I had the Oi for two years. the worse money I have never spent on bike stuff. Design without a meaning. Can't scary an ant.
However, I see many bikers (especially messengers or "wanna-be-messenger") with a whistle in their mouths. Works pretty good, I believe.
In the road bike I do use the HideMyBell as I currently place the camera/GPS on it as well.
@Albb started
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I had the Oi for two years.
the worse money I have never spent on bike stuff.
Design without a meaning.
Can't scary an ant.
However, I see many bikers (especially messengers or "wanna-be-messenger") with a whistle in their mouths. Works pretty good, I believe.
In the road bike I do use the HideMyBell as I currently place the camera/GPS on it as well.