The application of bicycles is characterized by containing many information on hens of all kinds and pictures of bicycle shapes. This application is intended for bicycle enthusiasts and athletes, as the application explains about mountain bikes and information about them in detail and lovers of bicycles on dirt roads and talks about racing bikes and the first race held And in what year and place of the race, specifications of racing bikes, pictures of racing bikes, very beautiful pictures, in addition to bmx bikes, their shapes and specifications, as the application provides a detailed explanation about them, and the best feature in the application is that its content is updated from time to time