A bicycle safety wing is an arm attached to the side of a bicycle. Its purpose is to keep other vehicles from passing too closely.[1] It is usually made of brightly colored plastic, and ends with a retroreflector.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/29/Ecarteur_velo.jpg/300px-Ecarteur_velo.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Bicycle_demonstration_with_pool_noodles.jpg/220px-Bicycle_demonstration_with_pool_noodles.jpg)
Legality
editFrench law allows for bicycle safety wings up to 40 centimetres.[2]