose a helmet style.
  2. Determine your head shape and size.
  3. Try on the helmet.
  4. Check for proper fit.
  5. Wear the helmet for about half an hour.
  6. Still feels right? Go ride!

What size is a youth bike helmet?

AGE BOY GIRL
4 YEARS


50.5 CM – 19.9 INCH


49.5 CM – 19.5 INCH
4.5 YEARS 51 CM – 20.1 INCH 50 CM – 19.7 INCH 5 YEARS 51 CM – 20.1 INCH 50 CM – 19.7 INCH 6 YEARS 52 CM – 20.5 INCH 51 CM – 20.1 INCH

How do you size a youth helmet?


Using a soft tape measure, measure the circumference of the child’s head about an inch above their eyebrows, or the thickest part of their head

. Compare this measurement to the head size range sticker found on the inside of the helmet.

How should a helmet fit on a child?

A helmet should

lie flat over the crown of the head and cover the child’s forehead without obstructing their view

. Measure one to two (adult) finger widths between the child’s eyebrows and the bottom of the helmet. Adjust universal fit ring at the base of the helmet.

Rebecca Patel
Author
Rebecca Patel
Rebecca is a beauty and style expert with over 10 years of experience in the industry. She is a licensed esthetician and has worked with top brands in the beauty industry. Rebecca is passionate about helping people feel confident and beautiful in their own skin, and she uses her expertise to create informative and helpful content that educates readers on the latest trends and techniques in the beauty world.