Patent ID: 6845997

Claim:
A bicycle comprising: a bicycle frame having front and rear ends: a wheel set including front and rear wheels disposed respectively on said front and rear ends of said bicycle frame: a treading unit mounted on said bicycle frame for transmitting treading power to said wheel set, a handlebar unit mounted on said bicycle frame and coupled to said front wheel to permit steering of said front wheel said handlebar unit being pivotable toward and away from said rear end of said bicycle frame; and a seat unit mounted adjustably on said bicycle frame to permit height adjustment thereof relative to said handlebar unit; wherein said handlebar unit includes: a handlebar; a frame mounting member mounted on said bicycle frame, coupled to said front wheel, and formed with a front lug unit and a rear lug unit opposite to each other in a first direction; an elongate front pivot member extending in a second direction and having a front lower section and a front upper section opposite to each other in the second direction, said front lower section being connected pivotally to said front lug unit and being pivotable about a first pivot axis transverse to the first direction, said front upper section being connected to said handlebar, said front pivot member further having a coupling part between said front lower section and said front upper section; an elongate rear pivot member extending in a third direction and having a rear lower section and a rear upper section opposite to each other in the third direction, said rear lower section being connected pivotally to said rear lug unit and being pivotable about a second pivot axis parallel to the first pivot axis; one of said coupling part of said front pivot member and said rear upper section of said rear pivot member being formed with a hole unit that has a hole axis parallel to the first and second pivot axes; the other of said coupling part of said front pivot member and said rear upper section of said rear pivot member being formed with a slot unit that extends along length of the other of said coupling part of said front pivot member and said rear upper section of said rear pivot member; and a releasable fastening unit extending through said hole unit and said slot unit and operable so as to press said coupling part of said front pivot member and said rear upper section of said rear pivot member firmly against each other, thereby enabling said rear pivot member to support said front pivot member at a desired inclination relative to said frame mounting member.