In April days are getting longer and spring can be felt up in the air. Humans are really often leave their houses only to be outside. They are trying some exercises like jogging or yoga on the balcony. Another ones are planning to choose a bicykle as their major mode of transportation. Do you want to be one of them but you don't have your own vehicle? Not a big deal, there are many of places where you could get one in reasonable prize, like at the internet or closest shop. Also, you may design your own bike.