Hydraulic brake apparatus of motorcycle

The present invention provides a hydraulic brake apparatus of a motorcycle, including a main frame (41) having a pair of right and left frame members (41a,41b) extending rearward from a head pipe (42), and equipment arranged in a space between the right and left frame members (41a,41b), characterized in that at least one brake fluid pipe (30 or 31) is arranged so as to extend rearward from near the head pipe (42) along an upper surface of at least one of the frame members (41a,41b).