Patent - Stem for bicycle

The present invention relates to a stem for a bicycle and, in order to simplify a coupling method for fixating a steering shaft with a handlebar and guarantee the assembling is easy and the structure is lightweight, includes a handlebar fixating unit forming a handlebar housing hole, through which the handlebar is penetrated, on one side of a body of the stem, forming a cutted part on one side of the handlebar housing hole, opened and closed by a coupling member and granting an elastic hinge function to the other side of the handlebar housing hole; and a steering shaft fixating unit forming a steering shaft housing hole, into which a steering shaft is inserted and fixated, on the other side of the body of the stem and arranging a cover body separated to an upper side of the steering shaft housing hole to fixate the steering shaft inserted into the steering shaft housing hole