What size is a 57 cm helmet?

7iDP Mountain Bike Helmets Standard Sizing

Model X-Small Medium
M1 Helmet 53 – 54cm 57 – 58cm
20.75″ – 21.25″ 22.5″ – 22.75″
Project 23 ABS 53 – 54cm 57 – 58cm
20.75″ – 21.25″ 22.5″ – 22.75″

What size is a 52 cm helmet?

20-7/16”
Fitting

CIRCUMFERENCE HELMET LETTER SIZE
52 cm 20-7/16” Youth/M
53 cm 20-7/8” Youth/M
52 cm 20-7/16” Youth Large/XLarge
53 cm 20-7/8” Youth Large/XLarge

What size helmet do I need for 56cm head?

Adult Motocross Helmet Sizing: XS (extra small) 53-54cm. SM (small) 55-56cm. MD (medium) 57-58cm. LG (large) 59-60cm.

Where is helmet size written?

Most helmet manufacturers list the head circumference prominently on the helmet packaging. You may see a size designation–small, medium or large–that correlates with a helmet sizing chart that lists head circumference measurements. Try the helmet on. Try the helmet on before purchasing to make sure it fits correctly.

How do I know if my bike helmet fits?

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 is L and M size in helmet?

The most popular way to determine helmet size is by measuring your head circumference. Although a personal helmet fitting session in the store is the best option….How to measure your head:

Size Inches Cm
S 21.7 – 22.0 in 55 – 56 cm
M 22.4 – 22.8 in 57 – 58 cm
L 23.2 – 23.6 in 59 – 60 cm
XL 24.0 – 24.4 in 61 – 62 cm