Since most of the existing The bike mounted with a pair of front wheels or tricycles simply have two wheels as a function to prevent fall or to load goods, such products give a strong impression that they are the "special bikes" only for those who cannot ride a bicycle rather than for general public.

In other words, they cannot be selected as the public bicycles because they are not appealing to the general public due to their image of the special bikes.

In contrast, Diana Bike's The bike mounted with a pair of front wheels is entitled to be a public bicycle because it has all the functions as mentioned above and gives an impression that anyone including the general public can enjoy.

Diana Bike's The bike mounted with a pair of front wheels has been developed focusing on the feature of the bike from the beginning that anyone can ride while keeping the function of the traditional bicycle.

In addition, it has strong merits that the elderly as well as young people can ride because it does not fall due to its capability of an agile response to the sudden rotation, and it is so easy to operate that even those who are lack of the sense of balance and could not use bicycles can learn how to ride this The bike mounted with a pair of front wheels in just a few minutes.