A fitness equipment , comprising: a main body supported on the ground and comprising a pedal unit ; a binding structure disposed on the main body ; and a support base detachably pivoted to the binding structure , rotatable with respect to to the main body and comprising: a seat comprising a seat back ; a handlebar disposed on the seat ; and a connecting structure disposed on the seat back of the seat and detachably connected to the binding structure ; characterized in that : the connecting structure comprises two via holes opposite and connected to each other, and further characterized in that the binding structure comprises: a first connecting plate disposed on the main body and comprising a first end through hole ; a second connecting plate disposed on the main body and comprising a second end through hole , wherein the first connecting plate and the second connecting plate are opposite to each other; and a connecting unit passing through the first end through hole of the first connecting plate , one of the via holes , the other one of the via holes and the second end through hole of the second connecting plate for connecting the connecting structure with the binding structure . a main body supported on the ground and comprising a pedal unit ; a binding structure disposed on the main body ; and a support base detachably pivoted to the binding structure , rotatable with respect to to the main body and comprising: a seat comprising a seat back ; a handlebar disposed on the seat ; and a connecting structure disposed on the seat back of the seat and detachably connected to the binding structure ; a seat comprising a seat back ; a handlebar disposed on the seat ; and a connecting structure disposed on the seat back of the seat and detachably connected to the binding structure ; characterized in that : the connecting structure comprises two via holes opposite and connected to each other, and further characterized in that the binding structure comprises: a first connecting plate disposed on the main body and comprising a first end through hole ; a second connecting plate disposed on the main body and comprising a second end through hole , wherein the first connecting plate and the second connecting plate are opposite to each other; and a connecting unit passing through the first end through hole of the first connecting plate , one of the via holes , the other one of the via holes and the second end through hole of the second connecting plate for connecting the connecting structure with the binding structure . the connecting structure comprises two via holes opposite and connected to each other, and further characterized in that the binding structure comprises: a first connecting plate disposed on the main body and comprising a first end through hole ; a second connecting plate disposed on the main body and comprising a second end through hole , wherein the first connecting plate and the second connecting plate are opposite to each other; and a connecting unit passing through the first end through hole of the first connecting plate , one of the via holes , the other one of the via holes and the second end through hole of the second connecting plate for connecting the connecting structure with the binding structure . a first connecting plate disposed on the main body and comprising a first end through hole ; a second connecting plate disposed on the main body and comprising a second end through hole , wherein the first connecting plate and the second connecting plate are opposite to each other; and a connecting unit passing through the first end through hole of the first connecting plate , one of the via holes , the other one of the via holes and the second end through hole of the second connecting plate for connecting the connecting structure with the binding structure . <EOS>