Bicycles are a great mode of transportation in many areas. These vehicles are virtually free to operate once they are purchased or acquired, without any fuel costs or expensive maintenance tasks. Bicycles are also very friendly to the environment and they do not pollute in any way. In some cities bicycles are much easier to use than cars, and bikes can maneuver around traffic jams and congested areas. These vehicles may not be a great choice n icy or snowy conditions though, so their use in some areas of the USA and world are limited.