A & J
Connection structure for a head tube and a handle securing rod of a bicycle
 A connection structure for a head tube and a handle securing rod of a bicycle, characterized in that a connection block is secured at a jacket within the head tube, and the center of the connection block is provided with a screw hole, and the head tube is mounted to the connection ring tube of the handle securing rod for the mounting of a securing element to the screw hole of the connection block, and the head tube and the handle securing rod are joined to form as a unit. 
Y Y B
Y10T Y10T B62K
additional additional inventional
Yung Hsiung
Chen