How tight should a bicycle helmet be?

"The bicycle helmet shouldn't be too tight or too loose to ensure optimal safety. It should be possible to put one finger between the straps and your head."

This was helpful (31)

leo d'haese 11-02-2024
pedelec 2.0 abus fietshelm
Looking for manual to replace battery.

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Ineke 18-03-2024
Abus Urban1 3,0 Ace
Good afternoon, I am looking for a manual to charge the light in my helmet. The USB port is hidden behind a kind of tie-rap strap on the inside of the helmet. This is not stated in the supplied Abus manual. I like to hear it

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