The CIO bike light fits all the bikes we have been testing so far. From our point of view the mounting and function of the CIO bike light can be problematic on a 16 inch bike or on bikes with low angled seat stays, therefore, we do not recommend to put CIO on a those kinds of bikes. However, since the bike light has to be mounted on the fork and seat stay, and because there are various types of bikes, some difficulty on some bikes can occur. If the bike light does not fit your bike upon arrival we will make a refund.
The bike light is designed to be mounted on the left side of the bike, which functions best in countries with right hand traffic, since the light then is closer to traffic.
If you should be in a country with left hand traffic the light can still be seen through the spokes.
The light can be mounted upside down on the right side but it will result in a light that points up a bit due to the angle on the lens. Alternatively you can swap the front and rear light PCB's which only requires a small phillips screwdriver. A guide for both options will be put up shortly.
You will have to check the legal requirements on bike lights in your specific country to see if the CIO bike lights are allowed. In some countries a flashing bike light, like CIO, is not legal to use on its own. However, the CIO bike light can always be used in connection with another bike light that is steady and thereby heighten the safety of the cyclist.
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