Although Europe is home to many bike - friendly cities , America is its bicycling capital . Chicago , Illinois . Designated cycling routes are available in many major U.S. cities , like Boulder , Colorado . Other world cities , like Cape Town , are making improvements to become bike - friendly .
Although Europe is home to many bike - friendly cities , America is its bicycling capital . Designated cycling routes are available in many major U.S. cities , like Boulder , Colorado . Other world cities , like Cape Town , are making improvements to become bike - friendly .