# Quick Answer: What size is a small bike helmet?

Contents

Small: 20″–21.75″ (51cm–55cm) Medium: 21.75″–23.25″ (55cm–59cm)

## What size is a small helmet?

What size is a small helmet? In general, a size small helmet measures 55 – 56 cm or 21 ⅝ – 22 in inches. In terms of hat size, a small helmet is a size 6 ⅞ – 7.

## How do I know my bike helmet size?

Take a soft measuring tape and wrap it around your head about one inch above your eyebrows and ears. Make sure the tape is level. Most helmets are measured in centimeters, so measure your head in centimeters if you can. In case you don’t have a centimeter tape, the conversion ratio is 1 inch = 2.54 cm.

## How do you measure a kids bike 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.

## What size is a youth small helmet?

Fitting

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CIRCUMFERENCE HELMET LETTER SIZE
51 cm 20-1/16” Youth/S
50 cm 19-11/16” Youth Small/Medium
51 cm 20-1/16” Youth Small/Medium
52 cm 20-7/16” Youth/M

## What size helmet is 57cm?

Dissident/Dissient Comp

Helmet Size Cir. (in) Cir. (cm)
Small 21.25″-21.75″ 54-55cm
Medium 22″-22.5″ 56-57cm
Large 22.5″-23.25″ 58-59cm
X Large 23.5″-24.25″ 60-62cm

## What size helmet do I need for a 20 inch head?

Helmet Size Chart for HJC, Bell & KLIM

Helmet Size Hat Size Head Circumference – Inches
XS 6 5/8 – 6 3/4 20 1/2 – 20 7/8
S 6 15/16 – 7 3/16 21 1/4 – 21 11/16
M 7 1/4 – 7 3/8 22 1/16 – 22 7/16
L 7 1/2 – 7 5/8 22 13/16 – 23 1/4

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

A good-fitting helmet should be snug but not annoyingly tight. It should sit level on your head (not tilted back) with the front edge one inch or less above your eyebrows so that your forehead is protected. Push the helmet from side to side and back to front.

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

Your helmet is too small if you feel pressure on your head, especially at the wider extremities or where the inner liner snap buttons are. Wearing a helmet that’s too small will give you a headache (from the pressure on the skin/skull) within minutes.

## How tight should a helmet fit?

The key to a helmet doing what it is designed to do is how it fits. A motorcycle helmet should fit snug without minimal play when firmly twisting the helmet from side to side, and up and down. … A helmet that fits too tight may cause pressure points, feel uncomfortable, and be extremely difficult to put on or take off.

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## What size helmet does a 3 year old need?

Step 1: Make sure the helmet is the right size.

12 months 46
2 years 48
3-5 years 51
6-10 years 53

## How should a helmet fit a child?

The helmet should sit LOW on your forehead. There should only be one or two finger-widths above your eyebrow. Your child should be able to look upward and see the front rim of your bicycle helmet on your own head. The left and right side straps should form a “Y” and meet right below your ear.

## What age does a youth small helmet fit?

NOTE: Youth helmets are not recommended for children younger than 5 years old.

## How do I know my helmet shape?

When trying on a helmet, take note of any pressure points on your forehead—a sign that the helmet is too round. Pressure points on the sides of your head indicate a helmet is too oval for the shape of your head.

## Are all helmets the same size?

All helmet manufacturers design their lids to fit a specific head shape. These often range across three primary designations – long oval, intermediate oval, and round oval. Long Oval – Shaped for a head which is longer front-to-back (from forehead to the back of the skull) than it is side-to-side (ear to ear).