To attach a bicycle handle at a location that prevents the same from being bent by using a method that prevents the same from being bent, to attach a roof/umbrella at a safe location, and also, to attach an auxiliary tool for supporting the body balance to a bicycle in order to solve the problem that a handle is bent when a bicycle falls down or the like, countermeasures against rain and sunshine are necessary, and an auxiliary tool for supporting the body balance when suddenly braking a bicycle is required.

A tricycle is so configured that a fork post 1 is freely rotatably provided to a head pipe 3, attached at the front end of a body frame 2, so as not to protrude from the upper end of the head pipe 3, and that one handle 8 or two handles 18 are attached between the lower end of the fork post 1 and a connector 5 of a fork 6, a roof support 16, a body-rest support 17 attached at the upper end 7 of the head pipe 3, a roof 13 attached to the roof support 16, and a body rest 12 attached to the body-rest support 17.