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Middlesex-London Health Unit

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How to Fit a Bicycle Helmet

Do you know how to fit a bicycle helmet? A properly fitted bicycle helmet (PDF 224KB) is important to make sure both children and adults stay safe while cycling.


2 V 1

  • 2 Fingers above your eyebrow to the bottom of your helmet.
  • 4 Fingers to make a “V” Shape around the bottom of your ears.
  • 1 Finger under the strap beneath your chin.1

Helmets on Kids

Helmets on Kids is a community based partnership with like-minded agencies and individuals interested in raising awareness of the risks associated with not wearing a helmet when cycling. The 2V1 campaign was developed through this partnership in an effort to educate the community about wearing a helmet and proper helmet fitting.


Know Your Helmet Salute

Cartoon image of child putting on helmet

View, download and print (PDF 224KB)

Date of creation: February 28, 2013
Last modified on: April 22, 2015


1Middlesex-London Health Unit. (2012) Know your helmet salute. [Brochure]. London, Ontario: Middlesex-London Health Unit
2Mlhealthunit. (2012, October 4). Helmets on Kids- How to fit a bicycle helmet [Video file]. Retrieved from
3SafeKidsCanada. (2012, June 12). Bike Helmet Fit [Video file]. Retrieved from